Mr. Clausen has been teaching vocal music in the LBUSD since 1997. He received his BA in Music Education from Cal State Fullerton along with his teaching credential. He also holds a Masters of Music in Choral Conducting from Cal State Los Angeles. Mr. Clausen is an avid performer and has been a singer in such well-known groups as the Los Angeles Master Chorale, the Pacific Chorale, the John Alexander Singers and the Don Brinegar Singers. He has served as an adjudicator for school festivals, an Honor Choir Director and has been a speaker at several choral conventions and workshops concerning vocal music in middle school.