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Jonathan Um

Chief Operating Officer & Co-Founder, Hollar

Jonathan is the Chief Operating Officer & Co-Founder of Hollar (, the World’s First Online Dollar Store.  As COO, he has led all Operations and Merchandising for Hollar since Day 1.  Jonathan oversees all aspects of Hollar’s Digital Supply Chain from product sourcing, shipping to customer service and has built an industry leading Fulfillment Center (200 sqft) based in Los Angeles, CA.  Hollar was named the #1 Tech Company to Watch of 2017 and has been at the forefront of supply chain innovation and automation in the dollar industry with the implementation of the InVia Robotics System.


Prior to his role at Hollar, Jonathan served as the Head of Strategy for 99 Cents Only Stores and was a Management Consultant for McKinsey & Company.  He served as an Infantry Officer in the U.S. Marine Corps.  He completed a Combat Deployment as an Operations Advisor to the Anbar Police based in Ramadi, Iraq.


Jonathan graduated with a BA from Harvard College, and received an MBA from UCLA and a JD from Columbia Law School.

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