"Guest on the episode and author of 'Leveling Up', discussing mental models and habits for success."

"Guest on the episode, co-host of Marketing School podcast, and CEO of Single Grain."

"Interviewer and host of Leveling Up and Marketing School podcasts, speaking directly with Gary."

"Guest on this episode, co-host of Marketing School, and founder of Single Grain. Actively participating in the discussion."

"Co-host of Marketing School and owner of Single Grain; active participant in the discussion."