R.S.(Bob) Jensen is an American songwriter from California's Central Coast. Bob bought his first guitar at the age of 12, forming his first band in the eighth grade. By 15, when services were not being held, he was jamming on the neighborhood church's Hammond B3. At 16 he took up the sax and flute.

Bob was a member of the Cuesta College Jazz Band (CA) that was invited to perform at the Montreux Jazz Festival. At the same time, he was woodwind player and arranger for a power horn section with San Luis Obispo (CA) based rock band: "Lee and Friends". Bob studied briefly with the Don Ellis and Stan Kenton Orchestras and is a past member (guitar, keyboards) of the Los Altos (CA) based band: "Tone Daddy".

Bob holds a degree in Music Composition, having studied composition with Dr. Jack Fortner and theory with the late Dr. Steven E. Gilbert. More recently, Bob studied Audio Mastering with Berklee under GRAMMY nominated Jonathan Wyner, Songwriting with Neil Diercks and Audio Mixing with Alejandro Rodriguez.