Executive Team Biographies

Thomas M. Connelly, Jr.

Thomas M. Connelly, Jr.

Executive Director/Chief Executive Officer

Thomas M. Connelly, Jr. is the Executive Director and CEO of the American Chemical Society. Prior to joining ACS, he served as Chief Science and Technology Officer, and then as Chief Innovation Officer for the DuPont Company. In these roles, he was responsible for science and technology, with special emphases on polymer science, chemical process development, and later, bioprocessing for chemical synthesis and production.  At DuPont, Dr. Connelly led R&D organizations and businesses, while based in the US, Europe and Asia.

Dr. Connelly graduated with highest honors from Princeton University with degrees in Chemical Engineering and Economics. As a Winston Churchill Scholar, he received his doctorate in chemical engineering from the University of Cambridge.   In 2016, Dr. Connelly was elected to the National Academy of Engineering.  He has served in advisory roles to the U.S. Government and the Republic of Singapore.

Brian Bernstein

Brian Bernstein

Treasurer & Chief Financial Officer

Mr. Bernstein received a B.S. in business administration from the University of Maine and an M.B.A. from George Washington University. He began his career at ACS in 1979 as a financial analyst in the Office of the Treasurer and Chief Financial Officer. He was appointed Assistant Treasurer in 1982, elected Treasurer in 1984, and assumed his current job responsibilities in 2004. In 2007, he was named the Society’s Treasurer & Chief Financial Officer. He has been an ACS member since 1993.

Brian Crawford

Brian Crawford

President, ACS Publications Division

Dr. Crawford received a B.S. with High Honors in Chemistry from the University of Maryland, and a Ph.D. in Biochemical and Biophysical Sciences from the Johns Hopkins University, followed by postdoctoral research at Los Alamos National Laboratory and university teaching. After two decades in the commercial STM publishing industry, including senior executive positions with John Wiley & Sons, he joined ACS in 2004 and was appointed President of the Publications Division in 2007. He holds general management responsibility for ACS’ portfolio of 40 peer-reviewed journals and the operations of Chemical & Engineering News.

Kate Fryer

Kate Fryer

Executive Vice President, Membership Division

Kate Fryer received her B.S. in psychology from Virginia Polytechnic Institute & State University and subsequently received her Certified Association Executive credential from the American Society of Association Executives. She has worked for scientific societies for over 20 years, including the American Physiological Society, American Association of Physics Teachers, and most recently the Society for Neuroscience. 

LaTrease E. Garrison

LaTrease E. Garrison

Executive Vice President, Education

LaTrease E. Garrison received her B.S. in chemistry from Howard University and completed her M.B.A degree at Strayer University where her research focused on succession planning for the non-profit organization. LaTrease joined ACS in 1992 as a Program Assistant for Chemical & Engineering News magazine. In 1996 she moved to the Education Division where she held several positions including Senior Program Manager of Undergraduate Programs. In 2005 she was appointed to the position of Special Assistant to the Director of the Education Division. LaTrease previously served as the Assistant Director of the Member Communities/ Department of Volunteer Support and Director of the Administrative and Programmatic Technology group and the Professional Advancement Team.  She has also served as staff liaison to various ACS Committees and Task Forces and is a trained facilitator for courses within the ACS Leadership Development System.

Manny Guzman

President, Chemical Abstracts Service (CAS)

Mr. Guzman received a BS and an MBA in Finance from Seton Hall University.  Before being named President of CAS, Mr. Guzman was the Executive Vice President of Learning, Research Solutions & International for Cengage Learning, responsible for a $2B product development operation including strategy, content, development and product/platform technology along with leading the company’s international operations. He has held various executive positions within the information industry including President of Thomson Learning, Career & Professional Group.

Mary Kirchhoff

Mary Kirchhoff

Executive Vice President, Scientific Advancement

Dr. Kirchhoff received bachelor’s and master’s degrees in chemistry from Russell Sage College and Duquesne University, respectively, and a Ph.D. in organic chemistry from the University of New Hampshire. She served for nine years on the faculty at Trinity College in Washington, D.C., and three years as an American Association for the Advancement of Science (AAAS) environmental fellow and visiting scientist at the U.S. Environmental Protection Agency. She spent three years with the ACS Green Chemistry Institute before moving to the ACS Education Division, where she served as Director from 2005-2016. She is a Fellow of AAAS and a member of the Chemical Sciences Roundtable.

Martha K. Lester

Martha K. Lester

Director, Strategy Development

Ms. Lester received her Bachelor’s degree in chemistry from the University of Dayton, and a M.S. in Chemistry and Curriculum & Instruction from the University of Maryland. Martha joined ACS in 1987 and spent 10 years developing curriculum materials in the Education Division. In 1996, Martha moved to the Membership Division where she assisted with the design and implementation of the ACS Leadership Development System and the ACS Career Navigator. In 2015 she was appointed to her current position where she works with the ACS Executive Director to assist the Board of Directors in developing, implementing, and monitoring a coherent strategic plan for the Society. Martha has served as staff liaison to Board, Council, and Joint-Board Council committees and is a certified facilitator for many of the courses within the ACS Leadership Development System.

Flint Lewis

Flint Lewis

Secretary & General Counsel
Director, Office of the Secretary and General Counsel

Mr. Lewis has undergraduate and J.D. degrees from the University of San Diego. He worked as a litigation attorney in a San Diego law firm, then served for eight years as counsel and senior policy analyst for the US House of Representatives. He served with the American Red Cross as a government relations officer and as chief of staff to ARC President Elizabeth Dole. In 1996, he became director of ACS’ Office of Legislative and Government Affairs and assistant secretary. He was elected secretary in 2002 and became general counsel in 2004.

Scott Oliphant

Scott Oliphant

Director, Human Resources

Mr. Oliphant earned a Bachelor’s degree from The Pennsylvania State University. Prior to joining ACS Human Resources in 2007, he worked for a number of multinational firms, including JDA Software, Motient Telecommunications, and Arthur Andersen Business Consulting. His professional expertise includes compensation and benefits, diversity and recruitment, training and development, mergers and acquisitions, and legal compliance.

John Sullivan

John Sullivan

Chief Information Officer, Washington IT Operations

Mr. Sullivan received a B.S. Degree in Information Technology Management from the University of Maryland, University College. Prior to joining ACS in 2005, he served as Chief Information Officer at AARP. Before AARP, he led the information technology departments at a number of other non-profit organizations, including the National Society of Professional Engineers and the Association of Trial Lawyers of America.