Christian Sarkar is an author, artist, and activist consultant dedicated to fostering positive change. He co-founded the Regenerative Marketing Institute with Philip Kotler and Enrico Foglia to promote regenerative practices that restore and sustain communities, ecosystems, and economies.

Sarkar also leads initiatives such as The Wicked7 Project, ActivistBrands.com, FIXCapitalism.com, and the $300 House Project. In 2021, he was named to the Thinkers50 Radar of global management thinkers for his groundbreaking work in brand activism.

He has co-authored several notable books, including Regenerative Marketing: The Future of Community (2022) and Brand Activism: From Purpose to Action (2018) with Philip Kotler. His latest work, Wicked Problems: What Can We Do in this Time of Collapse? (2025), tackles pressing global challenges.