Mathews has contributed commentary to the E! networks various 101... specials, and appeared as a weekly panelist on E's late night talk show Chelsea Lately.
He appeared on the fifth season of VH1's reality television show, Celebrity Fit Club. During the course of the show, which premiered in April 2007, Mathews lost more than 40 lbs. and helped his team win the grand prize.
Mathews was a guest host on The View (July 17, 2007), one of the very few men to sit on the panel. Former co-host Rosie O'Donnell is Mathews' mentor, according to the Celebrity Fit Club finale.
Mathews appeared as a celebrity mob member on seven episodes of NBC's prime time game show 1 vs. 100 in early 2008 with his winnings going to an animal adoption charity.
Since 2011, Mathews has appeared a recurring guest role on the NBC daytime drama Days of Our Lives as Chris.
In 2009, Mathews was a contributing correspondent on The Insider and hosted a web show with The Insider called Inside Dish With Ross Mathews, where he took his viewers behind the scenes, as an "outsider" in Hollywood. "Inside Dish" became the official online web-shows for CBS's Big Brother and The Amazing Race.
In January 2011, Mathews starred in a pilot that he produced and co-wrote with fellow Chelsea Lately roundtable regular Heather McDonald. Titled Love or Hate, the pilot was made for the E! Network and was executive produced by Chelsea Handler and her company Borderline Amazing Productions.
Mathews also appeared in the E! Network's After Lately, a show about the behind the scenes of Chelsea Lately.
By September 2011, Mathews had formally moved on from The Tonight Show, returning for guest appearances, including for the "Woulda, Coulda, Shoulda" skit on December 14, 2011.
At the end of 2015, Ross began filling in as a guest host on Hollywood Today Live, which is syndicated on Fox. He became a permanent host on January 4, 2016.
Mathews is openlygay. Since 2008, he has been in a relationship with stylist Salvador Camarena. In 2013, the couple appeared in an episode of House Hunters while shopping for a home in Palm Springs.
He was also on an episode of "Hollywood Medium with Tyler Henry" which aired on 2/14/16.
↑Terry Birdsall, "Ross, the Intern" La Verne Magazine Spring (2002). Accessed July 17, 2007. "Ross was president of the debate team his senior year. He performed individual events for the team, was state champion for two events and was sent to the nationals."
Kenyon Glover (S1), Keon Hunt (S1), Preston Taylor (S1), Emanuel Palmer (S2), Max "The Body" Philisaire (S2), Shawn Morales (S3-6), Jason Carter (S3-AS3), Miles Davis Moody (S6-9), Simon Sherry Wood (S6), Bryce Eilenberg (S7-AS3), Jared North (S9), Yadier Despaigne (S9)