| Walter H. Aldridge, New York Alpha 1887 | former president, Texas Gulf Sulfur Co. |
| Paul A. Allaire, Massachussetts Alpha '60 | president (1986-2000 ), CEO (1990-2001 ), and chairman (-2001), Xerox Corporation |
| Gilbert F. Amelio, Georgia Alpha '65 | president and CEO (1991-96 ), National Semiconductor Corporation; CEO (1996-97), Apple; CEO (2006-) Acquicor Technology |
| Othmar H. Ammann, New York Epsilon '02 | great bridge engineer, "father of modern bridges" |
| William A. Anders, Ohio Eta '62 | chairman and CEO (1991- ), General Dynamics Corporation, ambassador to Norway (1976-77), and chairman (1975-76) Nuclear Regulatory Commission |
| Charles G. Armstrong, Indiana Alpha '64 | president (1983-89) and COO (1992 - ) of the Seattle Mariners |
| J. Leland Atwood, Texas Alpha '28 | former president and chairman, North American Aviation Co. and president (1967-70) and CEO, North American Rockwell Corp. Orginated the design concept of the P-51 Mustang Fighter.. |
| Norman R. Augustine, New Jersey Delta '57 | president (1986-95) and CEO (1988-95), Martin Marietta Corp.; president and CEO, Lockheed Martin Corp. (1995- ) |
| Albert L. Babb, Washington Alpha '48 | developed first artificial kidney machine, a miniature wearable insulin pump, and a system which gives continuous treatment of blood to those with sickle cell anemia and auto-immune disease |
| James W. Bagley, Mississippi Alpha '61 | chairman, (1998-) and CEO (1997-), Lam Research Corporation |
| John D. Baker, Indiana Alpha '39 | former president and CEO, General Motors of Canada, Ltd. |
| Allan P. Bakke, Minnesota Alpha '63 | admitted to medical school after a 5-4 Supreme Court decision regarding racial quotas |
| Dr. William F. Ballhaus, California Gamma '40 | president, Beckman Instruments, Inc. (1965- ) |
| Warren L. Batts, Georgia Alpha '61 | CEO (1986- ), Premark International, Inc. |
| Stephen D. Bechtel Jr., Indiana Alpha '46 | chairman (1965-90), Bechtel Group, Inc.; member of six U.S. presidential committees |
| Jeffrey P. Bezos, New Jersey Delta '86 | founder of Amazon.com |
| Robert P. Berkowitz, Rhode Island Beta '59 | founded Prime Computer |
| Michael J. Birck, Indiana Alpha '61 | Co-founder (1975), CEO (1975-2000 & 2002-04) president (1975-2000), & Chairman (2000-), Tellabs |
| Michael R. Bloomberg, Maryland Alpha '64 | president, Bloomberg Limited Partnership; mayor of New York (2001-) |
| Edward J. Bock, Iowa Alpha '38 | chairman, Monsanto Co. |
| Dr. Samuel W. Bodman, New York Delta '61 | CEO and president, Cabot Corporation (1987- ) |
| Dr. Robert E. Boni, Ohio Beta '51 | CEO, Armco, Inc. (1985- ) |
| Charles G. Boone, Illinois Alpha '06 | held 153 patents on hydraulic oil field equipment |
| Dr. Amar G. Bose, Massachusetts Beta '52 | founder, Bose Corporation |
| James L. Broadhead, New York Delta '58 | CEO (1989- ), FPL Group, Inc. |
| D. Allen Bromley, Connecticut Alpha '48 | chief science and technology advisor to President George H. W. Bush |
| J. Fred Bucy Jr., Texas Beta '51 | president (1976-85) and CEO (1984-85), Texas Instruments Inc. |
| Howard S. Bunn, Pennsylvania Alpha '22 | former president, Union Carbide Corp. |
| Charles F. Burgess, Wisconsin Alpha 1895 | internationally known chemical engineer; founder of several corporations |
| Donald C. Burnham, Indiana Alpha '36 | former board chairman and CEO, Westinghouse Electric Co. |
| Theodore A. Burtis, Pennsylvania Gamma '42 | board chairman and CEO, Sun Company, Inc. |
| D. Gelasio B.A. Caetani, New York Alpha 1901 | Italian prince; delegate to Paris Peace Conference (1919); mayor of Rome (1920); ambassador to U.S. (1923-24) |
| Robert K. Campbell, Illinois Alpha '52 | CEO (1979-90), Pennsylvania Power & Light Company |
| J. Rodney Canion, Texas Epsilon '66 | co-founder Compaq Computer Corporation |
| Frank R. Capra, California Beta '18 | film director (1897-1991) |
| Maurice L. Carr, Illinois Alpha 1905 | founded Eta Kappa Nu in 1904 |
| Colby H. Chandler, Maine Alpha '50 | president (1977-83) and CEO (1983-91), Eastman Kodak Company |
| John S. Chen, Rhode Island '78 | CEO (1998-) and president (1997-), Sybase |
| Lewis W. Chubb, Ohio Gamma 1905 | inventor with more than 150 patents; former director, Westinghouse Research Laboratory |
| Walker L. Cisler, New York Delta '22 | former president and board chairman, Detroit Edison Co. |
| A. James Clark, Maryland Beta '50 | president and chairman, Clark Construction Group |
| Richard J. Coar, Massachussetts Delta '42 | president, Pratt & Whitney Group, United Technologies Corp. |
| Edward Cohen, New York Alpha '45 | CEO, Amman & Whitney Consulting Engineers |
| Edward N. Cole, Michigan Gamma '52 | former president, General Motors Corp. |
| Philip M. Condit, California Alpha '63 | president (1992-2003), CEO (1996-2003), and chairman (1997-2003), The Boeing Company |
| C.W. Cook, Texas Alpha '30 | former president and board chairman General Foods Corp. |
| Cleo F. Craig, Missouri Alpha '13 | president (1915-56) and board chairman (1956-61), AT&T Co. |
| Seymour R. Cray, Minnesota Alpha '49 | founder, CEO (1972-80), and board chairman (1972-81), Cray Research, Inc.; founder and president, Cray Computer Corp. |
| A. Scott Crossfield, Washington Alpha '49 | first to fly at more than twice the speed of sound; firstpilot of X-15 |
| Lester Crown, Illinois Gamma '46 | former president and chairman, General Dynamics |
| Trent R. Dames, California Beta '33 | co-founder (1938), Dames & Moore, Inc. |
| Edward E. David Jr., Georgia Alpha '45 | presidential science advisor for President Nixon (1970-72) |
| Melvin DeGroote, Ohio Gamma '15 | TBP Fellowship Fund Trustee (1930-63); held 925 patents (No. 2 of all time per TIME magazine in 2000), most in the chemical treatment of crude oil |
| Jacob P. DenHartog, Massachussetts Gamma '24 | world authority on mechanical vibrations |
| Dr. Ray M. Dolby, California Gamma '57 | founder and chairman (1965- ), Dolby Laboratories |
| William C. Douce, Kansas Alpha '42 | president(1974-85), CEO(1980-85), and chairman(1982-85), Phillips Petroleum Co. |
| Dr. Terry D. Douglass, Tennessee Alpha '65 | founding president (1983-2003), CEO (-2003), and chairman of CTI Molecular Imaging |
| Willard H. Dow, Michigan Gamma '19 | president (1930-49), Dow Chemical Co. |
| Lee A. DuBridge, California Beta '22 | presidential science advisor for President Nixon |
| C. Martin Duke, California Alpha '39 | father of lifeline earthquake engineering |
| William S. Edgerly, Massachussetts Beta '49 | CEO (1975- ), State Street Boston Corporation |
| Clarence M. Eidt Jr., Louisiana Alpha '56 | president (1994- ), Exxon Research & Engineering Co. |
| Charles A. Ellis, Indiana Alpha 1900 | designer of the Golden Gate Bridge |
| Dr. William B. Ellis, Pennsylvania Gamma '62 | CEO (1983- ), Northeast Utilities |
| E.M. Estes, Ohio Beta '40 | former president, General Motors Corp. |
| Robert R. Everett, North Carolina Gamma '42 | president and CEO (1969-88), The MITRE Corporation |
| William L. Everitt, New York Delta '21 | former president of the E.C.P.D., editor of electrical engineering textbook series |
| Charles L. Faust, Missouri Gamma '30 | held 135 electrochemical patents |
| Sherwood L. Fawcett, Ohio Gamma '41 | board chairman, Battelle Memorial Institute |
| Thomas J. Feehan, Louisiana Beta '44 | former president and chairman, Brown & Root, Inc. |
| Antonio Ferri, New York Zeta '34 | directed development of the world's first jet aircraft |
| David R. Filo, Louisiana Beta '88 | co-founder (1996), Yahoo! |
| Colin G. Fink, New York Alpha '03 | originator of drawn tungston filament, chromium plating process, and processes for tin and copper refining |
| Robert E. Fischell, North Carolina Gamma '51 | named by Discover Magazine as one of six revolutionaries who changed the world; holds 200 patents; invented implantable cardiac defibrillator; chairman of Fischell Biomedical, LLC |
| Dr. George M.C. Fisher, Illinois Alpha '62 | president (1988-90), CEO (1988-93), and chairman (1990-93), Motorola Inc. President (-2001), CEO, and chairman (1993-2000), Eastman Kodak Co. |
| James B. Fisk, Massachussetts Beta '31 | president (1958-74) and board chairman (1973-74), Bell Telephone Laboratories |
| Samuel C. Florman, New York Alpha '44 | author of four books and more than 200 articles about the relationship of technology to the general culture |
| James J. Forese, New York Gamma '57 | president & CEO (1998-2002), Ikon |
| Robert J. Frankenberg, California Eta '74 | president and CEO (1994- ), Novell, Inc. |
| Donald N. Frey, Michigan Gamma '47 | designed original Ford Mustang, former president, Ford Motor Co.; president (1968-71), General Cable Corp.; president, CEO, and board chairman (1971- ), Bell & Howell Co. |
| David P. Friedley, New York Delta '62 | president and CEO, Tektronix, Inc. (1987-91) |
| Dr. Norman E. Friedmann, California Epsilon '50 | president, CEO, and chairman, Daisy/Cadnetix, Inc. |
| H. Laurance Fuller, New York Delta '61 | president, board chairman, and CEO (1991- ), Amoco Corp. |
| S. Marcelene Fuller, Alabama Beta '82 | president (1999-), CEO (1999-), and chairman (1999), Mirant |
| C.J. Gauthier, Illinois Alpha '43 | chairman and CEO(19 -86), Northern Illinois Gas Co. |
| Joseph G. Gavin Jr., Massachusetts Beta '41 | former president & COO, Grumman Corporation; leader of design & production of Apollo Lunar Module |
| William W. George, Georgia Alpha '64 | CEO (1991-2001) & president and COO (1989-91, Medtronic |
| Kenneth A. Gibson, New Jersey Gamma '63 | mayor of Newark (1970-86) |
| Raymond V. Gilmartin, New York Mu '63 | president (19 -94) and CEO (1989-94), Becton-Dickinson & Co.; chairman and CEO (1994-2005 ), Merck & Co. |
| Tom M. Girdler, Pennsylvania Alpha 1901 | former president and board chairman, Republic Steel Co. |
| Roberto C. Giozueta, Connecticut Alpha '53 | CEO (1981-97), The Coca-Cola Company |
| Bernard M. Gordon, Massachussetts Beta '48 | founder and chairman, Analogic Corp. |
| John F. Gordon, Michigan Gamma '22 | former president, General Motors Corp. |
| Robert W. Gore, Delaware Alpha '59 | invented a new form of PTFE known as Gore-Tex®; president (1976-2000) and chairman (2000- ), W.L. Gore & Associates, Inc. |
| Wilbert L. Gore, Delaware Alpha '32 | founder, W.L. Gore & Associates, Inc. |
| Eugene G. Grace, Pennsylvania Alpha 1899 | former president, Bethlehem Steel Corp. |
| David W. Grainger, Wisconsin Alpha '50 | CEO (1974- ), W.W. Grainger, Inc. |
| Maurice F. Granville, Texas Alpha '37 | former chairman and CEO, Texaco, Inc. |
| Harry J. Gray Jr., Pennsylvania Delta '44 | board chairman, United Technologies Corp. |
| Crawford H. Greenewalt, Delaware Alpha '22 | former president and board chairman, EI du Pont de Nemours and Co. |
| Patrick W. Gross, New York Gamma '65 | co-founder (1970) & CEO (1970-2001), American Management Systems |
| Dr. Andrew S. Grove, New York Eta '60 | president (1979-97), CEO(1987-97), chairman (1997-2005), Intel |
| Leroy R. Grumman, New York Delta '16 | founder of Grumman Aircraft Engineering Corp. |
| Willard Hackerman, Maryland Alpha '38 | president (1955- ), The Whiting-Turner Contracting Company |
| Ronald W. Haddock, Indiana Alpha '63 | CEO (1989- ), American Petrofina, Inc. |
| Patrick E. Haggerty, Wisconsin Beta '36 | former president and board chairman, Texas Instruments, Inc.; member President Nixon's science advisory committee |
| Michael L. Haider, California Gamma '27 | former board chairman, Standard Oil of New Jersey |
| Neil V. Hakala, Michigan Beta '39 | former president, Esso Research & Engineering Co. |
| Michel T. Halbouty, Texas Delta '30 | one of world's leading geoscientists; energy advisor to President Reagan |
| John R. Hall, Tennessee Beta '55 | chairman and CEO, Ashland Oil Co. |
| John H. Hammond, Maryland Beta 1876 | internationally famous mining engineer |
| J.R. Hardesty, Virginia Beta 1900 | designer of the U.S. bullion depository, Fort Knox, Kentucky |
| John D. Harper, Tennessee Alpha '33 | former president and board chairman, Aluminum Company of America |
| Cyril M. Harris, New York Alpha '38 | acoustical designer of more than 100 concert halls and auditoriums including the N.Y. Metropolitan Opera House and the Kennedy Center for the Performing Arts |
| Elmer B. Harris, Alabama Alpha '62 | president, Alabama Power Company |
| Robert C. Hart, Kentucky Beta '47 | president Tennessee Eastman Co. and Holston Defense Corporation |
| John T. Hartley, Alabama Alpha '55 | CEO (1986- ), Harris Corporation |
| Arthur Hauspurg, New York Alpha '45 | CEO (1981-90), Consolidated Edison Company of New York, Inc. |
| George H. Heilmeier, Pennsylvania Delta '58 | president and CEO (1991- ), Bell Communications Research, Inc. |
| Roger R. Hemminghaus, Alabama Alpha '58 | CEO (1987- ), Diamond Shamrock, Inc. |
| John M. Henske, Connecticut Alpha '45 | president (1973-87?) and chairman & CEO (1980-87), Olin Corporation |
| Julian W. Hill, Missouri Gamma '24 | inventor of nylon |
| Andrew H. Hines Jr., Florida Alpha '47 | CEO (1981- ), Florida Progress |
| Dr. Orion L. Hoch, Pennsylvania Gamma '52 | CEO (1987- ), Litton Industries, Inc. |
| Frederic A.L. Holloway, Georgia Alpha '35 | TBP Fellow; former president, Esso Research & Engineering Co. |
| Edwin C. Holmer, New York Gamma '42 | vice president Exxon Corp., president (1976-86), Exxon Chemical Co. |
| D. Brainerd Holmes, New York Delta '43 | president (1975-86), Raytheon Company |
| Dr. Barry M. Horowitz, New York Eta '65 | president and CEO, The MITRE Corporation |
| George W. Housner, California Beta '33 | father of earthquake engineering |
| Jen-Hsun Huang, Oregon Alpha '84 | co-founder (1993), president (1993- ), and CEO (1993- ), NVIDIA Corporation |
| Alfred Iddles, Michigan Alpha '12 | former president, Babcock & Wilcox Co. |
| Lido A. Iacocca, Pennsylvania Alpha '45 | president (1970-78), Ford Motor Co.; president and CEO (1978-89), Chrylser Corp. |
| Dr. Irwin M. Jacobs, New York Delta '56 | co-founder, chairman, and CEO(1985-2005 ), Qualcomm, Inc. |
| Dr. Paul E. Jacobs, California Alpha '84 | CEO(2005- ), Qualcomm, Inc. |
| Allen F. Jacobson, Iowa Alpha '47 | board chairman and CEO (1986-91?), 3M. |
| Frank B. Jewett, California Beta 1898 | president (1925-40), Bell Telephone Laboratories; president (1939-47), National Academy of Sciences |
| Burton K. Johnson, Illinois Alpha '28 | won the Prix de Rome in architecture in 1929 |
| Charles F. Jones, Texas Alpha '33 | president (1965-72), Humble Oil Co. (Exxon USA) |
| J. Erik Jonsson, Indiana Beta '22 | former mayor of Dallas and president, Texas Instruments |
| Jerry R. Junkins, Iowa Alpha '59 | president and CEO (1985-96), chairman (1988-96), Texas Instruments Inc. |
| Frederick R. Kappel, Minnesota Alpha '24 | president (1956-61) and board chairman, AT&T Co. |
| Fred Kayne, Massachussetts Beta '60 | CEO (1988- ), Far West Financial Corporation. |
| Joseph F. Keithley, Massachussetts Beta '37 | founder & former chairman, Keithley Instruments, Inc. |
| Mervin J. Kelly, Missouri Beta '14 | president (1951-58) and board chairman (1958-59), Bell Telephone Laboratories. |
| Fazlur R. Khan, Illinois Alpha '50 | developer of "tube framing" concept for skyscrapers and structural engineer for the Sears Tower (former world's tallest building). |
| James R. Killian Jr., Massachussetts Beta '26 | nation's first full-time presidential science advisor. |
| Jeong H. Kim, Maryland Alpha '83 | president, Bell Labs, Lucent Technologies, Inc. (2005 - ). |
| Augustus B. Kinzel, Maryland Beta '19 | former president, National Academy of Engineering and Salk Institute for Biological Studies. |
| Paul W. Klipsch, California Gamma '26 | pioneer in audio engineering. |
| Semon E. Knudsen, Michigan Gamma '36 | former president, Ford Motor Co. |
| William I. Koch, Massachusetts Beta '62 | founder, owner, and president, the Oxbow Group; won the 1992 America's Cup |
| Omid R. Kordestani, California Eta '84 | senior VP, Google; named in May 8, 2006, as one of Time Magazine's "100 People who shape our world" |
| William B. Kouwenhoven, Maryland Alpha '1906 | developed the closed-chest defibrillator and is the father of cardio-pulmonary resuscitation. |
| Karl J. Krapek, Michigan Alpha '72 | president and CEO (1990- ), Carrier Division, United Technologies Corporation. |
| Norris J. Krone Jr., Maryland Beta '59 | designer of X-29 experimental forward-swept wing aircraft. |
| William R. Laidig, Wisconsin Beta '49 | CEO (1984- ), Great Northern Nekoosa. |
| Dr. Charles R. LaMantia, New York Alpha '61 | president (1986- ) and CEO (1988- ), Arthur D. Little, Inc. |
| John W. Landis, Pennsylvania Epsilon '39 | former president, General Atomic Corporation. |
| Harry W. Lange, Michigan Zeta '75 | manager, Fidelity Magellan Fund |
| Allen Latham Jr., Massachussetts Beta '30 | participated in development of the Polaroid Corp.; founded the Haemonetics Corp., which enhances the safety and quality of the world's blood supply. |
| W. Arnold Layman, Indiana Beta 1892 | CEO (1912-47), Wagner Electric Corp. |
| William P. Lear, Michigan Alpha '55 | developed the full maneuvering automatic pilot and the Lear Jet. |
| S. Stanley Learned, Kansas Alpha '24 | president and CEO (1962-67), Phillips Petroleum Co. |
| Joseph N. LeConte, California Alpha 1892 | one of the first to explore peaks of the Sierra Range. |
| William S. Lee, New Jersey Delta '51 | board chairman & CEO (1982-96) and president (1978-96), Duke Power Co. |
| Clarence H. Linder, Indiana Alpha '24 | founding member and first president of the National Academy of Engineering. |
| O. Winston Link, New York Zeta '37 | one of the most influential photographers of the 20th century (see www.linkmuseum.org) |
| Dr. Walter Loewenstern Jr., Texas Gamma '59 | co-founder, Rolm Corporation (1969) |
| George O.G. Löf, Colorado Beta '35 | solar energy pioneer. |
| Bernard D. Loughlin, New York Iota '39 | holds 107 patents; did basic work regarding theory and development of color television. |
| Matthew Luckiesh, Indiana Alpha 1909 | world's foremost authority on light, color, lighting, vision, and seeing. |
| Robert W. Lundeen, Oregon Alpha '42 | board chairman (19 -86), Dow Chemical Co. |
| Dr. John C. Malone, Connecticut Alpha '63 | chairman (1990- ), Liberty Media Corporation |
| Robert C. Marini, Massachussetts Epsilon '54 | chairman, president, and CEO, Camp Dresser & McKee, Inc. |
| Edmund F. Martin, New Jersey Alpha '22 | former chairman, Bethlehem Steel Corp. |
| Glenn L. Martin, Maryland Beta '47 | founder of Martin Aircraft Co.; one of aviation's greatest pioneers. |
| Jerry McAfee, Texas Alpha '37 | TBP Fellow; former chairman and CEO, Gulf Oil Corp. |
| John A. McCone, California Alpha '22 | chairman (1958-61), Atomic Energy Commission; former director, Central Intelligence Agency. |
| William C. McCord, Texas Delta '49 | CEO (1971- ), Enserch Corporation. |
| Edward R. McCracken, Iowa Alpha '66 | CEO (), Silicon Graphics |
| Leslie G. McCraw, South Carolina Alpha '56 | president (1988- ), board chairman (1991- ), and CEO (1990- ), Fluor Corporation. |
| James F. McDonald, Kentucky Alpha '62 | president (1984-89), chairman (1986-89), and CEO (1984-89), Gould, Inc.; president (1993- ) and CEO (1993- ), Scientific-Atlanta, Inc. |
| Sanford N. McDonnell, Colorado Beta '48 | board chairman and CEO, McDonnell Douglas Corp. |
| Russell W. McFall, Maryland Beta '42 | board chairman & CEO, Western Union Telegraph Co. |
| Dean A. McGee, Kansas Alpha '26 | board chairman and CEO Kerr-McGee Corp. |
| John K. McKinley, Alabama Beta '40 | president (1971-80), chairman and CEO (1980- ), Texaco, Inc. |
| Eugene J. McNeely, Missouri Alpha '22 | president (1961-65), AT&T Co. |
| Charles S. McNeer, Illinois Gamma '50 | CEO (1975- ), Wisconsin Energy. |
| Frank A. McPherson, Oklahoma Gamma '57 | CEO (1983- ), Kerr-McGee Corporation. |
| William G. Meese, Indiana Alpha '41 | board chairman and CEO, Detroit Edison Co. |
| William D. Mensch, Arizona Alpha '71 | co-designer, 6502 microprocessor |
| Frank A. Merrick, Pennsylvania Alpha 1891 | president (1929-38), Westinghouse Electric & Manufacturing Co. |
| Ruben F. Mettler, California Beta '44 | board chairman and CEO, TRW, Inc. |
| Dr. Otto N. Miller, Iowa Alpha '30 | president (1961-66), and board chairman, Standard Oil Co. of California. |
| Edward F. Mitchell, Maryland Beta '56 | president (1983- ) and board chairman (1992- ), Potomac Electric Power Co. |
| George P. Mitchell, Texas Delta '40 | founder, Mitchell Energy & Development Corporation |
| John L. Moll, Ohio Gamma '43 | famous for theoretical work in solid-state electronics. |
| Robert A. Moog, New York Alpha '57 | "father" of synthetic music; invented and marketed Moog Synthesizer in 1964. |
| William W. Moore, California Beta '33 | co-founder (1938), Dames & Moore, Inc. |
| Warren V. Musser, Pennsylvania Alpha '49 | co-founder-chairman, and president (1954- ), Safeguard Scientifics. |
| Ray B. Nesbitt, Texas Delta '55 | president and CEO (1991- ), Exxon Chemical Company. |
| Arthur C. Nielsen, Wisconsin Alpha '18 | developed system for measuring broadcast audiences. |
| Ray Noorda, Utah Alpha '49 | president and CEO ( -94) chairman, Novell, Inc. |
| John K. Northrop, California Delta '49 | president, Northrop Aircraft, Inc. |
| Dr. Ronald Nutt, Tennessee Alpha '61 | co-founder and CEO (2003-) of CTI Molecular Imaging. |
| Harry F. Olson, Iowa Beta '24 | held more than 100 patents in the acoustics field. |
| James T. O'Rourke, Rhode Island Beta '60 | president, Ind. Div., Camp Dresser & McKee Inc. |
| David Packard, California Gamma '34 | co-founder and board chairman, Hewlett-Packard. |
| Lawrence E. Page, Michigan Gamma '95 | co-founder of Google |
| Donald E. Petersen, Washington Alpha '46 | president (1980-84), chairman and CEO (1984-1990), Ford Motor Co. |
| Dr. Kurt Petersen, California Alpha '70 | CEO, SiTime |
| Ralph R. Peterson, Oregon Alpha '69 | president, CEO, and chairman CH2M HILL Companies, Ltd. |
| Thomas L. Phillips, Virginia Beta '47 | chairman (1975-90) and CEO (1968-90), Raytheon Co. |
| Richard H. Pough, Missouri Gamma '25 | author of Audubon Bird Guides. |
| Edmund T. Pratt Jr., North Carolina Gamma '47 | chairman and CEO, Pfizer, Inc. |
| Richard B. Priory, West Virginia Beta '69 | chairman and CEO, Duke Energy Corp. |
| Robert A. Pritzker, Illinois Beta '46 | co-founder (1953), The Marmon Group; founder, president (2002- ), and CEO, (2002- ), Colson Associates, Inc. |
| Donald E. Procknow, Wisconsin Alpha '47 | president (1971-83) and CEO (1972-83), Western Electric Co. |
| Monroe J. Rathbone, Pennsylvania Alpha '21 | president (1954-65) and board chairman (1936-65), Standard Oil of New Jersey. |
| Dr. Lee R. Raymond, Wisconsin Alpha '60 | CEO (1993-1999 ) Exxon Co. USA. CEO & chairman (1995-2005) ExxonMobil. |
| John S. Reed, Massachussetts Beta '61 | president, CEO, and chairman (-2000), Citicorp Bank and Citigroup. Interim chairman (2003-2004) New York Stock Exchange. |
| Philip D. Reed, Wisconsin Alpha '21 | board chairman (1939-59), General Electric Co; chairman (1959-65), Federal Reserve Bank of New York. |
| Eberhardt Rechtin, California Beta '46 | president and CEO, The Aerospace Corporation. |
| Lloyd E. Reuss, Missouri Beta '57 | president (1992), General Motors Corporation. |
| Edwin W. Rice Jr., New York Alpha 1880 | former president, General Electric Co. |
| Dr. George A. Roberts, Pennsylvania Gamma '39 | CEO (1986- ) and president (1966- ), Teledyne, Inc. |
| Benjamin T. Rome, District of Columbia Beta '34 | former board chairman, George Hyman Construction Company. |
| Haaken I. Romnes, Wisconsin Alpha '28 | former president, Western Electric Co.; president (1965-72) and board chairman, AT&T Co. |
| Peter H. Rose, New York Delta '52 | president, Krytek Corp. |
| Robert L. Royer, Indiana Beta '49 | CEO (1978- ), Louisville Gas & Electric. |
| Dr. Henry Samueli, California Epsilon '75 | co-founder, chairman (2003 -), and CTO (1991- ), Broadcom Corporation |
| David Sarnoff, New York Lambda '11 | "father" of American television; former president, board chairman (1947-70), and CEO (1947-66), Radio Corporation of America. |
| John L. Savage, Wisconsin Alpha 1903 | designer of the Grand Coulee Dam. |
| John A. Scarola, Connecticut Alpha '46 | president and CEO, Ebasco Services Incorporated. |
| Henry B. Schact, Connecticut Alpha '56 | CEO (1969- 96), Cummins Engine Co., Inc.; chairman (1996- ), Lucent Technologies, Inc. |
| Frederic A. Schaff, Indiana Alpha 1907 | president (1939-49) and board chairman (1949-50), Combustion Engineering Co., Inc. |
| Gene W. Schneider, Texas Alpha '49 | founder and CEO (1953- ), United Cable TV. |
| Barton W. Shackleford, California Alpha '41 | president, Pacific Gas & Electric Co. |
| H. Robert Sharbaugh, Pennsylvania Gamma '48 | president, Sun Oil Co. |
| Peter H. Soderberg, Connecticut Alpha '68 | president (2000-06), and CEO (2000-06) Welch Allyn, Inc.; CEO (2006- ), Hillenbrand Industries, Inc. |
| Charles E. Spahr, Kentucky Alpha '34 | president, chairman, and CEO (1959-77), Standard Oil Co. (Ohio). |
| Athlestan F. Spilhaus, New York Epsilon '31 | former president of the AAAS and the Franklin Institute. |
| Raymond S. Stata, Massachussetts Beta '57 | president and chairman, Analog Devices, Inc. |
| Richard J. Stegmeier, Missouri Beta '50 | CEO (1988- ), Unocal. |
| David B. Steinman, New York Alpha 1906 | internationally eminent bridge authority; co-founder of the N.S.P.E. |
| H. Guyford Stever, Massachussetts Beta '38 | director (1972-76) of National Science Foundation; former director of the Office of Science and Technology Policy. |
| Charles A. Stone, Massachussetts Beta 1888 | co-founder of Stone and Webster, Inc., in 1899. |
| Harrison A. Storms, Jr., Illinois Gamma '38 | North American Rockwell engineer, called the "quarterback for the moon race." |
| Joseph B. Strauss, Ohio Beta 1892 | chief engineer and builder of the Golden Gate Bridge. | Dr. Ronald D. Sugar, California Epsilon '68 | president, CEO, and chairman, Northrop Grumman Corporation |
| Dr. John A. Swanson, New York Delta '62 | founder (1970), president & CEO (1970-99) ANSYS Inc. |
| William H. Swanson, California Mu '72 | president (2003-), CEO (2003-), and chairman (2004-), Raytheon Company. |
| John E. Swearingen Jr., South Carolina Beta '38 | former chairman and CEO, Standard Oil Co. (Indiana). |
| Frederick W. Taylor, New Jersey Alpha 1883 | dean of "scientific management"; introduced system of time & motion study in early 1900's. |
| Daniel M. Tellep, California Alpha '54 | CEO (1989-95), Lockheed Martin Corporation. |
| Stephen P. Timoshenko, California Gamma 1901 | international authority on engineering mechanics. |
| Zane G. Todd, Indiana Alpha '51 | CEO (1976- ), 1 Palco Enterprises. |
| Paul R. Tregurtha, New York Delta '58 | chairman, chief executive officer, director of Mormac Marine Group, Inc., (1988-). |
| Raymond R. Tucker, Missouri Gamma '20 | former mayor, St. Louis, Missouri. |
| Bert S. Turner, Louisiana Alpha '43 | founder (1961) and chairman-emeritus, Turner Industries |
| Edward G. Uhl, Pennsylvania Alpha '40 | chairman and CEO, Fairchild Industries, Inc. |
| Dr. James A. Van Allen, Iowa Beta '35 | astronomer, discovered Van Allen radiation belts. |
| Robert J. Van de Graff, Alabama Beta '22 | developed the particle accelerator. |
| Thomas A. Vanderslice, New York Theta '53 | president (1979-present), General Telephone & Electronics Corp. |
| Ward T. Van Orman, Ohio Alpha '17 | internationally known balloonist; invented bullet-proof gasoline tank. |
| Romeo J. Ventres, Massachussetts Alpha '48 | CEO (1986-91), president (1985- ), and chairman (1987-92), Borden, Inc. |
| Jeffrey N. Vinik, North Carolina Gamma '81 | manager, Fidelity Magellan Fund |
| Dr. Andrew J. Viterbi, Massachussetts Beta '57 | co-founder of Qualcomm |
| Dr. Wernher von Braun, Michigan Gamma '32 | rocket expert; president and board chairman, National Space Institute. |
| Jack Waddell, Montana Alpha '50 | chief test pilot for Boeing 747. |
| Eric A. Walker, Massachussetts Gamma '32 | helped to develop SONAR during World War II; president ASEE (1961-62), EJC (1962-63), and NAE (1966-70). |
| J. Carlton Ward Jr., New York Delta '14 | former board chairman, Fairchild Engine/Airplane Co. |
| Ernst Weber, New York Zeta '33 | famous in the field of electrical engineering and engineering education. |
| Edwin S. Webster, Massachussetts Beta 1888 | co-founder of Stone and Webster, Inc., in 1899. |
| Clyde E. Weed, Michigan Beta '11 | former president, Anaconda Co. |
| William L. Weis-Weiss Pennsylvania Beta '51 | CEO (1984- ), Ameritech Corporation. |
| William J. Weisz, Massachussetts Beta '48 | CEO(1986-88) and chairman(1993-97), Motorola Inc. |
| Dr. John F. Welch Jr., Massachussetts Zeta '57 | chairman and CEO (1981- ), General Electric Company. |
| Dr. Herbert A. Wertheim, Florida Beta '62 | chairman and CEO, Brain Power Inc. |
| George H. Weyerhaeuser, Connecticut Alpha '49 | CEO (1966- ), Weyerhaeuser Company. |
| Jerome B. Wiesner, Michigan Gamma '37 | science advisor (1961-64) to Presidents Kennedy and Johnson. |
| Sam B. Williams, Michigan Eta '42 | president, Williams International. |
| Walter F. Williams, Delaware Alpha '51 | CEO (1986- ), Bethlehem Steel Corp. |
| Wayman C Wing, Wyoming Alpha '47 | founder Wayman C. Wing Consulting Engineers |
| Charles E. Wilson, New Jersey Alpha '47 | former president, General Electric Co. |
| J. Lawrence Wilson, Virginia Beta '58 | CEO, Rohm & Haas. |
| Leroy A. Wilson, Indiana Beta '22 | president (1948-51), AT&T Co. |
| Edgar S. Woolard, Jr., North Carolina Alpha '56 | CEO (1989- )85, and chairman (1989- ) E.I. du Pont de Nemours and Company, Inc. |
| Dr. Dean E. Wooldridge, California Beta '32 | president (1958-62), TRW, Inc. |
| Myron A. Wright, Texas Gamma '33 | former president and board chairman, Humble Oil & Refining Co. |
| Chih-Yuan "Jerry" Yang, California Gamma '90 | co-founder (1996), Yahoo! |
| Rouzbeh Yassini, West Virginia Alpha '81 | "father of the cable modem." |
| John A. Young, Oregon Alpha '53 | president (1977-92) and CEO (1978-92), Hewlett-Packard Co. |
| Lofti Zadah, New York Alpha '42 | father of fuzzy logic. |
| Charles A. Zraket, Massachussetts Epsilon '51 | president and CEO (1988- ), The MITRE Corporation. |
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