Firefox Desktop Front-End Engineering
Current
Jan 2023 - Present
AeroLeads people directory · profile
Jonathan Epstein Email & Phone Number
Engineering Leadership for Mozilla Firefox. Former NPR, Washington Post, Slate, Microsoft
at
Mozilla
1 work email found
@mozilla.org
4 phones found area 202
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 100%
Current company
Role
Engineering Leadership for Mozilla Firefox. Former NPR, Washington Post, Slate, Microsoft
Location
Amherst, Massachusetts, United States
Company size
Who is Jonathan Epstein? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Jonathan Epstein is listed as Engineering Leadership for Mozilla Firefox. Former NPR, Washington Post, Slate, Microsoft at Mozilla, a company with 1641 employees, based in Amherst, Massachusetts, United States. AeroLeads shows a work email signal at mozilla.org, phone signal with area code 202, and a matched LinkedIn profile for Jonathan Epstein.
Jonathan Epstein previously worked as Firefox Desktop Front-end Engineering at Mozilla and Head Of Engineering for Rally at Mozilla. Jonathan Epstein holds Bachelor Of Science from University Of Massachusetts Amherst.
Company email context
Email format at Mozilla
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{last}@mozilla.org
89% confidence
AeroLeads found 1 current-domain work email signal for Jonathan Epstein. Compare company email patterns before reaching out.
Profile bio
About Jonathan Epstein
I build engineering teams and organizations built for excellence, growth, and inclusion.I think systematically to assess and solve an organization's challenges.I am an operational expert with deep experience in digital media and product development. I have been the most senior technical leader in each of my organizations since 2014.I specialize in -* Building and Architecting Engineering Teams and Organizations* Interviewing and Hiring* Mentorship and Performance Management* Retention* Scrum and Agile implementation and transformation* OpEx and CapEx budgetingHighlights* Led teams of 50+ at NPR and FiscalNote* Consistently maintained 90+% employee retention rates* Scaled NPR team from 15 to 50* Built diverse team (near 50% underrepresented in tech) at NPR* Implemented engineer career ladders for consistency and clarity at NPR and FiscalNote* Merged multiple engineering divisions into one unit at NPR* Regularly achieved 6-7-figure OpEx savings at NPR and FiscalNote
Listed skills include Agile Methodologies, Project Management, Scrum, Software Development, and 15 others.
Current workplace
Jonathan Epstein's current company
Company context helps verify the profile and gives searchers a useful next step.
Mozilla
10 roles
Jonathan Epstein work experience
A career timeline built from the work history available for this profile.
Head Of Engineering For Rally
May 2021 - Jan 2023
Vice President Of Engineering
Jun 2019 - May 2020
Senior Director Of Digital Technology
May 2017 - Jun 2019
Director Of Software Development
May 2010 - May 2017
Senior Director Of Technology
Feb 2008 - May 2009
Engineering Manager
Jun 2007 - Feb 2008
Technology Manager
Jan 2005 - May 2006
Web Developer Engineer
Jan 1999 - Jan 2005
Web Developer Engineer
Jul 1997 - Jan 1999
Team & coworkers
Colleagues at Mozilla
Other employees you can reach at mozilla.org. View company contacts for 1641 employees →
LF
Lindsey Frost Dodson
Colleague at Mozilla
Chattanooga, Tennessee, United States, United States
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KP
Kanth Pothu
Colleague at Mozilla
Toronto, Ontario, Canada, Canada
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GL
Gayboy Lover
Colleague at Mozilla
Contact Info, United States
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LB
Lanfang Bai
Colleague at Mozilla
San Francisco Bay Area, United States
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DB
Diane Branson
Colleague at Mozilla
Mountain View, California, United States, United States
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AM
April Morone
Colleague at Mozilla
Greater Roanoke Area, United States
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SW
Sarah Watson
Colleague at Mozilla
Toronto, Ontario, Canada, Canada
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JC
Jason Crowe
Colleague at Mozilla
Happy Valley, Oregon, United States, United States
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FQ
Florian Quèze
Colleague at Mozilla
Toulouse, Occitanie, France, France
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AC
Alana Calvo
Colleague at Mozilla
Greater Toronto Area, Canada, Canada
View →
Lindsey Frost Dodson
Colleague at Mozilla
Chattanooga, Tennessee, United States, United States
View →
KP
Kanth Pothu
Colleague at Mozilla
Toronto, Ontario, Canada, Canada
View →
GL
Gayboy Lover
Colleague at Mozilla
Contact Info, United States
View →
LB
Lanfang Bai
Colleague at Mozilla
San Francisco Bay Area, United States
View →
DB
Diane Branson
Colleague at Mozilla
Mountain View, California, United States, United States
View →
AM
April Morone
Colleague at Mozilla
Greater Roanoke Area, United States
View →
SW
Sarah Watson
Colleague at Mozilla
Toronto, Ontario, Canada, Canada
View →
JC
Jason Crowe
Colleague at Mozilla
Happy Valley, Oregon, United States, United States
View →
FQ
Florian Quèze
Colleague at Mozilla
Toulouse, Occitanie, France, France
View →
AC
Alana Calvo
Colleague at Mozilla
Greater Toronto Area, Canada, Canada
View →
1 education record
Jonathan Epstein education
FAQ
Frequently asked questions about Jonathan Epstein
Quick answers generated from the profile data available on this page.
What company does Jonathan Epstein work for?
Jonathan Epstein works for Mozilla.
What is Jonathan Epstein's role at Mozilla?
Jonathan Epstein is listed as Engineering Leadership for Mozilla Firefox. Former NPR, Washington Post, Slate, Microsoft at Mozilla.
What is Jonathan Epstein's email address?
AeroLeads has found 1 work email signal at @mozilla.org for Jonathan Epstein at Mozilla.
What is Jonathan Epstein's phone number?
AeroLeads has found 4 phone signal(s) with area code 202 for Jonathan Epstein at Mozilla.
Where is Jonathan Epstein based?
Jonathan Epstein is based in Amherst, Massachusetts, United States while working with Mozilla.
What companies has Jonathan Epstein worked for?
Jonathan Epstein has worked for Mozilla, Fiscalnote, Npr, National Public Radio, and Washingtonpost.Newsweek Interactive.
Who are Jonathan Epstein's colleagues at Mozilla?
Jonathan Epstein's colleagues at Mozilla include Lindsey Frost Dodson, Kanth Pothu, Gayboy Lover, Lanfang Bai, and Diane Branson.
How can I contact Jonathan Epstein?
You can use AeroLeads to view verified contact signals for Jonathan Epstein at Mozilla, including work email, phone, and LinkedIn data when available.
What schools did Jonathan Epstein attend?
Jonathan Epstein holds Bachelor Of Science from University Of Massachusetts Amherst.
What skills is Jonathan Epstein known for?
Jonathan Epstein is listed with skills including Agile Methodologies, Project Management, Scrum, Software Development, Operational Excellence, Management, Recruiting, and Team Leadership.
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