Gregson studied at the New York Studio and Forum of Stage Design under Lester Polakov, worked as an assistant to Peter Wexler at the Metropolitan Opera and as stage artist at theaters throughout New York City. In 1995, Gregson began to create abstract paintings, exhibiting them throughout the United States and internationally in Italy and France. He established a permanent collection of self-taught art at Meadow Farm Museum and has organized many exhibitions. He has been a guest critic and speaker at Virginia Commonwealth University, a lecturer at the South Eastern College Arts Conference and a speaker at Virginia Association of Museums and at universities across Virginia. In 2005, he founded the artists collective “Constructs,” a group of primarily abstract painters associated with various Colleges and Universities in the region. He has worked on special projects in the University of Mary Washington Art Department. His paintings are represented in the corporate collections of Capital One, Kaiser Permanente, Markel Corporation, and Sun Trust Bank, and in the permanent collections at the American Embassy in Guinea, Africa, Longwood University in Farmville, the Taubman Museum in Roanoke, Virginia, and in prestigious collections such as Bill and Pamela Royall, donors to the Virginia Museum of Fine Arts 21st century contemporary art collection. Mr. Gregson spends his time between his studios in Fredericksburg and Northern Neck, Virginia and traveling extensively.