Maziyar Ghiabi is a professor and Director for the Centre of Persian And Iranian Studies (CPIS) at the University of Exeter. He studies politics, social history and the history of drug laws, and he is one of the co-authors of a 2018 study on Islam and cannabis.

Eric E. Sterling is the executive director of the Criminal Justice Policy Foundation, which advocates for drug policy reforms. From 2013 to 2017, he served on the Maryland Medical Cannabis Commission and helped author the state’s medical marijuana regulations. Sterling has written about Quaker teachings and drug law.

Matthew Schweich is the deputy director of the Marijuana Policy Project. This organization is working to change marijuana laws across the country by lobbying legislators and coordinating state campaigns. In 2018, Schweich worked on the Utah ballot initiative.

Rep. Allen Peake is a Republican member of the Georgia House of Representatives. He sponsored the 2015 bill that legalized medical cannabis in the state and has said that his Christian faith inspires his activism around the issue.

Hannah Hetzer serves as the Drug Policy Alliance’s senior international policy manager. She worked on the campaign that led to marijuana legalization in Uruguay and continues to research related policies around the world.

Newton Lee is chair of the California Transhumanist Party and president of the Institute for Education, Research and Scholarships.

Jane Mellett is a parish pastoral worker in the Archdiocese of Dublin. In 2018, she tweeted every line of Laudato Si’ to President Donald Trump to protest his environmental policies.

Emily Wirzba is a legislative representative on sustainable energy and the environment with the Friends Committee on National Legislation, a nonpartisan, Quaker organization.