John Tumminaro

John Tumminaro is an experienced technology professional with a diverse background in enterprise data, AI, architecture, cloud services, and security. Currently serving as the Owner and Chief Consultant at Misty Mountain Services LLC since May 2025, Tumminaro previously held the position of VP Technology at GlobalLogic, where strategies in data, cloud migration, and digital transformation were established. Before this, Tumminaro was a Director in the US Advisory Group at PwC, overseeing architecture and data governance for an analytics platform. A Chief Architect at Intuit and co-founder of Obopay, Tumminaro has also served as CTO at Chordiant, focusing on advanced R&D and product feasibility. With a solid foundation in computer science from Northern Illinois University and Harper College, Tumminaro's career spans over three decades, marked by significant contributions to scalable technology solutions and architecture across various industries.