Hollinquest attended Pius X High School in Downey, California. After spending a year at a junior college to get his academics up, he played college football at USC, Hollinquest started his career as a safety but then moved to linebacker after an influx of recruits and transfers as a senior. It is widely believed Hollinquest introduced USC QB Todd Marinovich to social drugs while they were roommates at USC.
Professional career
Washington Redskins
Hollinquest was drafted by the Washington Redskins in the eighth round of the 1993 NFL Draft. In his two years with Washington, Hollinquest recorded 22 tackles and an interception. The Redskins waived him near the end of the 1994 season.
Hollinquest was picked up by the Cincinnati Bengals in time for their December 21, 1994, game, but was inactive and was later cut before the 1995 season started.
Following a tryout, Hollinquest played for the Green Bay Packers starting in the 1996 season. He immediately made an impact on special teams, finishing the year with 15 tackles. He was part of the Packers' Super Bowl XXXI championship team. Hollinquest continued to get more playing time throughout his career in Green Bay, with his tackles increasing each year. The Packers did not re-sign Hollinquest after the 1998 season. After he was cut by the Chiefs, the Packers signed Hollinquest in August 1999 due to a lack of depth at linebacker and the retirement of Robert Brooks. After the NFL suspended Hollinquest for the first four games of the season due to substance abuse problems, the Packers cut Hollinquest on August 30, 1999.
On February 8, 2013 Hollinquest was arrested in Maricopa county Arizona for narcotic drug possession and use, possession and use of drug paraphernalia and driving with a suspended/revoked license. Hollinquest is an executive for the Blaq Ice Entertainment company. He also founded his own apparel line, Urban Grunge. Both companies are considered financially insolvent by Dun and Bradstreet. He has three kids, Chaz, Courtney and Kohl. On April 4, 2013 in Maricopa county Chaz was arrested for Marijuana possession with intent to sell.