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David Harary

Board Chair

Named as a Top 30 Under 30 Leader in Sustainability by GreenBiz in 2017 and by Corporate Knights Magazine in 2016, David Harary is focused on mediating between science, management, and policy. He has experience consulting government agencies and companies in the space, financial, and environmental sectors. He’s previously helped design strategic communications plans with NASA Headquarters, has collaborated alongside policymakers on furthering economic security at the federal and state levels, and has fostered increased investments in corporate sustainability. Since 2014, David has led the Center for Development and Strategy and beginning in Fall 2019 is a Fellow with the Climate and Security Advisory Group, which is comprised of over 200 national security experts from the U.S. defense and climate science communities.


David’s research is multidisciplinary and covers ground in human security, intelligence, sustainability, trade, and space. His latest writing has been published in the Bulletin of the Atomic Scientists, Slate, The Jerusalem Post, the Woodrow Wilson Center’s New Security Beat, the Harvard Kennedy School Review and The Times of Israel with journal articles appearing in the Journal of Science Policy and Governance, Inquiries Journal and Cornell International Affairs Review. He holds an M.Sc. in Sustainability Management from the University of Toronto’s Institute for Management and Innovation and a B.A. in Economics and Geography and International Trade from the State University of New York at Buffalo.



Brian Malczyk

Executive Director

Brian serves as Executive Director of the Center for Development and Strategy 501(c)(3) and is a Customer Success Manager at Blue J Legal in Toronto, Ontario.

Brian completed the Master of Global Affairs program at the University of Toronto’s Munk School of Global Affairs and Public Policy. As part of his professional program, he completed a graduate internship at the UN Migration Agency in Geneva, Switzerland. He holds a Bachelor of Arts from the University of Toronto’s Munk School, where he led Canada’s oldest Model United Nations conference, and previously graduated as Valedictorian of St. Michael’s Choir School.

Brian’s writing has been featured in various mediums, including The Diplomat and The Jerusalem Post. Prior to CDS, he produced original research on US foreign policy as an International Fellow at the Centre for the Study of the Presidency and Congress.



Juan Jimenez

Director of Finance

Juan grew up in Pereira, Colombia before moving to the United States at a young age. He is currently working for Citigroup’s Investment Banking office in Buffalo, NY as a financial analyst with a couple years of experience in the industry. He has worked closely with David Harary to bring a financially sustainable business model to the Center for Development and Strategy by bringing in new sources of revenue and setting strict financial goals. What originally attracted Juan to the think tank, is its ability to have an impact on the community. Coming from a small developing country with poor economic roots, Juan is deeply affected by the many inequalities our society has created. He has pledged to do everything possible to give back to the community and CDS has created a unique avenue to do so.

Juan graduated with a Bachelor’s of Science in Business Administration at the State University of New York at Buffalo with concentrations in International Business and Financial Analysis. He served as the Treasurer for UB’s Student Association, where he oversaw a budget of over $3.4 million.

Tim Robinson

Tim Robinson


Tim Robinson was a fellow at the NATO Defense College in Rome in the summer of 2018, where he conducted research on Turkish Foreign policy and defense strategy, with a particular focus on Turkish Air-Defense Strategy. Tim completed the Master of Global Affairs program at the University of Toronto’s Munk School of Global Affairs and Public Policy. In addition to serving as CDS’s Editor-in-Chief, he previously served as Editor-in-Chief for Global Conversations, the Munk school’s student publication on a broad range of topics pertaining to global affairs. He previously earned a Bachelor’s degree in History from Queen’s University, in Kingston, Ontario.



Jeremiah Pariag

Director of Communications

Jeremiah is CDS’s Director of Communications and is working as a Public Affairs Consultant and Environmental Planner at Hardy Stevenson and Associates, Ltd. in Toronto, ON. He holds a Master’s in Environment and Sustainability and a B.A. in Political Science from Western University — as well a Professional Certificate in Energy Innovation and Emerging Technologies from Stanford University.

Jeremiah’s multidisciplinary background has enabled him to explore a wide range of career opportunities allowing him to work with: Ontario Power Generation, The Nuclear Water Management Organization, Microsoft, The Toronto and Region Conservation Authority, The Ministry of Natural Resources and Forestry, Hydro One, Toronto Hydro, KMW Energy, Peel Region, York Region, Metrolinx, Enbridge, and several others.

Bethlehem Belachew

Bethlehem Belachew

External Relations Manager

Bethlehem is the External Relations Manager with CDS. She holds an M.A. in Conflict Management and International Economics from the Johns Hopkins School of Advanced International Studies. Having been raised in an ethnically and linguistically diverse country, she is drawn to study the nature and drivers of intractable and identity-based conflicts. In the past, Bethlehem has worked with the Ethiopian Ministry of Federal Affairs in designing government approaches to preventing and managing the onset of conflict. Most recently, she worked with FARM Africa’s BRACED (Building Resilience and Adaptation against Climate Extremes and Disasters) project where she produced a quantitative and qualitative analysis on the benefit of microfinance institutions in helping low-income households recover from natural disasters.

Bethlehem is fluent in Amharic, Arabic, French, and English; and her areas of interest include: climate change and the onset of conflict, process and design of negotiations, and international organizations as mediators in conflict.


Sunny Petzinger

Middle East Analyst

Sunny Petzinger is the Middle East Analyst for the Center for Development and Strategy in Washington, D.C. She previously worked for nine years for the Secretary of the Air Force for International Affairs, managing security assistance in the Mideast and Europe. She has a Bachelor’s in international affairs from American University in International Affairs, including studies at the university’s Arabic Language Institute in Cairo, and a Masters from Tufts’ Fletcher School. From 2016-2017, she was part of the Civilian Expeditionary Workforce detailed to the US Army as the political and civil affairs adviser in Kandahar, Afghanistan. She has previously published writing in the Bulletin of the Atomic Scientists.

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Yaniv Cohen

Environmental Security Analyst

Yaniv is a graduate student at the Johns Hopkins School of Advanced International Studies. He focuses on global security issues and how they can be analyzed through a complex systems lens. Prior to beginning his studies at SAIS, he was a research intern at the Education for Peace in Iraq Center, where he co-authored weekly reports monitoring political, humanitarian, and security developments in Iraq, covering events such as the Kurdish independence referendum and the end of territorial control by the Islamic State in Iraq. Yaniv holds a Bachelor of Arts degree from the University of California – Berkeley in Peace and Conflict Studies, with concentration in conflict resolution and peacebuilding. He received High Honors for his undergraduate thesis analyzing Israeli-Palestinian people-to-people civil society peacebuilding efforts. Before moving to the United States, Yaniv grew up in Israel and served three years in the Israel Defense Force. He was the lead medic in Givati’s reconnaissance unit. Yaniv currently resides in Bologna, Italy.

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Joachim Roth

Sustainability Analyst

Joachim is a French national who currently serves as an Energy Policy Consultant with the International Institute for Sustainable Development (IIISD). His work is both qualitative and quantitative in nature as he vies to reform fossil fuel subsidies, phase-out coal in developing countries, and develop policies that enable an easy transition to renewables. Joachim previously worked as a research intern  at UNRISD (United Nations Research Institute for Social Development) to assist with various projects in the Social Dimensions of Sustainable Development programme, including projects on just energy transitions, and climate justice and sustainable development linkages. Joachim is interested in green growth, social policy, and how to integrate climate change policy with local livelihoods. His Master’s dissertation was on how to promote a solar industrial policy in India and the federal challenges of ensuring equitable development within different states.

Joachim also worked for LSE Enterprise and Cleary Gottlieb Steen and Hamilton. He also did an internship in Peru with Nexos Voluntarios, working on a community-based development scheme. He holds a Bachelor’s degree from McGill University in Political Science and Economics, and a Master’s degree in development studies from the London School of Economics and Political Science.


Geordie Jeakins

Environmental Security Analyst

Geordie Jeakins is an Analyst at Avascent, a management consulting firm, serving clients in public sector industries, including defense, aerospace, energy, healthcare, and infrastructure. Prior to joining Avascent, Geordie received a Master of Global Affairs and a Bachelor of Arts in History and International Relations from the University of Toronto. In addition to his role as an Environmental Security Analyst with CDS, Geordie’s writing has appeared in War on the Rocks, Global Conversations, Global Risk Observatory, and The Organization for World Peace.


Frederick Taylor

Sustainability Analyst

Frederick Taylor is a Master of Global of Global Affairs student at the Munk School of Global Affairs and Public Policy, University of Toronto. He previously completed an internship at the World Bank Group in Washington DC, where he focused on creating opportunities for private sector involvement in the Bank’s development projects.

Originally from the United Kingdom, Frederick holds a Bachelor of Science degree in Physical Geography from the University of Durham, specialising in climate change, natural hazards, Geographic Information Systems (GIS), and remote sensing. His dissertation utilised GIS and satellite data to investigate social and commercial risk from projected sea-level rise in the Vietnamese Mekong Delta.

Before university, Frederick was a ski instructor with the Swiss Ski and Snowboard School in Wengen, Switzerland. He remains a keen skier.

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Hannah Rundle

Sustainability Analyst

Hannah Rundle is a Sustainability Analyst with CDS and recently completed her Master of Global Affairs at the University of Toronto’s Munk School of Global Affairs & Public Policy. She brings scientific laboratory experience and communication skills into CDS. Previously, Hannah conducted paleoecological research investigating the impact of climate change on freshwater algae in the Adirondacks, NY. Passionate about transboundary resource management, Hannah holds certification in Integrated Water Resources Management from McGill University. Hannah is an advocate for accessible science communication and as such, she enjoys combining her knowledge of environmental science with an understanding of international affairs to explore a variety of environmental issues in the global context. She holds a B.Sc. in Biology from Queens University in Kingston, Ontario.


Joe Perez-Marchese

Global Security Analyst

Based in Phoenix, AZ, Joe served in the U.S. Air Force for over 4 years, working in military law enforcement, security and intelligence. He deployed to the Middle-East protecting US military and coalition forces in support of Operation Iraqi Freedom and Operation Enduring Freedom. After leaving the military he worked as an Armed Protective Security Officer for the Federal Protective Service within the U.S. Department of Homeland Security (DHS). He then went on to work as an Executive Protection Agent for ultra high-net-worth clients ranging from filmmakers to business moguls.

Joe currently is an interdisciplinary student at Arizona state University concentrating in business and sustainability. He plans to continue his studies in graduate school, specializing in international climate security and sustainable energy.