He is a singer and guitarist born in 1948 in California.He was a neighbourhood friend of the
Wilsons and when Al Jardine
left for college he was asked to take his place in the Beach Boys although
he was just aged 14.He sang
with them until 1963 when he had an argument with Murry Wilson.After he left the band he formed
David and the Marksmen and then in 1966 he joined Casey Kasem's
Band WithNo Name
followed by working with the psycho-pop group The Moon with
Matt Moore.He was then a
private student studying jazz and classic guitar at Berklee School of Music
and The New England Conservatory.He was offered to rejoin the
band in 1971 when Bruce Johnston left, but he declined.He did rejoin them in 1997 but left
again in 1999 due to complications with Hepatitis C.He has since become an advocate and
spokesman for Hepatitis awareness although he has since been cured.He continues to work as a
singer/songwriter and musician and tours with a variety of bands.He is related to Sadye Marks who was
Jack Benny's wife.