Gregg has served as a trainer and mediator for the Long Island Dispute Resolution Centers for over a decade, providing in service training for EAC mediators on culture and how it can impact the mediation process.

Additionally, Gregg brings over 10 years of experience in higher education as an adjunct professor. He has taught undergraduate and graduate courses (in-person and online) in marketing and management disciplines, with a focus on the importance of communication skills and management leadership development. 

Gregg has a BA in Cultural Anthropology with a minor in Sociology, a Master of Science in Restorative Practices, and an MBA. He also holds a leadership certificate from Adelphi University and is a licensed trainer for circles by the International Institute of Restorative Practices.