[3] Born to a Jewish family,[4] Baer attended Lowell High School in San Francisco and the University of California, Berkeley.

[9] Baer returned to the Giants in 1992 to help form the ownership group that kept the team in San Francisco when an attempt was made to move the franchise to Tampa, Florida.

[2] Other members of the group included Charles Bartlett Johnson, Harmon Burns, Scott Seligman, Allan Byer, David S. Wolff and Peter Magowan, the Giants' CEO from 1992 to 2007.

[4] In 1995, Baer received the Sports Torch of Learning Award from the Scopus Society of the American Friends of the Hebrew University.

[12] He is the Chairman and CEO of the Giants Development Services, which oversees the construction of Mission Rock, a 25-acre mixed-use neighborhood located near AT&T Park.

[4] In March 2019 near Oracle Park, a video was released of Baer in a physical altercation as he attempted to wrestle away a cellphone from his wife.