Zack Leiner

Zack Leiner currently serves as Head of Business Services at Counterpart since October 2025. Prior to this role, Zack was VP of Strategy and Operations at The Internet of Behaviors Company from January 2024 to October 2025, and Chief of Staff as well as Head of GTM Strategy and Operations at Mona Labs from February 2020 to January 2024, focusing on enhancing transparency for data science teams in AI/ML production. Zack's earlier experience includes roles as Strategy Manager and Senior Strategy Analyst at ADP from January 2018 to February 2020, and as MBA Summer Associate in Strategy and Operations at ACI Worldwide in 2017. Zack began career efforts as a Customer Success Manager at PulteGroup from January 2016 to May 2017. Zack holds an MBA from the University of Florida and a Bachelor's degree from Florida Gulf Coast University.