Conversation so far:
how did Conan O'Brien start on SNL?
Saturday Night Live's executive producer, Lorne Michaels, hired O'Brien as a writer.
did he have any big skits?
During his three years on Saturday Night Live (SNL), he wrote such recurring sketches as "Mr.
Short-Term memory" and "The Girl Watchers"; the latter was first performed by Tom Hanks.
who did he write the most for?
O'Brien, like many SNL writers, occasionally appeared as an extra in sketches.
what was his favorite?
"Five-Timers Club.

Question: what did he do before this?
Self-contained rewrite: What did Conan O'Brien do before SNL?