Hilary Newsom joined the PlumpJack Group in 1996 as Director of Marketing for the company and was named President of this hospitality management group in early 2009. Newsom oversees the day-to-day operations, finance and marketing that is inherent in the 14 individual businesses while also focusing on new development opportunities for the PlumpJack Group.

In her role as President, Hilary Newsom guides and collaborates with each of the departments. Additionally, she plays an integrated role in investor relations. Newsom works closely with the Executive Vice President on decisions regarding new business concepts, location and design. Newsom has been instrumental in conception, construction, and opening of the many PlumpJack businesses. Newsom also guides the PlumpJack Marketing Department in the design and implementation of all marketing materials, programs and initiatives that help to build and drive the brand. Newsom works closely with the Vice President of Finance in budget preparation, financial accountability and investor relations.

Prior to joining PlumpJack, Newsom worked as a merchandise manager for the Women's Division for A/X Armani Exchange in New York. She gained immeasurable experience when based at the corporation's headquarters in Milan, Italy, where she created a new department for the Emporio Armani Division and held the position of Retail Sales Analyst. Newsom has also held positions with esteemed retail companies such as Donna Karan New York International Division and Banana Republic, a division of Gap Inc.

Passionate about philanthropy, Newsom is an energetic fundraiser for many charitable organizations in the San Francisco Bay Area. She currently sits on the board of the Holy Family Day Home as well as the Cancer Prevention Institute of California (CPIC). Along with her husband, Geoff Callan, Newsom also created the annual PlumpJack/LINK Golf Classic, which benefits the CPIC's breast cancer research and education programs and has raised over $2.5 million dollars for the fight against breast cancer. Newsom has been profiled in Women's Wear Daily, PaperCity Magazine, 7x7 Magazine and San Francisco MODA. She resides in San Francisco with her two daughters and husband.