Graham Cullen

Graham Cullen is a seasoned engineering professional with extensive experience in research and development, design engineering, and team management. Currently serving as Principal Research Engineer at Dig Energy, Inc. since September 2024, Graham previously held the role of Senior Research Engineer at Desktop Metal from December 2020 to September 2024. As Director of Design Engineering at Veloxint from August 2018 to October 2020, responsibilities included overseeing product scale-up and coordinating with R&D and commercial teams, managing a team of two engineers and a budget exceeding $750,000. Earlier roles included Design Engineering Manager at Turbocam Inc. and Mechanical Engineer at the University of New Hampshire, where Graham also contributed as a teaching assistant and researcher. Early career experience consists of positions as a machinist/fabricator and apprentice electrician. Graham holds a Master’s degree in Mechanical Engineering from the University of New Hampshire and dual Bachelor's degrees in Chemistry from Clarkson University.