Conversation so far:
What was Irving Thalberg's role at Universal Studios?
Irving Thalberg was initially an office secretary at Universal Pictures' New York office.
What year was Irving Thalberg hired in the role of secretary at Universal Studios?
Irving Thalberg joined Universal Pictures in 1918.
Was Irving Thalberg ever promoted during his time with Universal?
Irving Thalberg later became personal secretary to the studio's founder and president, Carl Laemmle.

Question: What did he do after becoming Laemmle's secretary?
Self-contained rewrite: What did Irving Thalberg do after becoming Laemmle's secretary?