Conversation so far:
When did Irving Thalberg start with Universal Studios?
Irving Thalberg joined Universal Pictures soon after leaving high school.
What did the Irving Thalberg's work as office secretary lead to at Universal Studios?
Irving Thalberg became personal secretary to Universal Pictures' founder and president, Carl Laemmle.

Question: How did becoming a personal secretary help his career ?
Self-contained rewrite: How did becoming a personal secretary at Universal Studios help Irving Thalberg's career ?