Ryan Sipes

CEO - Mozilla Thunderbird

Mozilla

Feb 2026 - Current (6 months)

First CEO leading Mozilla Thunderbird, a Mozilla company making productivity software that is both good and good for people. Empowering organizations and individuals to do their best work without sacrificing privacy or freedom.

CEO

Thunderbird

Feb 2026 - Current (6 months)

Leading Mozilla Thunderbird, making productivity software that is both good and good for people. Empowering organizations and individuals to do their best work without sacrificing privacy or freedom.

Managing Director (MZLA/Thunderbird)

Mozilla

Jan 2022 - Mar 2026 (4 years 3 months)

I lead the Product development and business strategy for Thunderbird (and MZLA Technologies Corporation, which houses Thunderbird). I also manage all revenue generating activities within MZLA/Thunderbird. As the result of my work Thunderbird has seen more than 10x revenue growth.

Thunderbird Business Development and Community Manager

Mozilla

Dec 2017 - Dec 2021 (4 years 1 month)

Managed all revenue generating activities for Thunderbird resulting in 100% year-over-year revenue growth each year. Managed the open source and user communities, with nearly 20,000,000 monthly active users and 200,000 Superfans deeply engaged with with Thunderbird volunteering time or money to support its open source development.

Community Manager

SYSTEM

Aug 2016 - Aug 2017 (1 year 1 month)

Building a community around System76's products, services, and open source software. Working to create an open future, combatting the closed, proprietary, walled-garden approaches of other computer hardware companies.

Co-Founder and CTO

Mycroft AI

Aug 2014 - Aug 2016 (2 years 1 month)

Managed the development of the Mycroft software and the open source community around that effort. Acting as community manager, interacting with contributing volunteers around Mycroft's open source projects.Scrum Master leading agile development sprints and making decisions at each stage of product development.

Writer

Android Headlines

Jun 2014 - Aug 2014 (3 months)

Writing articles for Android Headlines on topics such as Android OS, Google, Smartphones, as well as other tech topics.

Systems Administrator

Northeast Kansas Library System

Jan 2013 - Jun 2015 (2 years 6 months)

Maintained Networks and Servers for Northeast Kansas Library System and assisted member libraries with their technology needs. Oversaw the server infrastructure for nearly all Kansas Library Websites.

Systems Administrator

Midwest Data Center Inc

Mar 2011 - Jan 2013 (1 year 11 months)

Set up and maintained servers, networks, and workstations both in the data center and onsite at customer facilities.

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