Mark Thompson

Mark Thompson counsels companies and trade associations on global compliance requirements applicable to finished foods, food additives, food packaging materials, cosmetics, industrial chemicals, and associated labeling in Asia, the United States (U.S.), and the European Union (EU). He also advises clients on the regulation of drugs and genetically modified organisms (GMOs) in Asia.

Mark began his career at Keller and Heckman in the Washington, DC office. From 2009 through 2016, he was based in the firm’s Shanghai Representative office, where he gained extensive experience and perspective on the regulatory scheme in China and throughout Asia. During that time, he assisted foreign and domestic companies in evaluating and securing new clearances for products in China, Japan, Korea, Taiwan, Thailand, and other Asian countries.

Mark is the co-host of Food & Chemicals Unpacked, Keller and Heckman’s podcast regarding the legal and scientific issues surrounding the food, chemical, packaging, and related consumer product industries. In addition, he is a contributing author to packaginglaw.com, which provides news and analysis of worldwide packaging regulations, and is frequently invited to speak at international regulatory conferences.

While in law school, Mark was a contract law teaching assistant and an Associate Editor for the Commlaw Conspectus. These experiences enhance his practice by providing a deeper insight into contract law and policy matters, respectively.

Insights & In the News

USA on Display: How 'Made in America' Claims Are Regulated

05.29.2026
Podcast

Food & Chemicals Unpacked: Green Claims Games: A Challenge to California's SB 343

04.27.2026
Podcast

Food & Chemicals Unpacked: Back in the PPWR: Revisiting the EU Framework for Packaging Su...

04.01.2026
Podcast

Mark Thompson Quoted in Food Processing Article on Ultraprocessed Foods

In The News
05.11.2026