As conductor, Richman was music director for the Knoxville Symphony Orchestra from 2003 to 2015.[4] Richman has been current music director for the Bangor Symphony Orchestra since 2010.[1]
As composer, Richman premiered his work "Behold the Bold Umbrellaphant" with the San Diego Symphony, with poetry by Jack Prelutsky.[6] The Pittsburgh Symphony Orchestra commissioned Richman to write his "Concerto for Oboe", which premiered in October 2013. The Symphony recorded the work with principal oboist Cynthia DeAlmeida in 2015.[7]
Richman composed and arranged a collection of traditional and original lullabies for children entitled: Day Is Done.[3]
On March 30, 2019 the Oak Ridge Symphony Orchestra & Chorus performed the world premiere of Richman's Symphony: This Will Be Our Reply for orchestra and chorus.[8] The work was inspired by the quote: "This will be our reply to violence" by composer Leonard Bernstein.[9]
On July 4, 2024, Richman was selected as an honored artist of the American Prize.[10][11]
Richman was commissioned to compose a chamber opera entitled Blood & Breath, which premiered on October 19, 2024 at the Vatican in Rome.[12][13][14]