Mike Singletary coached in the NFL from 2003 to 2016, spanning 12 seasons with 4 organizations. He served as head coach of the San Francisco 49ers. His roles included Defensive Assistant, Special Assistant, Linebackers, and Assistant Head Coach-Defense. He worked under Brian Billick, Jeff Fisher, and Leslie Frazier. 2 of his former assistants went on to become NFL head coaches.

Coaching Tree

Head Coach Offense Defense Special Teams General

Career Timeline

Career History

Year	Team	Role(s)
2016	Los Angeles Rams	Defensive Assistant under Jeff Fisher
2013	Minnesota Vikings	Special Assistant under Leslie Frazier
2012	Minnesota Vikings	Linebackers, Special Assistant under Leslie Frazier
2011	Minnesota Vikings	Linebackers, Special Assistant under Leslie Frazier
2010	San Francisco 49ers	Head Coach HC
2009	San Francisco 49ers	Head Coach HC
2008	San Francisco 49ers	Head Coach, Assistant Head Coach-Defense, Linebackers under Mike Nolan
2007	San Francisco 49ers	Linebackers, Assistant Head Coach-Defense under Mike Nolan
2006	San Francisco 49ers	Linebackers, Assistant Head Coach-Defense under Mike Nolan
2005	San Francisco 49ers	Assistant Head Coach, Linebackers under Mike Nolan
2004	Baltimore Ravens	Inside Linebackers under Brian Billick
2003	Baltimore Ravens	Inside Linebackers under Brian Billick

Worked Under (4)

Coach	Team	Years
Brian Billick	Baltimore Ravens	2
Jeff Fisher	Los Angeles Rams	1
Leslie Frazier	Minnesota Vikings	3
Mike Nolan	San Francisco 49ers	4

Protégés (2)

Coach	First HC Job	Year
Jim Tomsula	San Francisco 49ers	2015
Vance Joseph	Denver Broncos	2017