Indian origin techie raises $55 mn for AI startup after scan missed father’s heart attack risk

Nishith Khandwala raised $55 million for his AI startup, Bunkerhill, after a scan missed his father’s heart attack risk. The latest $25 million round was announced on July 16, 2026. Vinod Khosla said, “hospitals are becoming much more willing to adopt new software now that AI is showing real value.”