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    Jonathan Mariner

    Jonathan Mariner
    Finance
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    Former MLB CFO Jumps to PE, Says Teams Are Undervalued
    Mariner worked in Major League Baseball for 24 years.
    July 9, 2025
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    Jul 2, 2025; Los Angeles, California, USA; Los Angeles Dodgers two-way player Shohei Ohtani (17) heads to the dugout prior to the first inning against the Chicago White Sox at Dodger Stadium.
    Leagues
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    MLB Changes Are ‘Showing Great Results’: Former CFO
    Big stars playing in major markets “make a real difference.”
    July 4, 2025
    Portfolio Players
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    Former MLB CFO On Team Valuations and Ownership Trends
    Former EVP and CFO of MLB, Jonathan Mariner, joins Portfolio Players.
    June 24, 2025