MRO Magazine

Thomas M. Connelly, Jr., new leader of world’s largest scientific society

By Business Wire News   


Thomas M. Connelly, Jr., Ph.D., is the new executive director and chief executive officer (CEO) of the American Chemical Society, the world’s largest scientific society. He succeeds Madeleine Jacobs who retired last month after 11 years at the helm. Connelly was previously executive vice president and chief innovation officer at DuPont. He retired from that position in December 2014 after a distinguished 36-year career with the company.

Thomas M. Connelly, Jr., Ph.D. Credit: Peter Cutts

Thomas M. Connelly, Jr., Ph.D. Credit: Peter Cutts

“I am honored to have been selected as executive director and CEO of the American Chemical Society by the ACS Board of Directors,” says Connelly. “My career has been entirely within the chemical enterprise, serving in research, manufacturing and business roles. I am looking forward to using that experience to serve our more than 158,000 members and advance the goals and priorities of the Society.”

Over the course of his career with DuPont, Connelly led worldwide businesses and operations, with special emphasis on developing markets.

He earned a B.S. in chemical engineering and an A.B. in economics at Princeton University in 1974, and a Ph.D. in chemical engineering at the University of Cambridge in 1977.

The American Chemical Society is a nonprofit organization chartered by the U.S. Congress. With more than 158,000 members, the ACS is the world’s largest scientific society and a global leader in providing access to chemistry-related research through its multiple databases, peer-reviewed journals, and scientific conferences. Its main offices are in Washington, D.C., and Columbus, Ohio.

To automatically receive news releases from the American Chemical Society, contact

American Chemical Society
Joan Coyle, 202-872-6229


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