For comments or an interview, please contact one of our experts below directly.

If you cannot reach them or are unsure to whom you would like your queries directed, please contact:
Tasneem Jamal +1 519 888-6541 ext. 24306, Communications and Fundraising Officer


John Siebert +1 519 888-6541 ext. 24302; cell +1 519 591-3227ExpertJohn

  • Peace and security in the Horn of Africa
  • Armed violence reduction and development
  • Religion and conflict
  • Canadian defence and foreign policy


John Siebert joined Project Ploughshares as Executive Director in 2005. For Ploughshares John has headed research and policy consultation processes in the Horn of Africa and the Caribbean, including contributions to the creation of a sub-regional peace and security architecture and addressing the security implications for implementation of the Comprehensive Peace Agreement (2005) in Sudan. He has conducted field level research and analysis on the relationship between armed violence reduction and development programming in Kenya, Uganda and Sudan. John also chairs the Governance Group of the Space Security Index project, an international research consortium that annually publishes a review of threats to the shared use and benefit of outer space. He has written extensively on the Responsibility to Protect (R2P) and Canadian military expeditionary missions to Afghanistan, Libya and Mali. Previously John served as a Foreign Service Officer with the Department of External Affairs with a posting to the Canadian Embassy in Washington, D.C., and as a staff member and consultant with non-government organizations in Canada and overseas.


Cesar Jaramillo +1 519 888-6541 ext. 24308ExpertsCesar

  • Non-weaponization of space
  • Canadian and international laws and policies on outer space
  • Nuclear disarmament

Cesar Jaramillo is a Program Officer at Project Ploughshares working on the Space Security and Nuclear Disarmament programs. He manages the Space Security Index (SSI), an international research consortium focused on research and analysis of space security trends, and is managing editor of the SSI’s annual report. Cesar also leads the implementation of Ploughshares’ nuclear disarmament initiatives. He graduated from the University of Waterloo with an MA in global governance and has bachelor’s degrees in honours political science and in journalism. Prior to joining Project Ploughshares, Cesar held a fellowship at the Centre for International Governance Innovation (CIGI), an international think-tank that addresses international governance challenges.


Kenneth Epps +1 519 888-6541 ext. 24305ExpertsKen

  • Arms Trade Treaty

Kenneth Epps is Policy Advisor on the Arms Trade Treaty at Project Ploughshares. He worked for Ploughshares from 1986 to 2014, and conducted research and policy analysis on issues related to small arms and light weapons, the international arms trade, and Canada’s military industry and he maintains a unique database on Canadian military production and exports. For 20 years he also was the contributing editor of Project Ploughshares’ Armed Conflicts Report. Kenneth has participated as NGO advisor on Canadian delegations to United Nations conferences on the Programme of Action on Small Arms and since 1999 he has been the Project Ploughshares representative on the international NGO Steering Committee promoting a global Arms Trade Treaty.