Signal was founded in 2018 by Brian Acton and Moxie Marlinspike.

Who are Signal's co-founders?

Signal was co-founded by Brian Acton and Moxie Marlinspike.

Company · Media & Entertainment

Signal

Q: What happened to Signal's founders?

2 people who founded or worked at Signal went on to start 5 other companies, including Brian Acton (WhatsApp, WhatsApp LLC and Sunlight Giving) and Moxie Marlinspike (Whisper Systems and Open Whisper Systems).

Signal was founded in 2018 in Mountain View, USA by Brian Acton and Moxie Marlinspike. It is a Media & Entertainment company.

Encrypted messaging service run by the nonprofit Signal Foundation.

Private Founded 2018 Mountain View USA Media & Entertainment

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Signal founders & co-founders

Where its founders came from

The companies and labs that produced Signal’s founders.

Apple Yahoo WhatsApp Twitter Whisper Systems

What happened to Signal’s founders and alumni

5 companies

People who worked at or founded Signal and went on to start their own companies.

Brian Acton

3 founded

WhatsApp 2009 WhatsApp LLC 2009 Sunlight Giving

Moxie Marlinspike

2 founded

Whisper Systems 2010 Open Whisper Systems 2013

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