Richard Robert Woolstenhulme Jr. (born September 20, 1979) is an American musician and the drummer of rock band Lifehouse.

While Woolstenhulme was in a music studio session, Lifehouse, then comprising Jason Wade and Sergio Andrade, was practicing in the adjacent room.

It was suggested that he check out Lifehouse, which was looking for a drummer to replace Jon "Diff" Palmer; in 2000, he joined the band.

In addition to his work with Lifehouse, he has performed on numerous recordings, including those of Shawn Colvin, Rihanna, Leigh Nash, Rocco Deluca, Britney Spears, Dave Matthews, and Palo Alto.

Woolstenhulme is married to Jenifer Hagio, a musician who co-wrote Michelle Branch's The Spirit Room.