Web Reference: Verifying that you are not a robot... The billionaire pair initially encountered in January 1991 during a blind date, but Julie did not have a good impression of the date. However, later that year, they ran into each other once more at a party and began dating. They eventually wedded in 1996 at David Koch's Southampton home on Meadow Lane after she quit her job in 1993. The couple shar... Apr 20, 2023 · Mark was born to American businessman, philanthropist, political activist, and chemical engineer David Koch and his wife Julia Margaret Flesher. His grandparents are Mary Clementine and Fred Chase Koch, a chemical engineer.
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John Mark Koch - Latest Information & Updates 2026 Information & Biography
Details: $14M - $42M
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Last Updated: April 3, 2026
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