Nuclear Weapons & Global Security Experts

• Laura Grego, Senior Scientist, Global Security Program

  Laura Grego, a senior scientist in the UCS Global Security Program, is an expert on space security issues. Read Laura 's biography

• Lisbeth Gronlund, Co-Director, Global Security Program

  Lisbeth Gronlund, co-director of the UCS Global Security Program, is an expert on technical issues related to ballistic missile defenses, ballistic missile proliferation, international fissile material controls, and nuclear arms control. Read Lisbeth's biography

• Gregory Kulacki, China Project Manager

  Gregory Kulacki, a respected expert on the People's Republic of China, focuses on cross-cultural communication between the United States and China. Read Gregory's biography

• Edwin Lyman, Senior Scientist, Global Security Program

  Edwin Lyman, a senior scientist in the UCS Global Security Program, is an expert on nuclear weapons policy, nuclear materials, and nuclear terrorism. Read Edwin 's biography

• Eryn MacDonald, Analyst, Global Security Program

  Eryn MacDonald, an analyst with the UCS Global Security Program, focuses on international security, arms control and nonproliferation, U.S.-China relations, and East Asian security. Read Eryn's biography

• David Wright, Co-Director, Global Security Program

  David Wright, co-director of the UCS Global Security Program, is an established expert on the technical aspects of arms control, particularly those related to missile defense systems, missile proliferation, and space weapons. Read David 's biography

• Stephen Young, Senior Analyst, Global Security Program

  Stephen Young is an expert on a wide range of arms control and international security issues, including U.S. nuclear weapons policy, arms control, and missile defense. Read Stephen 's biography

Urge President Obama to Move Us Toward a World Free of Nuclear Weapons

The world has changed dramatically since the end of the Cold War. In the 21st century, nuclear weapons are a global security liability, not an asset. Tell the president to reduce the threat from nuclear weapons.

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