Experts

NTI experts bring years of experience at the highest levels of government and research to tackle nuclear and biological threats.

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Cathy Gwin

Senior Director, Communications

All Experts
Biosecurity
Cyber
Dirty Bomb/Radiological
Iran
North Korea
Nuclear Energy
Nuclear Terrorism
Nuclear Weapons Policy
US-Russia

All Experts

Ernest J. Moniz

Co-Chair and Chief Executive Officer, NTI

Sam Nunn

Co-Founder and Co-Chair, NTI

Email

Dimitri Kusnezov, Ph.D.

Vice President, Science and Technology

Scott A. Roecker

Vice President, Nuclear Materials Security

Jaime M. Yassif, Ph.D.

Vice President, Global Biological Policy and Programs

Steve Andreasen

National Security Consultant

Email

Eric Brewer

Deputy Vice President, Nuclear Materials Security

Patricia Jaworek

Director, Global Nuclear Policy Program

Ross Matzkin-Bridger

Senior Director, Nuclear Materials Security

Mark Melamed

Deputy Vice President, Global Nuclear Policy Program

Samantha Neakrase

Senior Director, Global Nuclear Policy Program

Nathan A. Paxton, Ph.D.

Senior Director, Global Biological Policy and Programs

Email

Nickolas Roth

Senior Director, Nuclear Materials Security

Elise Rowan

Deputy Vice President, Communications

Aparupa Sengupta, Ph.D., RBP

Senior Program Officer, Global Biological Policy and Programs

Hayley Severance

Deputy Vice President, Global Biological Policy and Programs

Isabelle Williams

Senior Director

Email

Biosecurity

Jaime M. Yassif, Ph.D.

Vice President, Global Biological Policy and Programs

Nathan A. Paxton, Ph.D.

Senior Director, Global Biological Policy and Programs

Email

Aparupa Sengupta, Ph.D., RBP

Senior Program Officer, Global Biological Policy and Programs

Hayley Severance

Deputy Vice President, Global Biological Policy and Programs

Cyber

Dimitri Kusnezov, Ph.D.

Vice President, Science and Technology

Dirty Bomb/Radiological

Scott A. Roecker

Vice President, Nuclear Materials Security

Samantha Neakrase

Senior Director, Global Nuclear Policy Program

Iran

Ernest J. Moniz

Co-Chair and Chief Executive Officer, NTI

Scott A. Roecker

Vice President, Nuclear Materials Security

Eric Brewer

Deputy Vice President, Nuclear Materials Security

North Korea

Ernest J. Moniz

Co-Chair and Chief Executive Officer, NTI

Eric Brewer

Deputy Vice President, Nuclear Materials Security

Nuclear Energy

Ernest J. Moniz

Co-Chair and Chief Executive Officer, NTI

Ross Matzkin-Bridger

Senior Director, Nuclear Materials Security

Nuclear Terrorism

Ernest J. Moniz

Co-Chair and Chief Executive Officer, NTI

Sam Nunn

Co-Founder and Co-Chair, NTI

Email

Joan Rohlfing

NTI President and COO Emeritus; Co-founder and President, Triastron

Linkedin

Scott A. Roecker

Vice President, Nuclear Materials Security

Eric Brewer

Deputy Vice President, Nuclear Materials Security

Samantha Neakrase

Senior Director, Global Nuclear Policy Program

Nickolas Roth

Senior Director, Nuclear Materials Security

Nuclear Weapons Policy

Ernest J. Moniz

Co-Chair and Chief Executive Officer, NTI

Sam Nunn

Co-Founder and Co-Chair, NTI

Email

Steve Andreasen

National Security Consultant

Email

Eric Brewer

Deputy Vice President, Nuclear Materials Security

Patricia Jaworek

Director, Global Nuclear Policy Program

Mark Melamed

Deputy Vice President, Global Nuclear Policy Program

Samantha Neakrase

Senior Director, Global Nuclear Policy Program

Nickolas Roth

Senior Director, Nuclear Materials Security

Isabelle Williams

Senior Director

Email

US-Russia

Ernest J. Moniz

Co-Chair and Chief Executive Officer, NTI

Sam Nunn

Co-Founder and Co-Chair, NTI

Email

Scott A. Roecker

Vice President, Nuclear Materials Security

Steve Andreasen

National Security Consultant

Email

Patricia Jaworek

Director, Global Nuclear Policy Program

Mark Melamed

Deputy Vice President, Global Nuclear Policy Program

Isabelle Williams

Senior Director

Email

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