Ari Weinzweig is an American entrepreneur, author, speaker, and co-founding partner of Zingerman's Community of Businesses, a group of food-related enterprises based in Ann Arbor, Michigan.

[3] Weinzweig founded Zingerman's Delicatessen in Ann Arbor, Michigan in 1982 with his business partner, Paul Saginaw.

[4] Originally a singular deli, Zingerman's has since expanded into what he terms a "community of businesses", including a bakehouse, coffee company, creamery, and candy manufactory, among others.

[5] As of July 2024, Zingerman’s Community of Businesses encompasses 11 separate entities, employs over 750 people, and generates over $80 million in annual revenue.

[6][7] Weinzweig is a writer and literature collector, having authored several books, business pamphlets, and contributions to Zingerman’s newsletters and blogs.