- Source of Wealth: Guggenheim Partners
- Age: 60
- Birth Place: Iowa, United States
- Marital Status: Married (Kimbra Walter)
- Full Name: Mark Walter
- Nationality: American
- Date of Birth: 1960
- Occupation: Founder & CEO of Guggenheim Partners
- Education: Northwestern University, Creighton University
Mark Walter has an estimated net worth of $2.1 billion as of September 2015. Aside from being the Chief Executive Officer of Guggenheim Partners, Mark Walter is also the chairman of the L.A. Dodgers Major League Baseball franchise. He is a director or trustee in a number of organizations including the Security Benefit Corporation and the Solomon R. Guggenheim Foundation.
Guggenheim Partners, LLC which he co-founded in 2000, is now worth over$125 billion and currently, the company hires a total of 2,200 employees, with 9 offices worldwide. Mark Walter is also the founder of Liberty Hampshire Company, LLC which was founded in 1996 in Chicago.