Mark Tustain

Mark Tustain is an experienced professional in tax technology and compliance, currently serving as Senior Manager - Global Partner Enablement at Vertex Inc. since April 2020. Tustain's previous roles at Vertex include Lead Consultant for the Alliance Enablement Function in Europe and CoE Consultant IV for Indirect Tax Technology Implementations. Prior to Vertex, Tustain worked at PwC as Onboarding Indirect Compliance & Technology Manager, overseeing the transformation solutions for new clients into STARS technology. Tustain also held supervisory and specialist roles at RELX Group and Reed Elsevier, where responsibilities included managing tax technology teams and serving as the Single Point of Contact for software integration projects. Tustain's foundational education was completed at Magdalen College School from 1997 to 2003.