- Managed Services
- About Us
Harry Choi is Kastle Systems’ General Manager of Enterprise Accounts, a business unit dedicated to serving national enterprise clients as a single service provider from sales to support. Harry has over 15 years of domestic and international sales, operation and support experience in IT, cloud and security managed services field. Before joining Kastle, Harry held various management and leadership positions at Digital Signal Corporation, Blackboard and MCI/WorldCom. Harry is a graduate of the George Washington University’s Elliott School of International Affairs and University of California, San Diego.