Richard Rawlings is considered to be the businessman in the show. He analyzes the cars to see which ones are worth the effort to repair. He is also the one who instructs the crew members to search for the things at different locations. Richard is often praised for his great work as the manager of the auto shop.

Aaron Kaufman is the man behind most of the repairing and restoration work at the Gas Monkey Garage. All of his experimenting as a child finally paid off. He was a natural in the auto shop because he was already so used to the line of work. Aaron solves a lot of the auto problems with simple techniques. In Aaron’s whole life, he always valued being an efficient worker. He would do the same thing multiple times just so he could learn how to improve the process and make it quicker. He doesn’t think ignoring production problems is a good idea because it can slow down the team in  the long run.

When trying to decide on where to start on repairing a car, Aaron usually begins with the interior. He then moves on to the sides of the car to inspect for potential issues. His last areas of analysis are the back and front of the car. Richard and Aaron had so much chemistry working together, they even participated on projects outside of the TV show. They came in second place for a motorcycle build-off competition.

Aaron Kaufman was known to be dating a woman named Lindsay J. The relationship ended after three and half years. The couple never committed to each other as there were no plans for marriage or children. Aaron keeps most of the details on his life very private. There is no information on his immediate family available on public record. There is also no information of Aaron's education as he has decided not to reveal any details on the schools he attended. Aaron’s net worth is estimated to be 3 million dollars. Before he got his big break as a star on a Discovery Channel show, Aaron was getting by working at an auto shop. The TV show completely changed Aaron’s life and made him a famous and wealthy man.