Jan Koum
Jan Koum
Real Name/Full Name Jan Koum
Nick Name/Celebrated Name: Jan Koum
Birth Place: Kiev, Ukranian SSR, Soviet Union
Date Of Birth/Birthday: 24 February 1976
Age/How Old: 48 years old
Height/How Tall: In Centimetres – 180 cm
In Feet and Inches – 5′ 9″
Weight: In Kilograms – 78 Kg
In Pounds – 172 lbs
Eye Color: Grey
Hair Color: Grey
Parents Name: Father –Unknown
Mother –Unknown
Siblings: None
School: Unknown
College: San Jose State University
Religion: Jewish
Nationality: American
Zodiac Sign: Pisces
Gender: Male
Sexual Orientation: Straight
Marital Status: Married
Girlfriend: Evelina Mambetova
Wife/Spouse Name: Evelina Mambetova
Kids/Children Name: Unknown
Profession: Entrepreneur and Computer Programmer
Net Worth: $10 billion
Last Updated: July 2024

WhatsApp today is one of the most used messaging applications worldwide that can be found on everyone’s mobile phone around you. This is the application that made mobile messaging easy and a lot convenient. You might know a lot about this application, but are you aware of the founder of this application. Jan Koum is one of the brightest minds on this planet who has developed this application.

He is one of the youngest billionaires today, and in 2014 his estimated net worth was $7.5 billion, and from then it has only grown and not stopped.

Well, how well do you know about Jan Koum? If not much, we have compiled all you need to know about Jan Koum’s net worth in 2024, his age, height, weight, wife, kids, biography and complete details about his life. Well, if you’re all set, here is what we know about Jan Koum to date.

Biography and Early Life

Jan was initially born in Kyiv in Ukraine, and it was then in the Soviet Union. He then grew up in the Fastiv region, and later he moved to Mountain View, California in the year 1992 with his family. There he got a small two-bedroom apartment, and while he moved here, his age was 16.

His father wanted to join the family later, but he could not, and he finally died in 1997. His mother used to work as a babysitter, and he worked as a cleaner at the grocery store. But his mother was diagnosed with cancer, and she soon died in 2002.

He then enrolled in the San Jose State University and also became interested in programming. He also worked at Ernst & Young as the security tester while doing this job. He also joined a group of hackers there, and there he got the chance to meet the future founders of Napster, Jordan Ritter, and Shawn Fanning.

In 1997, he also met Brian Acton while working as the security tester at Ernst & Young.

Age, Height, Weight & Body Measurement

So, how old is Jan Koum in 2024 and what is his height and weight? Well, Jan Koum’s age is 48 years old as of today’s date 24th July 2024 having been born on 24 February 1976. Though, he is 5′ 9″ in feet and inches and 180 cm in Centimetres tall, he weighs about 172 lbs in Pound and 78kg in Kilograms.


The school of Jan Koum is still unknown, but it is a known fact that he is the alma-matter of San Jose University.

Personal Life: Dating, Girlfriends, Wife, Kids

There is not much information about his personal life. The known facts about his personal life are that he was once put on a restraining girlfriend by his ex-girlfriend. It is also a known fact that he is a supporter of Donald Trump as he likes to post about him on his Facebook Wall.

He is also known for his charitable actions. It is known that he donated about $1 million to The FreeBSD Foundation and $556 million to the Silicon Valley Community Foundation in the year 2014. He keeps donating to these charities.

His personal life is really secret, and not much is known about him. It is known that he is married to Evelina Mambetova.

Is Jan Koum Gay?

No, Jan Koum is not gay and as he has been married to Evelina Mambetova and he has dated girls too. Not much is not known about his children. But he has never dated any other men. His preferences has always been girls and thus he is straight.

Professional Career

During his graduation in 1997, Jan Koum got hired as an infrastructure engineer, and due to this, he quit his school. He and Acton then worked there together. But in September 2007 both of them left eh company and then they travelled to South America. Then both of them wanted to get into Facebook and applied for it, but both of them got rejected.

Later he got the idea of WhatsApp when he bought the new iPhone and realised that there are a lot of Apps going to be uploaded to the App Store. Soon he visited his friend, Alex Fishman, and they then talked for hours about the new app idea, and then they decided to name it WhatsApp. Then WhatsApp Inc. was later incorporated in California.

Initially, this app wasn’t much popular but soon as Apple added the push notifications functionality this app got famous. Now Koum added a facility to ping the users when they received a message. Soon people began using this tool for messaging each other, and the use of SMS declined.

Soon this app became one of the most used apps globally, and people started using this instead of messaging. In 2014, Mark Zuckerberg invited Koum to have dinner at his home and he then formally proposed an idea in front of Koum to buy WhatsApp. Ten days later it was announced that Mark Zuckerberg is going to buy WhatsApp for the US $19 billion.


Jan Koum does many charitable works, but he hasn’t won any awards till now. His biggest success is creating WhatsApp and selling it for $19 billion.

Net Worth, Salary & Earnings of Jan Koum in 2024

Jan Koum Net Worth
Jan Koum Net Worth

As of 2024, the total net worth of Jan Koum is estimated to be around $10 billion, and he has earned most of his wealth from WhatsApp and stocks on Facebook. He still has some of his stocks in Facebook, which is why he earns a lot from these stocks.

Some Interesting Facts You Need To Know

  • He used to work as a cleaner when he arrived in America.
  • He learned to code by himself.
  • He got a computer when he was 19 years old, and in it, he used to code most of the time.
  • Facebook and Twitter once rejected him.

This was all about one of the most successful computer programmers who is an inspiration for many computer programmers today. He has worked hard a lot, and he has even done very small jobs. His success is today well deserved, and he is adored for it.


  1. yes, his success is well deserved. I am glad to know he is not gay. His wife is very lucky to have a smart guy like this.


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