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Brian Acton

b. 1972

American computer programmer and Internet entrepreneur, co-founder of WhatsApp

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About Brian Acton

Born 1972. Brian Acton is an American engineer, entrepreneur and computer scientist, known for Signal Foundation and WhatsApp.

Brian Acton (born 1972) is an American business executive and computer programmer serving as the executive chairperson of Signal Technology Foundation, which he co-founded with Moxie Marlinspike in 2018. Acton also serves as interim chief executive officer (CEO) of Signal Messenger LLC.

He was formerly employed at Yahoo!. In 2009, Jan Koum and Acton co-founded WhatsApp, According to Forbes in 2020, Acton was the 836th-richest person in the world, with a net worth of $2.5 billion.

Early life and education Acton grew up in Michigan, later moving to Central Florida, where he graduated from Lake Howell High School. In 1994, he graduated from Stanford University with a degree in computer science.

Yahoo! Two years after Acton joined Yahoo, Jan Koum was hired as an infrastructure engineer shortly after he met Acton while working at Ernst & Young as a security tester. Over the next nine years, the two worked together at Yahoo. Acton lost millions in the dot-com bubble of 2000. In September 2007, Koum and Acton left Yahoo! and took a year off, traveling around South America. They both tried to get jobs at Facebook, but were not hired.

WhatsApp

In January 2009, Koum bought an iPhone and believed the App Store was about to spawn a whole new industry of apps. He talked to his friend, Alex Fishman, about developing an app. Forbes estimated that Acton held over 20% stake in the company, making his net worth around $3.8 billion.

In 2016, Acton led a funding round for Trak N Tell and raised $3.5 million along with two other investors.

In September 2017, Acton left WhatsApp.

Signal When he left WhatsApp in September 2017, Acton co-founded the Signal Foundation with Moxie Marlinspike, which is dedicated to helping people have access to private communication through an encrypted messaging app. Signal is widely used by journalists and human rights activists.

In February 2018, it was announced that Acton was investing $50 million into Signal. By the end of 2018, the loan had increased to $105,000,400, due to be repaid on February 28, 2068. The loan is unsecured and carries nil interest.

On March 20, 2018, Forbes reported that Acton had publicly tweeted support for the #DeleteFacebook movement, in a "new level of public backlash". In November 2019, Acton explained to journalist Steven Levy, that he decided it was time to make his feelings public because there was pressure unfolding against Facebook.

Other activities

Philanthropy In 2014, Acton and his wife, Tegan, started the foundation Wildcard Giving, with three sister foundations: Sunlight Giving, Acton Family Giving, and Solidarity Giving. Sunlight Giving is a family foundation supporting the basic services of low-income families with young children, aged five and below, living in the San Francisco Bay Area. It also provides support for safe spaces and organizations working for food security, housing stability, and healthcare access. Sunlight Giving has $470 million in assets. It granted $6.4 million in 2015, $19.2 million in 2016, and $23.6 million in 2017.

In 2019, Forbes reported that Brian Acton and his wife had given more than $1 billion to charitable causes over their lifetimes.

Personal life He is married to Tegan Acton and resides in Palo Alto, California.

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Important facts

Birth century
Known for
Signal Foundation, WhatsApp
Education
Stanford University, University of Pennsylvania School of Engineering and Applied Science, University of Central Florida, Lake Howell High School
Employers
Yahoo, WhatsApp LLC, Signal Foundation

People in Brian Acton's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Brian Acton's

Frequently asked questions

Who is Brian Acton?

American computer programmer and Internet entrepreneur, co-founder of WhatsApp

When was Brian Acton born?

Brian Acton was born on 17 February 1972 in Michigan.

What is Brian Acton's occupation?

Brian Acton is an engineer, entrepreneur and computer scientist.

What is Brian Acton known for?

Brian Acton is known for Signal Foundation and WhatsApp.

What nationality is Brian Acton?

Brian Acton is American.

Sources & further reading

· Wikipedia: Brian Acton

· Wikidata: Q15778935

· DBpedia: Brian Acton

Cite this page

APA: Biography.guide. (2026). Brian Acton. https://biography.guide/brian-acton/

MLA: "Brian Acton." Biography.guide, https://biography.guide/brian-acton/.

Chicago: "Brian Acton." Biography.guide. https://biography.guide/brian-acton/.

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