Ratner is a member of the International Academy of Quantum Molecular Science.
Academy Awards | ATP International Series | Bachelor of Science | United States Military Academy | International Monetary Fund | National Science Foundation | Russian Academy of Sciences | American Association for the Advancement of Science | International Red Cross and Red Crescent Movement | ATP International Series Gold | International Space Station | Amnesty International | International Olympic Committee | National Academy of Sciences | American Academy of Arts and Sciences | BirdLife International | International Finance Corporation | political science | Master of Science | International Organization for Standardization | Science | Academy Award for Best Foreign Language Film | International Telecommunication Union | United States Naval Academy | International Criminal Court | Computer Science | United States Air Force Academy | One Day International | International Nonproprietary Name | International Labour Organization |
Schatz is a member of the National Academy of Sciences, of the International Academy of Quantum Molecular Science, and many other such bodies.