Lawrence Patrick David Gillick is an American professional baseball executive. He served as the general manager of four MLB teams: the Toronto Blue Jays (1978–1994), Baltimore Orioles (1996–1998), Seattle Mariners (2000–2003), and Philadelphia Phillies (2006–2008). He guided the Blue Jays to World Series championships in 1992 and 1993 and the Phillies in 2008. He is a minority owner of the Phillies.