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CEO
WhatsApp Inc.

Jan Koum is the co-founder and CEO of WhatsApp. WhatsApp Messenger is a personal real-time messaging network allowing millions of people around the world to stay connected with their friends and family.

Jan dropped out of San Jose State University, where he was studying math and computer science.

His first cellphone was a Motorola V60.

Posts With Jan Koum

WhatsApp Does a Passive-Aggressive Stats Release to Call Out Others for Bullshit Metrics

in Mobile on December 19, 2013 at 8:00 am PT

WhatsApp now has 400 million active users.
WhatsApp CEO Jan Koum

The Quiet Mobile Giant: With 300M Active Users, WhatsApp Adds Voice Messaging

in Mobile on August 6, 2013 at 2:15 pm PT

Today, WhatsApp is rolling out voice messaging for all of its apps, on iPhone, BlackBerry, Android, Windows Phone and Nokia.
WhatsApp CEO Jan Koum

News Byte

WhatsApp Hits Record High in Daily Message Volume

in Mobile on June 12, 2013 at 10:17 pm PT

WhatsApp, the massively popular mobile messaging service, announced a new record on Wednesday for daily inbound and outbound messages sent in a single day. The company processed 27 billion messages in a 24-hour period, up from 20 billion processed in a day just two months before.

WhatsApp CEO Jan Koum Hates Advertising and the Tech Rumor Mill (Full Dive Video)

in Dive Into Mobile on May 10, 2013 at 9:31 am PT

It’s safe to say that WhatsApp CEO Jan Koum does not crave the spotlight. But he does have a lot to say.
WhatsApp CEO Jan Koum

Google Glass, Workday and “WTF, Firefox OS?” — 10 Things You Need to See on AllThingsD This Week

in News on April 20, 2013 at 12:00 pm PT

A convenient roundup of the Top 10 stories that powered AllThingsD this week.
WTF Firefox OS

WhatsApp, Snapchat and the Real “Second Screen” — 10 Things You Missed at Day Two of Dive Into Mobile

in Dive Into Mobile on April 17, 2013 at 12:13 am PT

A quick catch-up guide to the second and final day of our global mobile conference.
Ondrejka, right, with Facebook CTO Mike Schroepfer

Watch Google, WhatsApp, Facebook and Ushahidi on Our Dive Into Mobile Livestream

in Dive Into Mobile on April 9, 2013 at 10:47 am PT

Watch Google’s Eric Schmidt, WhatsApp’s Jan Koum, Facebook’s Mike Schroepfer and Ushahidi’s Juliana Rotich live on April 16.
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WhatsApp: We’re Not Selling to Google

in Mobile on April 8, 2013 at 9:03 pm PT

WhatsApp exec says there’s no truth to acquisition rumors.
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No, Facebook’s Not Buying WhatsApp (But Keep an Eye on It)

in Mobile on December 3, 2012 at 12:26 pm PT

Facebook and Google have both been very interested in buying WhatsApp in the past, but the company is fiercely independent.
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D: Dive Into Mobile Speaker Bonanza: Google’s Rubin, Nokia’s Elop, Mozilla’s Kovacs, Facebook’s Schroepfer and WhatsApp’s Koum

in D on June 26, 2012 at 7:05 am PT

D: Dive Into Mobile in October.
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