Gregor is an architect. He received his diploma in architecture from the Technical University of Aachen. In 2007, he completed his PhD. at the Technical University of Berlin. After ten years of professional experience in the construction industry, acquired in the planning and construction management of international large-scale projects, he was appointed professor for construction, planning and construction management at the Jade University of Applied Sciences in Oldenburg in August 2018. Here he teaches architecture students in the Bachelor's and Master's degree programmes in the subjects of building design, construction management and the digital planning.