Rev. Tetsuo Unno studied at U.C. Berkeley, Ryukoku University (Kyoto), Tokyo University, and UCLA. He served as Minister at Buddhist Churches of America's Seattle and Senshin (L.A.) Buddhist Churches. He has taught Religious Studies at California State University, Northridge and Long Beach.

Rev. Unno is the author of the foreword in Naturalness: A Classic of Shin Buddhim by Kenryo Kanamatsu