He may be best known as a bass guitarist and multi-instrumentalist for the Oakland, California indie rock bands Rogue Wave,[1] The Heavenly States,[2] and Release The Sunbird.

Masanori, also an award winning advertising art director, designer, and copywriter, has worked for clients ranging from the Target Corporation to the Tiger Woods Foundation.

Although not a serious venture, Masanori occasionally dabbles in modeling, voice-over and extra work for corporations such as UnitedHealth Group and the Investigation Discovery Channel.

Masanori is the older sibling of Los Angeles based musician and composer Ken Christianson.

-The album "You Can Feel Me" by Los Angeles, California singer Har Mar Superstar was recorded at Masanori's former Uptown, Minneapolis apartment in Minnesota.