Senior Staff Software Engineer
Current
Sep 2023 - Present
AeroLeads people directory · profile
Ben Hearsum Email & Phone Number
Senior Staff Software Engineer
at
Mozilla
2 work emails found
@mozilla.org
3 phones found area 650
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 100%
Current company
Role
Senior Staff Software Engineer
Location
Richmond Hill, Ontario, Canada
Company size
Who is Ben Hearsum? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Ben Hearsum is listed as Senior Staff Software Engineer at Mozilla, a with 1641 employees, based in Richmond Hill, Ontario, Canada. AeroLeads shows a work email signal at mozilla.org, phone signal with area code 650, and a matched LinkedIn profile for Ben Hearsum.
Ben Hearsum previously worked as Staff Software Engineer at Mozilla and Staff Release Engineer at Mozilla. Ben Hearsum holds Cpa, Computer Programming from Seneca Polytechnic.
Company email context
Email format at Mozilla
This section adds company-level context without repeating Ben Hearsum's masked contact details.
{first}@mozilla.org
92% confidence
AeroLeads found 2 current-domain work email signals for Ben Hearsum. Compare company email patterns before reaching out.
Profile bio
About Ben Hearsum
Ben Hearsum is a Senior Staff Software Engineer at Mozilla. He possess expertise in release engineering, git, open source, linux, bash and 10 more skills. Colleagues describe him as "I worked with Ben between 2016 and 2020, on the same team. One thing that amazed me in him is: Ben has some magic power to get people to contribute to our codebase. Moreover, he keeps them interested and growing. I believe this success story is partly explained by Ben's mindset: he always welcome new ideas and genuinely expresses interest in them. Some may turn out to be impossible to make, but Ben has a way to convey the conversation so that nobody gets offended. On top of that, Ben manages to get goals done with no overtime. It would be a pleasure to work with him again."
Listed skills include Release Engineering, Git, Open Source, Linux, and 11 others.
Current workplace
Ben Hearsum's current company
Company context helps verify the profile and gives searchers a useful next step.
Mozilla
5 roles
Ben Hearsum work experience
A career timeline built from the work history available for this profile.
Staff Software Engineer
Staff software engineer focused on the Firefox installer, updater, and OS integrations.
Oct 2021 - Sep 2023
Staff Release Engineer
Full-stack maintainer of multiple key release systems, including Mozilla's update server.
Aug 2016 - Nov 2021
Senior Release Engineer
Implemented and migrated Firefox to Mozilla's new update server, enabling much finer grained control over update configuration.Coordinated migration of multiple services from in-house datacentres to AWS.Helped build and maintain automated code signing servers.Helped design, build, and migrate to a new web tool that allowed Release Managers to build releases without involving a Release Engineer.Two-time Google Summer of Code mentor
Aug 2012 - Aug 2016
Release Engineer
Ported Mozilla's performance testing framework from Windows to Linux.Migrated Firefox builds to a new Continuous Integration system (Buildbot).Built and shipped Firefox builds.Created, managed, and deployed build and test machines images.Oversaw the creation, design, and implementation of Firefox's new release automation system.
Jan 2007 - Aug 2012
Team & coworkers
Colleagues at Mozilla
Other employees you can reach at mozilla.org. View company contacts for 1641 employees →
ZT
Zac Thompson
Colleague at MozillaUnited States
View →
PR
Przemysław Rafalczuk
Colleague at MozillaRadków, Dolnośląskie, Poland
View →
JC
Jen Caltrider
Colleague at MozillaAlburgh, Vermont, United States
View →
JC
Joseph Cuevas
Colleague at MozillaWestmont, Illinois, United States
View →
LJ
Londa Jacek
Colleague at MozillaLos Angeles, California, United States
View →
BT
Brian Tsoi
Colleague at MozillaCanada
View →
AM
Amy Maoz
Colleague at MozillaLos Angeles Metropolitan Area, United States
View →
VL
Veronica Layzell
Colleague at MozillaToronto, Ontario, Canada
View →
HG
Harmit Goswami
Colleague at MozillaMississauga, Ontario, Canada
View →
OM
Olivia M.
Colleague at MozillaUnited States
View →
Zac Thompson
Colleague at MozillaUnited States
View →
PR
Przemysław Rafalczuk
Colleague at MozillaRadków, Dolnośląskie, Poland
View →
JC
Jen Caltrider
Colleague at MozillaAlburgh, Vermont, United States
View →
JC
Joseph Cuevas
Colleague at MozillaWestmont, Illinois, United States
View →
LJ
Londa Jacek
Colleague at MozillaLos Angeles, California, United States
View →
BT
Brian Tsoi
Colleague at MozillaCanada
View →
AM
Amy Maoz
Colleague at MozillaLos Angeles Metropolitan Area, United States
View →
VL
Veronica Layzell
Colleague at MozillaToronto, Ontario, Canada
View →
HG
Harmit Goswami
Colleague at MozillaMississauga, Ontario, Canada
View →
OM
Olivia M.
Colleague at MozillaUnited States
View →
1 education record
Ben Hearsum education
FAQ
Frequently asked questions about Ben Hearsum
Quick answers generated from the profile data available on this page.
What company does Ben Hearsum work for?
Ben Hearsum works for Mozilla.
What is Ben Hearsum's role at Mozilla?
Ben Hearsum is listed as Senior Staff Software Engineer at Mozilla.
What is Ben Hearsum's email address?
AeroLeads has found 2 work email signals at @mozilla.org for Ben Hearsum at Mozilla.
What is Ben Hearsum's phone number?
AeroLeads has found 3 phone signal(s) with area code 650 for Ben Hearsum at Mozilla.
Where is Ben Hearsum based?
Ben Hearsum is based in Richmond Hill, Ontario, Canada while working with Mozilla.
What companies has Ben Hearsum worked for?
Ben Hearsum has worked for Mozilla and Mozilla Corporation.
Who are Ben Hearsum's colleagues at Mozilla?
Ben Hearsum's colleagues at Mozilla include Zac Thompson, Przemysław Rafalczuk, Jen Caltrider, Joseph Cuevas, and Londa Jacek.
How can I contact Ben Hearsum?
You can use AeroLeads to view verified contact signals for Ben Hearsum at Mozilla, including work email, phone, and LinkedIn data when available.
What schools did Ben Hearsum attend?
Ben Hearsum holds Cpa, Computer Programming from Seneca Polytechnic.
What skills is Ben Hearsum known for?
Ben Hearsum is listed with skills including Release Engineering, Git, Open Source, Linux, Bash, Python, Perl, and Apache.
Find 750M verified contacts
Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.
Start free trialPeople with similar names
Check these profiles if this is not the Ben Hearsum you were looking for.
View similar profiles