Here's his Bio and coaching experience prior to returning to Colorado (and source)
Date of Birth: Oct. 10, 1957,Denver
High School: Arvada, Colo., High School
College: Texas-El Paso (1980
Playing experience: UTEP defensive back, 1977-80
Family: Wife, Stacie, daughters Hannah and Grace
Greg Brown's Coaching History
1981 Graduate assistant, defense, UTEP
1982 Defensive assistant Green Mountain High School Lakewood, Colo.
1983-84 Secondary coach. Denver Gold, USFL
1984 Defensive QC, Tampa Bay Buccaneers
1985 Offensive QC, Tampa Bay Buccaneers
1986 U-Back/TEs, Tampa Bay Buccaneers
1987-88 Secondary coach, Wyoming
1989-90 Secondary coach, Purdue
1991-93 Secondary coach, Colorado
1994 Secondary coach, Atlanta Falcons
1995-96 Secondary coach, San Diego Chargers
1997-98 Secondary coach, Tennessee Oilers
1999 Secondary coach, San Francisco 49ers
2000-01 Secondary coach, Atlanta Falcons
2002 Defensive QC, New Orleans Saints
2003-05 Cornerbacks coach, New Orleans Saints
2006-09 Defensive pass coordinator/DBs
http://www.arizonawildcats.com/sports/m-footbl/spec-rel/011110aaa.html