Jacob Lemash

Jacob Lemash is a seasoned professional in product operations and private markets with extensive experience in managing and overseeing investment performance. Currently serving as Product Operations Manager at Maybern since 2025, Jacob focuses on customer success and feature development for fund intelligence software. Prior to this, Jacob held the position of Vice President at Blackstone, managing a $10B portfolio of alternative asset managers. Jacob's career also includes significant roles at GCM Grosvenor, where as Portfolio Manager, a portfolio modeling program for private markets was developed, and as Analyst, where underwriting and deal flow management were key responsibilities. Early experience includes a position at Credit Suisse and a role within the French Embassy in the United States. Jacob holds a Bachelor of Arts degree from New York University.