AIP Officers

Chief Executive Officer
+1 301-209-3131

Dr. Robert G. W. Brown is the Chief Executive Officer of the American Institute of Physics (AIP), a not-for-profit organization which provides a wide range of services for individual scientists, students, the general public, and its ten Member Societies devoted to physics and related sciences. Dr. Brown joined AIP's leadership on June 1, 2015.

Chief Financial Officer
gswartz [at]
+1 301-209-3020

Catherine “Gigi” Swartz was elected Chief Financial Officer for AIP in June 2013. She joined AIP as the Assistant Treasurer in 1998 and was promoted to Controller and Assistant Treasurer in 2000. Gigi earned her MBA in finance from The George Washington University.

Chief Operating Officer
coriordan [at]
+1 301-209-3124

Catherine O'Riordan is the Chief Operating Officer for the American Institute of Physics. She directs a broad portfolio of programs that includes the News and Media Division, the Government Relations Division, the Education Division, the Center for the History of Physics, and the Statistical Research Division.