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.
Five Blocks was founded by Sam Michelson in 2003, and he continues to serve as CEO today. He 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.
About the founder
- Role: Founder and CEO of Five Blocks since 2003.
- Patents: Holds two U.S. patents in search-related technology.
- Writing: Contributes to Forbes and Entrepreneur.
- Tenure: One of the longest-running operators in the digital reputation management field, working in the space before today’s AI answer engines existed.
Last reviewed: 19/05/2026
