- Founded The David Nix Agency 1993
- Certified Insurance Counselor since 1991
- Graduate of Texas A&M with a BBA in Marketing (1980)
- Active in Texas A&M Foundation
- Legacy Society Member
- Chancellor's Century Council
- 12th Man Foundation
- Association of Former Students
- Community Activities
- Past Chairman of the Board Temple Chamber of Commerce (2014)
- Past Chairman Temple Economic Development Corporation (2018)
- Past Chairman Temple Business League (2012)
- Past President Rotary Club of Temple (2001-2002)
- Past President Leadership Temple (1989-1990)
- Past member Temple Reinvestment Zone board of directors
- Past President Independent Agents of Temple
- Member Texas A&M Central Texas President's Advisory Board
- Attends First Baptist Church of Temple
- Hobbies include: A&M Sports, Golf, Hunting/Fishing, travel