Fundraising FoxThe Halcyon Mafia
12 people came through Halcyon and went on to found or lead other companies.
Sam OwenFellowFounded Otolith Medical Devices & Equipment +1Lewis WanjohiFellowFounded Yoneda HealthChrissa McFarlaneUS Health FellowFounded PatientoryAmrita BhasinClimate FellowFounded SotiraDavid HojahSocial impact fellowFounded ParrotsDonat2026 Global Climate FounderFounded scout labsNikita GuptaHalcyon FellowFounded SymbaSundeep Reddy Mallu2026 Global Climate FounderFounded Resilience AIYossuf AlbanawiFellowFounded PilleveShannen-Kaylia HenryClimate FellowFounded CocoafiberDIGVIJAY SINGHFellowFounded Drizzle HealthAnjali DevadasanHalcyon Climate FellowFounded Treeva
Frequently asked questions
- What is the Halcyon mafia?
- The Halcyon mafia is the network of 12 people who came through Halcyon and went on to found or lead other companies, including Otolith Medical Devices & Equipment, Yoneda Health, Patientory, Sotira, Parrots.
- Who is in the Halcyon mafia?
- Notable members include Sam Owen (Otolith Medical Devices & Equipment), Lewis Wanjohi (Yoneda Health), Chrissa McFarlane (Patientory), Amrita Bhasin (Sotira), David Hojah (Parrots), Donat (scout labs), Nikita Gupta (Symba), Sundeep Reddy Mallu (Resilience AI), among 12 tracked members.
- What companies did Halcyon alumni found?
- Companies founded by Halcyon alumni include Otolith Medical Devices & Equipment, Yoneda Health, Patientory, Sotira, Parrots, scout labs, Symba, Resilience AI, Pilleve, Cocoafiber.