He was a partner in the San Francisco office of Lewis Brisbois Bisgaard & Smith, California’s largest law firm, where he specialized in entertainment, media, and intellectual property cases as well as more general matters in the firm’s commercial litigation practice.

Prior to joining Lewis Brisbois in 2014, Dennis maintained one of the top entertainment and business-related litigation boutiques in Los Angeles for more than 20 years.

After Hastings he worked for a litigation firm in the financial district in San Francisco for two years.

Notable other roles included Collision Course, Kuffs, Haywire (mini-series) and Aspen Extreme, as well as television appearances in M*A*S*H, Hill Street Blues, Lou Grant and The Rockford Files.

Holahan also has served on the board of Worth Our Weight, a non-profit organization in Santa Rosa, California, which trains and educates teenagers and young adults who have survived foster care programs and teaches them how to work in the fine dining industry.