Conversation so far:
What happened in Gred's career?
He then worked as a staff writer at Prevention magazine.
Which of his work was noteworthy?
Gutfeld then became editor in chief of Stuff, increasing circulation from 750,000 to 1.2 million during his tenure.

Question: Which other names were mentioned in his career?
Self-contained rewrite: Beside Editor in chief, Which other names were mentioned in Greg Gutfeld's career?