He is head coach of the Buffalo eXtreme of the American Basketball Association, and also sport management consultant for Villa Maria College.

[11] Jacob was head coach for the Western Region team of the Empire State Games from 1987 to 1990, leading his 1989 squad that included Duke University star Christian Laettner to a silver medal.

[18] In their inaugural season, Jacob coached the 2005–06 Buffalo Rapids to an American Basketball Association playoff berth.

[21] After being named head coach and general manager for the Buffalo Stampede of the Premier Basketball League, he resigned before their 2009 season began.

[22][23] He served as assistant coach for Erie Community College under Alexander Nwora from 2010 to 2017, winning consecutive NJCAA Region III championships in 2010–11 and 2011–12.

[26] In their inaugural season, Jacob coached the 2023–24 Buffalo eXtreme to an American Basketball Association playoff berth.

[34] He serves on the Board of Directors for the Jordan Nwora Foundation, a nonprofit organization dedicated to teaching children the game of basketball.

[35][36] In 2017 he authored John Tavares: Soul to the Goal, a biography of the National Lacrosse League Hall of Fame inductee.