"In my home there are few publications that we actually get hard copies of, but [Arms Control Today] is one and it's the only one my husband and I fight over who gets to read it first."

– Suzanne DiMaggio
Senior Fellow, Carnegie Endowment for International Peace
April 15, 2019
About ACA

Elisabeth Erickson, Managing Editor, Arms Control Today

Daniel Horner, Editor, Arms Control Today

Daniel Horner became editor of Arms Control Today in April 2009. Prior to joining ACA, Dan was senior editor with the Platts Nuclear Group, which publishes Nucleonics Week, NuclearFuel, and Inside NRC. At Platts, Dan wrote and edited articles on national and international issues dealing with nuclear power and proliferation.

Greg Thielmann



Greg Thielmann

Greg Thielmann most recently served as a senior professional staffer of the Senate Select Committee on Intelligence (SSCI). Prior to joining the SSCI in 2005, he was a U.S. Foreign Service Officer for 25 years, last serving as Director of the Strategic, Proliferation and Military Affairs Office in the Department of State’s Bureau of Intelligence and Research. His foreign posts include Deputy Political Counselor of the U.S. Embassy in Brasilia, Brazil; Political-Military Affairs Officer in Moscow, USSR; and Political-Military Affairs Officer in Bonn, Germany. Thielmann also served as the Deputy Office Director in the State Department’s Office of German, Austrian and Swiss Affairs; Special Assistant to Ambassador Paul Nitze (then Special Adviser to the President and Secretary of State on Arms Control Matters); and State Department advisor to the U.S. Delegation at the Geneva INF arms control negotiations. Greg is a member of the Council on Foreign Relations and a former member of the Board of Directors of the Arms Control Association (2003-2005). His July 2003 appearance at an ACA press briefing on faulty intelligence assessments on Iraq’s WMD capabilities <http://www.armscontrol.org/events/iraq_july03> led to a CBS News 60 Minutes II segment <http://www.cbsnews.com/stories/2003/10/14/60II/main577975.shtml> titled “The Man Who Knew,” which won an Emmy Award for reporter Scott Pelley.

Greg Thielmann's primary research areas include:

Arms Control Association Library

The ACA in-house library contains more than 1250 books with titles going back more than 60 years and is always being updated. View the library online and contact us to make an appointment to access the collection (in office visits only).

ACA’s 2009 "Yes We Can Do" List

Persuade the White House to reiterate U.S. support for NPT-related disarmament obligations and the realization of a nuclear weapons free world, and build consensus for an action plan to repair the beleaguered NPT system.

September 2008 ACT Print Advertisers

Merle Newkirk, Finance Officer

Merle Newkirk has been with the Association since 1989 as Finance Officer. She graduated from the Berkeley College in New York with an associate degree in Marketing and Management.

Dan Arnaudo, Assistant to the Executive Director

Dan Arnaudo joined the Arms Control Association in December 2006. Before graduating from Emory University in 2005 with a bachelor’s degree in International Studies, he interned at the Carter Center, covering non-proliferation issues and the Middle East for its Conflict Resolution Program.

Brian Creamer, Assistant Editor, Arms Control Today

Brian Creamer joined ACA in August 2005. He is a 2005 graduate of the E.W. Scripps School of Journalism at Ohio University, where he earned a bachelor's degree in magazine journalism. While at OU, Brian served as editor in chief of Southeast Ohio magazine, the only student-produced regional magazine in the United States, and worked as a reporter for The Athens Messenger and as a freelance writer for Ohio DO and Profiles magazines, both of which are published by OU.

Jeff Abramson, Deputy Director

Jeff Abramson joined ACA in 2007. As deputy director he works to promote efforts to reduce the humanitarian impact of certain types of conventional weapons, monitor the global arms trade, and prevent use of weapons in outer space. He also provides leadership in ACA's management, membership, and resource development efforts.


Subscribe to RSS - About ACA