Leon Ginsburg is the CEO and Founder of Sphere Partners, previously co-founder and CTO of Chairlift, Inc. Ginsburg has also served as an investor for REBEL and Sunbit, and holds membership with YPO. Ginsburg completed the Owner/President Management (OPM) program in Business Administration at Harvard Business School from 2015 to 2018. Additionally, Ginsburg attended Bar-Ilan University.