Diana Gelston is President and Managing Partner ar Decimal Health. Diana joined Decimal at a pivotal moment as the firm expands its impact across three powerful growth engines: Decimal Health, its strategy consulting and commercialization business; Ecosystem Development, like CancerX - the national collaborative advancing innovation in oncology; and AccelerOnc Studio, the venture focused on building, scaling, and investing in breakthrough oncology innovation.

Diana brings over 30 years of experience driving transformation and growth across healthcare, digital health, and technology. She has held senior leadership roles at Best Buy Health, Amazon Business Healthcare, Fresenius Medical Care, Philips Healthcare, and several innovative start-ups, managing over $2B in P&L and $5B in business transformations. Throughout her career, she has built and led high-performing teams that deliver commercial excellence, inspire innovation, and create meaningful impact for patients, partners, and communities.

As President and Managing Partner, Diana will lead strategy, operations, and growth across Decimal.health and Ecosystem development initiatives, with a focus on driving growth for AccelerOnc Studio and broader innovation initiatives.