In 1976, Winton founded Publishers Group West (PGW), and served as chairman and CEO for 25 years.[1][2] In 1994, he created a sister corporation, Avalon Publishing Group and served as its CEO.[3] In 2002, PGW was sold to Advance Marketing Services.[3] Winton and his partners maintained the ownership of Avalon Publishing Group.[1]
In 2007, Avalon was sold to Perseus Books Group.[4] Winton's latest venture, Counterpoint LLC, was created concurrently with the sale of Avalon via the acquisition and merger of three independent publishers: Counterpoint Press, Shoemaker, and Hoard and Soft Skull Press.[5][6] The company maintains offices in Berkeley, California.[7]