Officers and Staff

NTI is staffed by a group of experts on international affairs, nonproliferation, security and military issues, public health,
medicine and communications who have operational and international
experience in their fields. They have held high-level posts in the White House, federal
and state agencies, the U.S. military, the U.S. Congress, and international organizations. The NTI
staff share a common vision of a safer world and are working to reduce the global threats from nuclear, biological and chemical weapons.
Sam Nunn, Co-Chairman & Chief Executive Officer
Charles B. Curtis, President and Chief Operating Officer
Joan Rohlfing, Senior Vice President for Programs & Operations
Ms. Rohlfing joined NTI after spending six years in a number of senior positions with the
U.S. Department of Energy. She served as Senior Advisor for National Security to the Secretary of Energy and
Director of the Office of Nonproliferation and National Security. She took a nine-month assignment in New Delhi, India, in the wake of nuclear tests in South Asia, to advise the
U.S. Ambassador on nuclear security issues. Ms. Rohlfing also has served on the
staff of the U.S. House Armed Services Committee and at the
U.S. Department of Defense.
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Brooke D. Anderson, Vice President for Communications
Ms. Anderson joined NTI after serving in various senior positions in the executive
and legislative branches of the U.S. government, including Special Assistant to
the President and Senior Director for Communications at the National Security
Council at the White House. She also served as Director of the U.S. Department of Energy's Office
of Public Affairs and Deputy Chief of Staff and Press Secretary to former
Congressman David Skaggs.
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Charlotte S. Atkinson, ACA, CPA, Treasurer
Ms. Atkinson joined NTI from Deloitte, where she was an Audit Senior Manager. She has more than eight years experience auditing not-for-profits, financial services and service organizations. Ms. Atkinson is a Certified Public Accountant, and a member of the American Institute of Certified Public Accountants. She is also a Chartered Accountant and a member of the Institute of Chartered Accountants in England and Wales. She holds a BSc(Hons) in Physics from the University of Bristol, and a Masters degree in International Studies from the University of Birmingham, UK.
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Kraig M. Butrum, Vice President for Development
Mr. Butrum has more than 20 years of fundraising experience, has held
senior-level development positions with a number of nonprofit organizations and
has consulted internationally on nonprofit fundraising. His fundraising
experience includes major capital campaigns, including directing Conservation
International's five-year $600 million Campaign to Save the Hotspots and the
National Park Foundation's Connecting Our
Children to America campaign.
Laura S. H. Holgate, Vice President for Russia/New Independent States (NIS) Programs
Ms. Holgate joined NTI after serving in a
number of senior positions in the federal
government. She managed the Nunn-Lugar
Cooperative Threat Reduction program at the
U.S. Department of Defense, which provides
assistance to Russia and the new independent
states in securing and destroying excess
nuclear, chemical and biological weapons
and materials. She also served as Director of
the Office of Fissile Materials Disposition at
the U.S. Department of Energy. Ms. Holgate
has received numerous public service awards
and is a member of the Council on Foreign
Relations and the International Institute of
Strategic Studies. She is President of
Women in International Security, and sits
on advisory panels of the Pacific Northwest
National Laboratory and the Oak Ridge
National Laboratory.
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Terence Taylor,
Vice President for Global Health and Security
Terence Taylor is Vice President of NTI's Global Health and Security Initiative which is working prevent, detect, and respond to biological threats by enhancing biological safety and security including developing and enhancing regional epidemiological surveillance systems for infectious disease in various parts of the world. Terence Taylor is also the President of the International Council for the Life Sciences (ICLS). He is a member of the US Institute of Medicine's Forum on Microbial Threats. Before establishing ICLS he was Assistant Director at the International Institute for Strategic Studies (IISS) in London and was President and Executive Director of IISS-US. He led the Institute's work on life sciences and security. He has substantial experience in international security policy matters as a UK government official (both military and diplomatic) and for the United Nations both in the field and at UN Headquarters. He was a Commissioner and one of the Chief Inspectors with the UN Special Commission on Iraq with particular responsibilities for biological issues.
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Robert E. Berls, Jr., PhD, Senior Advisor for Russia/NIS Programs,
Director of the Moscow Office
Dr. Berls brings to NTI a background in Soviet/Russian energy and nuclear weapons issues. As a
Colonel in the U.S. Air Force, he served as Air Attaché at the U.S. Embassy in the 1980s. During the first Clinton Administration he was
Special Assistant to the Secretary of Energy for Russia/NIS Programs.
Before joining NTI, he was Vice President for Business Development and Government
Relations for a U.S. oil company.
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Louise S. Gresham, PhD, MPH, Director, Health Security and Epidemiology
Dr. Gresham previously served as the Senior Epidemiologist for San Diego County, Health and Human Services Agency with over 20 years of experience conducting and supervising infectious disease surveillance and response activities. Before coming to NTI, she was the Director of the San Diego State University Center for Public Health Security. Dr. Gresham brings expertise in national and international disease surveillance systems, including the U.S. Mexico Border Infectious Disease Surveillance program and the Middle East Consortium on Infectious Disease Surveillance. Dr. Gresham is well published and is an Adjunct Associate Professor of Public Health at San Diego State University and co-founder of the Global Emergency Preparedness and Response Master of Science.
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Catherine O'Brien Gwin, Director of Communications
Ms. Gwin came to NTI from the law firm of King & Spalding, where she served as former Senator Sam Nunn's
Director of Communications and Public Policy. She previously served as Senator Nunn's
Press Secretary in the U.S. Senate and the spokesperson for the Senate Armed Services Committee.
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Margaret A. Hamburg,
M.D., Senior Scientist
Dr. Hamburg previously served as NTI's
Vice President for the Biological Program and now provides strategic
advice and expertise to NTI as Senior Scientist. Before coming to NTI,
Dr. Hamburg was Assistant Secretary for Planning and Evaluation at the U.S.
Department of Health and Human Services. She is a physician and expert in public
health and bioterrorism. Dr. Hamburg was the Commissioner of Health for the City
of New York and former Assistant Director of the Institute of Allergy &
Infectious Diseases at the National Institutes of Health. She is a member of the
Institute of Medicine of the National Academies of Science, the Intelligence
Science Board, the Council on Foreign Relations, the Aspen Study Group and is a
fellow for the American Association of the Advancement of Science. She also serves on the Board of Trustees of the Rockefeller
Foundation.
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Diane G. Hauslein,
Director of Administration
Ms. Hauslein joined NTI following a 21 year career in the field of legal management
- including finance, human resources, facilities/equipment management,
technology and marketing. Most recently, Ms. Hauslein served as the Director of
Administration for the Washington, DC office of an international law
firm co-managed by James Hall, former Chairman of the
National Transportation Safety Board.
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Corey Hinderstein,
Director, International Program
Ms. Hinderstein came to NTI in 2006 from the Institute for Science and International Security (ISIS),
where she was the Deputy Director of the Institute. Her research has focused on the intersection of technical
and policy issues related to the dangers posed by nuclear proliferation. Ms. Hinderstein is a Phi Beta Kappa
graduate of Clark University and is President of the Northeast Region of the Institute
of Nuclear Materials Management.
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Alexander Nikitin, Director of On-Line Communications
Prior to joining the Communications team at NTI, Mr. Nikitin pursued a PhD in Comparative Literature at Stanford University. In the past, Mr. Nikitin held teaching positions at Monterey Institute of International Studies and Carnegie Mellon University. Mr. Nikitin grew up in Russia and received his undergraduate education at Moscow State University and later at Dartmouth College. He has a Bachelor of Arts from Dartmouth College. Mr. Nikitin is fluent in English and Russian, and proficient in French and Italian.
Mariah Richardson, Program Associate, Global Health and Security Initiative
Ms. Richardson holds a Bachelor of Arts in Philosophy and
Policy Journalism from Duke University and has worked as a writer and research assistant in the global health arena. Ms. Richardson also serves on the advisory board of a non-profit health and education organization based in East Africa, providing guidance on program strategy and fundraising.
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Major Robert E. Schultz, USAF (Ret.),
PMP, Senior Program Officer, Russia/NIS Programs
Major Schultz joined NTI after a military career in strategic
nuclear operations and strategic offensive arms threat reduction. He brings
extensive program implementation experience from the U.S. Department of Defense's
Nunn-Lugar Cooperative Threat Reduction program where he was involved in
the disposition of
Russian strategic missiles. He also served as a Minuteman ICBM Flight
Commander and as an Operations Planner on the Strategic Air Command's
Airborne Command Post "Looking Glass." Major Schultz is a certified Project
Management Professional and holds a Master's Certificate in Applied
Project Management from Villanova University.
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Isabelle Williams, Program Officer, International Program
Ms Williams came to NTI in 2007 from the Partnership for Global Security, where she managed the next generation nonproliferation program. She was previously research associate at the Chemical and Biological Arms Control Institute and held successive positions at the International Institute for Strategic Studies in London.
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