[1] He is best known for his work Gen Silent, a documentary about gay, lesbian, bisexual and transgender older people who hide their sexuality or gender change in order to survive in the long-term care system.

His family moved to Kansas City, Missouri where he first discovered his passion for film and television by organizing his high school friends into a production company that created public access programs.

[4] Bob and Jack's 52-Year Adventure is a self-narrated documentary about a United States Army sergeant who was courted by his commanding officer in 1952 post-World War II Germany.

[8] Gen Silent is a documentary about gay, lesbian, bisexual, and transgender older people who face discrimination in long-term care because of their sexual identity or non-normative gender preference.

[1] The documentary was filmed over a year in Boston, Massachusetts and documents the challenges faced by the six gay seniors whose sexuality or gender change causes them to be isolated and not receive the same long-term care as elderly heterosexual individuals.

[2] The film became critically acclaimed and received positive reviews from numerous media outlets including the Chicago Sun-Times which called it "one of the most important LGBT documentaries to come out this year.

[1][11] Maddux's documentary film Reel in the Closet (2015) features LGBTQ home movie and video footage, and stresses the importance of finding, restoring, and preserving this aspect of LGBT history.