Dr Thiessen, a licensed clinical psychologist, specializes in the psychology of music and considers music an invaluable tool in the prevention and treatment of psychological disorders. In addition to being a highly-respected practitioner, University Instructor and
skilled writer, Dr Thiessen, aka, Dr B.L.T., is a songwriter whose songs have aired repeatedly on independent radio stations worldwide whilst he himself had a cameo on MTV-award-nominated, top hit music video for Cake’s Short Skirt/Long Jacket.

Dr. BLT has been publicly praised by artists from P!nk to the late Buck Owens, who compared him to Johnny Cash. Dr. BLT starts every morning by writing 3-minute songs in 2 minutes, on the spot, and in multiple genres.