Operating Leaders

Stacey Kravitz has served as our President UNFI Canada since August 2020. Previously Ms. Kravitz served as our Senior Vice President of Sales, UNFI Canada. Prior to joining UNFI in 2015, she spent 20 years at Kraft Canada then Kraft Heinz Company Canada in progressive sales roles, culminating in leading Canada’s largest retailer Loblaw Companies LTD., as Customer Vice President. Ms. Kravitz is a graduate of McGill University and the Queens and Ivey Executive Program where she holds a Bachelor of Arts Degree and an Executive education in Strategic Planning and Finance certificate. In May of 2019, she was elected to the Board of Directors of the Canadian Health Food Association (CHFA) and is currently serving as the vice chair and chair of the Human Resources committee. Most recently in October 2020 she was elected to the Board of Directors of the Grocery Foundation another non-for profit organization whose vision is “no hungry kids at school”, believing in a Canada that is True, North, Strong and Fed^™.

Mario Maffie has served as our Chief Information Officer since October 2023. Prior to joining UNFI, Mr. Maffie spent 24 years at Mars Incorporated, a privately held American multinational manufacturer known for its confectionery, pet food, and other food products and animal care services. He most recently served as Mars’ Corporate Chief Information Officer since 2018, where he oversaw technology for corporate functions, including HR, Procurement, Finance, Legal, and others, as well as global technology capabilities like master data management, reporting and integration services and platforms, automation, supply chain and global ERP. Earlier in his career, he also served on the integration team responsible for bringing together Mars and Wrigley, which achieved the successful harmonization of the data center, network, infrastructure, service desk, and IT organization. He has experience launching global master data platform with SAP MDG as well as leading the first global deployment at Mars of predictive AI-based financial performance products. Mr. Maffie holds a Bachelor of Arts degree from Immaculata University.

David Matthews has served as our President, National Sales since July 2018. Mr. Matthews previously served as Senior Vice President of Enterprise Sales. Prior to that, Mr. Matthews was our International President from 2010 to 2015 and President of our Eastern Region from 2009 to 2010. Prior to joining UNFI, Mr. Matthews was the Chief Executive Officer of Progressive Group Alliance, a wholly owned subsidiary of Performance Food Group.

John Raiche has served as our Executive Vice President, Natural, Organic and Specialty Merchandising & Supplier Services Officer since January 2025.  Prior to that, Mr. Raiche served as our Executive Vice President, Supplier Services since August 2018 and has held numerous roles in his more than two decades with the Company, including responsibilities managing Marketing, Events, Category Management, and Supplier Management functions. He also was a minority owner and Vice President, Marketing at B.I.N. Sales and Marketing for 5 years, at the time the largest independent broker in the Natural industry.  Mr. Raiche has been a previous Council Member of the Specialty Food Association for 6 years.