
Rich Waller is President and CEO of WellStack, a Madison, Wisconsin-based healthcare data platform that helps provider and payer organizations build a unified data ecosystem for AI, analytics, and population health management. A 20-year veteran of healthcare technology, Waller co-founded VisiQuate - a healthcare revenue cycle analytics company - before joining WellStack to lead its expansion into enterprise healthcare data infrastructure. He is known for his client-centered philosophy and belief that growth strategy is a team sport.
David Craig, MD is the CEO of Spruce Health, a San Francisco-based HIPAA-compliant healthcare communication platform serving 25,000+ healthcare providers. A Stanford-trained emergency medicine physician who began coding in his teens, Craig brings rare dual fluency in medicine and software engineering. He joined Spruce in 2014 as Chief Medical Officer before taking the CEO role in late 2021, and still works weekly ER shifts to keep his clinical perspective sharp while leading a team building the communication infrastructure for modern healthcare.