Ryen Slegr is an American musician best known for being a member of the rock band Ozma.^[1] He is also affiliated with The Rentals, Weezer, and Rachel Haden.

In 2006, Slegr performed with The Rentals on their U.S. tour with Ozma. He also engineered and played guitar on The Rentals' 2014 Polyvinyl release Lost in Alphaville.

Slegr co-wrote the song "Eulogy for a Rock Band" on Weezer's 2014 Universal Records release Everything Will Be Alright in the End.

In 2012, Slegr played guitar and keyboards for Rachel Haden at several shows in Los Angeles and San Francisco in a band with Adam Phaler of Jawbreaker and Warren Defever of His Name is Alive.

Slegr graduated from the University of California, Los Angeles with a degree in history. He also studied Japanese court music called Gagaku at UCLA and took various music classes at Pasadena City College, including Spud Murphy's Equal Interval System.

• Rock and Roll Part Three (Kung Fu, 2000)
• The Doubble Donkey Disc (Kung Fu, 2001)
• Spending Time on the Borderline (Kung Fu, 2003)
• Pasadena (About A Girl/Sony BMG, 2007)
• Boomtown (2014)

• The Last Little Life EP (Boompa Records, 2007)
• Songs About Time (2009)
• Lost in Alphaville (Polyvinyl Record Co., 2014)

• "Everything Will Be Alright In The End" (2014)

• Eleven Runners (2011)