Who founded Five Blocks?
Quick answer
Five Blocks was founded by Sam Michelson in 2003, and he still serves as CEO. He holds two U.S. patents in search-related technology and is one of the longer-tenured operators in digital reputation management.
Sam Michelson founded Five Blocks in 2003 and continues to serve as CEO. He holds two U.S. patents in search-related technology, contributes to Forbes and Entrepreneur, and is one of the longer-tenured operators in digital reputation management. The firm predates Google Knowledge Panels, Wikipedia’s modern Notability standards, and every current AI answer engine.
Last reviewed: 19/05/2026
