Meet Dr. Herriot Tabuteau, the Haitian immigrant who self-funded a $6 billion brain disorder company from a broom closet and quietly became a Black billionaire
Billionaires Africa | 05.04.2026 15:04
The first office of Axsome Therapeutics had three desks, no windows and so little natural light that the people who worked there started calling it the broom closet. It was in Rockefeller Center. The year was 2012, and Herriot Tabuteau had just walked away from two decades on Wall Street to start a drug company targeting central nervous system disorders, a field that most major pharmaceutical companies had been quietly exiting for years because the science was too hard and the returns too uncertain.
