Bob has been the Director of Athletics at Cuesta College for the past twenty years. Bob is responsible for the oversight and daily operations of 15- intercollegiate sports teams, along with budget development, fundraising, hiring of coaches, facilities and event management. During Bob's tenure, Cuesta College has produced more CCCAA (California Community College Athletic Association) Scholar Athletes and Teams than any other community college in the state.  Prior to coming to Cuesta College, Bob served as the Director of Athletics within the Lincoln Unified School District in Stockton, CA (1997-2001), the Director of Athletics/Community Programs Director at Harbor Spring High School in Harbor Springs, MI (1993-1997), and previously taught and coached football/wrestling at Moreau Catholic High School in Hayward, CA (1989-1992).

Bob earned his Bachelor's degree in Biology/Chemistry at Northern Michigan University (1989) and his Master's degree in Educational Athletic Administration at Northern Michigan University (1993). At Northern Michigan, Bob wrestled and played football, while being named the team's Most Valuable Wide Receiver in 1987-1988. Bob attended Iron Mountain High School (1980-84) were he played football and wrestled and was a 4-time Michigan State wrestling champion, while being named to the High School All-American Dream Team in 1983.

Bob's father, Ray Mariucci, was a graduate and former boxer at Michigan State University and a very successful high school wrestling coach. Bob's brother, Steve Mariucci, is a former NFL Coach for the San Francisco 49ers and Detroit Lions, and now serves as an analyst for the NFL Network. In 2010, Bob joined his father and brother in the Michigan Upper Peninsula Sports Hall of Fame.  Bob resides in Templeton, CA, with his wife, Lisa, and three daughters, Haylee, Taylor and Olivia.