Bill Cupelo

Bill Cupelo is the Chief Business Officer of Ratio Therapeutics, a Boston-based biotech building targeted radiopharmaceuticals that aim to both image and treat cancer. A chemist by training who learned to sell science, he spent more than a decade at imaging CRO Invicro, climbing from software product manager to head of sales, before bringing his sponsor-side, science-first mindset to Ratio's pipeline of alpha-emitting radioligand therapies. He also serves as Treasurer of the Massachusetts Nuclear Medicine & Radiopharmaceutical Council.