Marisa Johnson is a healthcare marketing leader with 15+ years of experience building and scaling brands that transform care delivery. She currently serves as Head of Marketing at SmarterDx, where she joined as the company’s first marketing hire and has since built a team of 15, helping scale the clinical AI startup to a billion-dollar valuation and more than 50 health system clients.

Previously, Marisa led marketing at Level2 (UnitedHealthcare), driving consumer engagement for condition-specific health plans, and at Sanvello Health, where she spearheaded growth strategies that fueled over 1M app installs and a 125% increase in engagement. Earlier in her career, she held marketing leadership roles at Spok and contributed to thought leadership at the American College of Healthcare Executives.

Recognized for her ability to blend creative storytelling with data-driven strategy, Marisa has consistently delivered measurable impact across digital health, AI, and clinical collaboration.