Background
Lassally was born into a Jewish family in Hamburg, Germany. In 1943, Lassally and his mother and sister were interned at the Westerbork Nazi concentration camp and then Theresienstadt in Czechoslovakia.
Lassally was born into a Jewish family in Hamburg, Germany. In 1943, Lassally and his mother and sister were interned at the Westerbork Nazi concentration camp and then Theresienstadt in Czechoslovakia.
Lassally graduated from Newtown High School.
In 1947, the family immigrated to New York City. In 1951, he became a page at the National Broadcasting Company network studio. Lassally worked on radio shows including Monitor, "Nightline" and "The Nation"s Future." In the 1950s, he became producer for Arthur Godfrey"s television show.
In the 1960s, Lassally took over as an executive producer of The Tonight Show Starring Johnny Carson.
After Carson retired in 1992, Lassally became the executive producer of The Late Show with David Letterman. He was also executive producer of The Late Late Show with Tom Snyder from 1995 to 1999 and mentored Jon Stewart when he was a guest host filling in for Snyder.
He went into semi-retirement until 2004 when Lassally was asked by the Columbia Broadcasting System network and Worldwide Pants, Letterman"s production company, to oversee the selection of a new Late Late Show host after Craig Kilborn abruptly left. Auditions were hold on the air over several months and Lassally recommended Craig Ferguson, persuading Columbia Broadcasting System and Letterman of the comedian"s potential.
Lassally came out of retirement to be executive producer of The Late Late Show with Craig Ferguson and remained executive producer after Ferguson left to oversee the show through its successive guest hosts prior to the premiere of the Late Late Show with James Corden in March 2015.
As a longtime producer and confidant of successful talk show personalities, Lassally has been referred to as "the host whisperer." He retired on February 20, 2015, after Will Arnett"s only show as guest host of the Late Late Show. Lassally appeared with Arnett in a cameo in the show"s cold open telling Arnett that all someone needed to be a late night show was a suit.