

John Thompson serves as the Deputy Assistant Secretary for Environment in the Department of State’s Bureau of Oceans and International Environmental and Scientific Affairs (OES). In this position, he is responsible for policies and programs in the areas of environment, conservation, wildlife trafficking, water resources, and global change.
From 2017-2019, Dr. Thompson served as Director for International Environment at the White House National Security Council and National Economic Council. Dr. Thompson oversaw White House international policy development on a full range of environment and oceans issues, including wildlife trafficking, conservation crimes, air quality, climate change, whales, and fisheries. He played a leading role managing White House engagement on these issues during the 2018 and 2019 Leaders meetings for the G7 and G20.
Dr. Thompson joined the Department in 2000 as an American Association for the Advancement of Science Fellow and spent the subsequent 18 years working in the OES environmental policy office and its front office.
Dr. Thompson holds a PhD in environmental engineering from Purdue University, focusing on advanced technologies for drinking water disinfection. He holds master’s degrees from Purdue in aeronautical as well as environmental engineering and a bachelor’s degree in physics from Rose-Hulman Institute of Technology.


Tiastary has worked in the Indonesian Customs since 1995, and has been stationed in six different Customs Offices across Indonesia in a variety of duties and positions. Over the course of that time, in between responsibilities with regard to the Harmonized System, Customs Valuation and cross border procedure, Tiastary is also active in activities that relate to the Indonesia Customs program that strives to increase work performance through gender empowerment strategies. In the last 2 years, Tiastary has been working at International Customs Affair (Directorate for International Customs and Excise Cooperation) has given her experience with working alongside her WCO colleagues across the world.

Dr. Arnoldo André Tinoco is the Minister of Foreign Affairs and Worship of the Republic of Costa Rica. A position he has held since 8 May 2022.
Previously, he served as a professor of International Law at the University of Costa Rica.
Between 2010 and 2013, he held the position of President at the Costa Rican Chamber of Commerce, and from 1997 to 2022, he acted as the Honorary Consul of Norway in Costa Rica. He is also an attorney and a founding partner of Lexincorp Costa Rica.
He holds a Doctorate in Law from the University of Hamburg, Germany.





