John Mark Koch (David Koch’s Son) Age, Biography, Height, Personal Life, Net Worth & Facts

John Mark Koch is a famous American-based youngest celebrity son. He is brought into the spotlight in front of the media as the son of a famous American businessman, political activist, philanthropist, and chemical engineer named the late David Hamilton Koch aka David Koch. On the other hand, his mother’s name is Julia Margaret Flesher Koch aka Julia Koch is a famous American socialite. John has two siblings named David Koch Jr., and Mary Julia Koch. His Grandparents name are Fred C. Koch and Mary R. Koch and also his Great-grandparents are Ernest Franklin Robinson, Mattie B. Koch, Mary Burnet Kip, and Harry Koch.

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John Mark Koch Parents

John Mark Koch Quick Facts

Real Name John Mark Koch.
Nick Name John.
Date of Birth 2000.
Age (as of 2024) 24 years.
Birthday place United States.
Height (Tall) 5 feet 8 inches.
173 cm.
1.73 m.
Weight Kilograms: 65 Kg.
Pounds: 143 lbs.
Eye Color Black.
Hair Color Black.
Body Measurements 38-34-36.
Net Worth (approx.) $1 Million US dollars (as of 2024).

Personal Life & Family

Father David Koch.
Mother Julia Koch.
Sister Mary Julia Koch.
Brother David Koch Jr.
Marital Status Unmarried.
Wife (Spouse) No.
Girlfriend No.
Children None.
Hobbies Watching movies & listening to music.


High School He completed his education at a private high school.
College or University Not found.
Qualification Graduate.

Favorite Things

Favorite Sports Football & Basketball.
Favorite City/Country Dubai, United Arab Emirates.

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Some Interesting Facts About John Mark Koch

  • John Mark Koch holds an American Nationality with a Caucasian ethnicity.
  • He has been a student at Manhattan Prep School.
  • Professionally, he is a very ambitious person who is passionate about his goals.
  • As of now, he is neither married nor in any relationship.
  • His father David Koch has been running a family business, Koch Industries. Now, this is inherited by him and his family. This is the second largest privately held company in the United States.
  • New York is his favorite city. He loves exploring it.
  • He is a travel enthusiast.

FAQS About John Mark Koch

How old is John Mark Koch?

John Mark Koch was born in 2000. He is 24 years old.

What is the height and weight of John Mark Koch?

He has a height of 5 feet 8 inches (173 cm) and a weight of 65 kg (143 lbs).

What is the zodiac sign of John Mark Koch?

His zodiac sign is Virgo.

Who are the parents 0f John Mark Koch?

His father is David Koch and his mother is Julia Koch.

What does he do for a living?

As of now, he is pursuing his goals. Moreover, he has inherited a lot from his father. He has a net worth of $1 Million.

Where is he now?

He is living a great life with his family in New York.