BOSTON--(BUSINESS WIRE)--PSG, a leading growth equity firm that specializes in partnering with software and technology-enabled services companies to capitalize on transformational growth, announced the firm has completed the sale of its minority stake in SevenRooms, a New York City-based software company and a global leader in hospitality technology, to DoorDash (NASDAQ: DASH). The transaction is part of DoorDash’s $1.2 billion acquisition of SevenRooms. Founded in 2011 by Joel Montaniel, Allis