Executive Team Biographies

Madeleine Jacobs

Madeleine Jacobs

Executive Director/Chief Executive Officer

Ms. Jacobs received a B.S. in chemistry and an honorary doctor of science from George Washington University. She has been Executive Director and CEO of ACS since January 2004. She served as Managing Editor and Editor-in-Chief of Chemical & Engineering News from 1993 to 2003. She worked for C&EN from 1969 to 1972, and then had a 21-year career in science writing, journalism, and public affairs at the National Institute of Allergy and Infectious Diseases, the National Bureau of Standards, and the Smithsonian Institution, serving the latter as Director of Public Affairs. Ms. Jacobs serves on the board of directors of several not-for-profit scientific organizations and speaks frequently on the public understanding of science, gender equity in the sciences, and employment issues.

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.

Denise Creech

Denise Creech

Director, Member & Scientific Advancement Division

Ms. Creech is responsible for leading the staff that supports the work of the ACS local sections, divisions, and committees. In addition, the Division is responsible for delivering quality programs to meet the professional advancement needs of our members through a variety of offerings including short courses, career offerings, meetings, international exchanges, and the ACS Green Chemistry Institute. Prior to joining the ACS in 1990, Ms. Creech taught high school chemistry for fourteen years. She graduated from Duke University with a degree in science education. She was named a Woodrow Wilson Teaching Fellow in 1988.

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

Director, Education Division

Dr. Kirchhoff received a B.A. from Russell Sage College, an M.S. degree from Duquesne University, and a Ph.D. from the University of New Hampshire. She spent nine years on the faculty at Trinity College in Washington, D.C., and three years as an AAAS environmental fellow and visiting scientist at the EPA prior to joining the ACS Green Chemistry Institute in 2001. She is a Fellow of the American Association for the Advancement of Science.

Flint Lewis

Flint Lewis

Secretary & 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.