Yifan Zhang is the CEO & Co-Founder of Pact (formerly GymPact), a fitness app startup backed by Khosla Ventures and Max Levchin's HVF Labs. Pact gives cash incentives for living healthy, and has been featured in NYTimes, Boston Globe, TechCrunch, Entrepreneur, and more.

Prior to this role, Yifan founded fashion nonprofit Styleta and worked with Boston VC Flybridge Capital Partners while attending school. Yifan was named Forbes 30 under 30 for Consumer Tech, and Most Impressive New CEO by the Boston Globe while part of Techstars Boston. She's currently an advisor to fashion startup Markable.

Yifan graduated magna cum laude in Economics from Harvard University.