Mark "Simo" Simonaitis (born October 1, 1959) is an American race car driver and entrepreneur. He is the twin brother of racer Brian Simo. Currently, he is the CEO of No Fear, and is a co-owner of No Fear Racing.
مارك سيمو (بالإنجليزية: Mark Simo) هو مهندس أمريكي، ولد في 1 أكتوبر 1959 في كارلسباد في الولايات المتحدة. (ar)
Mark "Simo" Simonaitis (born October 1, 1959) is an American race car driver and entrepreneur. He is the twin brother of racer Brian Simo. Currently, he is the CEO of No Fear, and is a co-owner of No Fear Racing. (en)