With collaborator Steve Multer (ASCAP, Dramatists Guild, AEA), Multer & Multer actively license their music for TV, film, podcasts, corporate, and commercial placements including: ABC, CBS, HBO, Netflix, Disney Channel, Starz/Encore, Hulu, USA, Univision, MGM/ABC Family, and Amazon Originals. Their jazz and Big Band compositions continue to receive radio airplay in over 150 broadcast markets worldwide and have been featured on four compilation disc releases by SONY/BMG; In Love With Jazz, The 1st Swing Boulevard, The Best of Smooth Jazz Christmas, and In Love With Jazz Vol. 3.

Multer & Multer’s first original musical, code name: CYNTHIA, received its premiere production in 2015 with Pallas Theatre Collective, Washington D.C. ("A tightly crafted show (and) story whose romance, glamor and high-stakes suspense seem gifts from the espionage-tale gods.” - The Washington Post.)

A composer and arranger, Karen holds a Bachelor’s of Music in Commercial Music Composition/Production from Northwestern University, having written jingles for Wrigley, McDonald’s, Ford, Snickers, Oshkosh B’Gosh, and the Miami Board of Tourism, among others.