He has worked as a composer on The Significant Other, Ball In The House, Sally Jessy Raphael, Happiness (1998), The Suburbans (1999), Forever Fabulous (1999), Drawing Angel (2001), Series 7: The Contenders (2001), Home Delivery (2004) and Equality U (2008).
He is credited as keyboard player and arranger on albums by Eric Clapton, Aretha Franklin, Barbra Streisand, Billy Joel, Whitney Houston, Bee Gees and several others.
He filled in for Paul Shaffer Late Show with David Letterman on two episodes, in 1994 and 2003, and played keyboards in the band on many other occasions.
In 2010 Kondor joined the Troubadour Reunion Tour supporting James Taylor and Carole King.
Kondor is married to singer and musician Emily Bindiger; they live in North Salem, New York.