Mark Reisman is an operations executive with 11 years of senior experience who currently serves as Chief Operating Officer of Kastle Keeper LLC, a leader in senior life management and home services. He brings a rare blend of classroom-rooted empathy from his early teaching career and decades of procurement, sales, and operations leadership across IT services and technology resellers, driving measurable revenue and margin gains. Known for building trusted vendor partnerships and pragmatic procurement systems, he has led teams to double sales growth and improved profit margins through disciplined sourcing and service design. Based in Oak Brook, Illinois, Mark combines concierge-level customer care with operational rigor—an approach shaped by hands-on work in senior transitions and long-standing relationships across technology and senior-living markets.
11 years of coding experience
17 years of employment as a software developer
Bachelor of Arts (B.A.) Primary Education Special Education Political Science Western Civilization, Bachelor of Arts (B.A.) Primary Education Special Education Political Science Western Civilization at University of Iowa College of Education
Master of Arts in Education Primary Education/Special Education, Master of Arts in Education Primary Education/Special Education at National Louis University
History Psychology Childhood Development, History Psychology Childhood Development at Deerfield High School
Contributions:4 PRs, 21 pushes, 3 branches in 21 days
englandwildlife
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.