Lester Black is an independent journalist. His work has been featured in Popular Mechanics, The Guardian, and FiveThirtyEight.com. He has appeared as a cannabis expert on Good Morning America, ABC News’ Start Here, CBC’s Day 6, and Dan Savage’s Lovecast.

Lester has written extensively about cannabis since 2017. He has published pioneering investigations into many cannabis topics, including minor cannabinoids, cannabis lab testing fraud, and the EVALI vape crisis.