Meet Our Team
ISG is comprised of a diverse leadership, faculty, and staff team with strong professional, academic, military, and government backgrounds. Scroll below to learn a little more about us, and head to the Working With Us section of this site for information on how to get involved.
![Ian Wexler](/sites/default/files/styles/coh_x_large/public/2024-04/wexler_i.jpg?itok=T-Y8r0D4)
Ian Wexler
Director
Institute for Security Governance
- Ethics & Leadership
- Security Sector Reform
- Change Management
![Wade Evans](/sites/default/files/styles/coh_x_large/public/2024-04/20220525_WadeEvans_FullBust.jpg?itok=vhfREB1U)
Wade Evans
Senior Principal
Regional Advising
- Security & Defense Policy & Strategy
- Ethics & Leadership
- Interagency Coordination
- Combating Terrorism & Violent Extremism
- Security Cooperation Planning
![Joel Kleehammer](/sites/default/files/styles/coh_x_large/public/2024-04/20231115_JoelKleehammer_FullBust.jpg.png?itok=i1cm5OCl)
Joel Kleehammer
Acting Senior Principal
Institute Operations
Principal for Program Support
Institute Operations
- Institute Operations
- Ethics & Leadership
- Security & Defense Policy & Strategy
- Interagency Coordination
![J. Matthew Vaccaro](/sites/default/files/styles/coh_x_large/public/2024-04/72_MatthewVaccaro_1.jpg?itok=Tb0hfbMv)
J. Matthew Vaccaro
Acting Deputy Director
Institute Operations
Senior Principal
Practice & Capability
- Change Management
- Civil-Military Relations
- Conflict Management & Resolution
- Security & Defense Policy & Strategy
- Security Sector Reform
![Scott Lyons](/sites/default/files/styles/coh_x_large/public/2024-04/72_ScottLyons.jpg?itok=28VUsPo2)
Scott W. Lyons
Principal for Africa, the Middle East, and the Western Hemisphere
Regional Advising
- Security Sector Reform
- Civil-Military Relations
- Democracy & Governance
- Conflict Management & Resolution
- Combating Terrorism & Violent Extremism
![Kathleen Peggar](/sites/default/files/styles/coh_x_large/public/2024-04/72_KathleenPeggar.jpg?itok=Ntmk9I1X)
Kathleen Peggar
Principal for Acquisition & Logistics
Practice & Capability
- International Negotiations
- Defense Acquisition
- Ethics & Leadership
- Europe
- Latin America
![David Radcliffe](/sites/default/files/styles/coh_x_large/public/2024-04/20220525_DavidRadcliffe_FullBust.jpg?itok=qWO-SXOL)
David Radcliffe
Principal for Cyber
Practice & Capability
- Cyber Strategy & Policy
- Security & Defense Policy & Strategy
- Change Management
- Interagency Cooperation & Coordination
- Security Cooperation
![James Ross](/sites/default/files/styles/coh_x_large/public/2024-04/10102023_James%20Ross%20FullSize.jpg?itok=IsrU-YPF)
James Ross
Principal for the Indo-Pacific
Regional Advising
- Indo-Pacific
- Civil-Military Relations
- Intelligence
- Security Cooperation Authorities
- Security Sector Reform
![Erik Stohlmann](/sites/default/files/styles/coh_x_large/public/2024-04/72_ErikStohlmann.jpg?itok=IPjilzOt)
Erik Stohlmann
Principal for Europe
Regional Advising
- Civil-Military Relations
- Security & Defense Policy & Strategy
- Ethics & Leadership
- Security & Defense Planning
- Europe