Lead Software Engineer
Current
Oct 2014 - Present
AeroLeads people directory · profile
John Zafeiropoulos Email & Phone Number
Lead Software Engineer at Catalist LLC
at
Catalist
1 work email found
@catalist.us
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 86%
Current company
Role
Lead Software Engineer at Catalist LLC
Location
Watertown, Massachusetts, United States
Company size
Who is John Zafeiropoulos? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
John Zafeiropoulos is listed as Lead Software Engineer at Catalist LLC at Catalist, a company with 70 employees, based in Watertown, Massachusetts, United States. AeroLeads shows a work email signal at catalist.us and a matched LinkedIn profile for John Zafeiropoulos.
John Zafeiropoulos previously worked as Lead Software Engineer at Catalist and Software Engineer at Ics-Forth. John Zafeiropoulos holds Bachelor Of Science (Bsc), Computer Science from University Of Aberdeen.
Company email context
Email format at Catalist
This section adds company-level context without repeating John Zafeiropoulos's masked contact details.
{first_initial}{last}@catalist.us
89% confidence
AeroLeads found 1 current-domain work email signal for John Zafeiropoulos. Compare company email patterns before reaching out.
Profile bio
About John Zafeiropoulos
John Zafeiropoulos is a Lead Software Engineer at Catalist LLC at Catalist.
Current workplace
John Zafeiropoulos's current company
Company context helps verify the profile and gives searchers a useful next step.
Catalist
2 roles
John Zafeiropoulos work experience
A career timeline built from the work history available for this profile.
Software Engineer
Aug 2005 - Oct 2014
Team & coworkers
Colleagues at Catalist
Other employees you can reach at catalist.us. View company contacts for 70 employees →
ZM
Zachary Miller
Colleague at CatalistWashington, District Of Columbia, United States, United States
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HH
Henry Herzfeld
Colleague at CatalistWashington, District Of Columbia, United States, United States
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AE
Andrew E.
Colleague at CatalistWashington DC-Baltimore Area, United States
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LK
Luke Kaufman
Colleague at CatalistMiami-Fort Lauderdale Area, United States
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RS
Rachel Stowers
Colleague at CatalistGreater Philadelphia, United States
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SM
Sarwono Mandiri
Colleague at CatalistGambir, Jakarta, Indonesia, Indonesia
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MT
Mary Toole
Colleague at CatalistWashington DC-Baltimore Area, United States
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CK
Christopher Koelbl
Colleague at CatalistSpringfield, Virginia, United States, United States
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SM
Spvmanonjaya Manonjaya
Colleague at CatalistIndonesia, Indonesia
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DP
Dylan Petok
Colleague at CatalistCharlotte, North Carolina, United States, United States
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Zachary Miller
Colleague at CatalistWashington, District Of Columbia, United States, United States
View →
HH
Henry Herzfeld
Colleague at CatalistWashington, District Of Columbia, United States, United States
View →
AE
Andrew E.
Colleague at CatalistWashington DC-Baltimore Area, United States
View →
LK
Luke Kaufman
Colleague at CatalistMiami-Fort Lauderdale Area, United States
View →
RS
Rachel Stowers
Colleague at CatalistGreater Philadelphia, United States
View →
SM
Sarwono Mandiri
Colleague at CatalistGambir, Jakarta, Indonesia, Indonesia
View →
MT
Mary Toole
Colleague at CatalistWashington DC-Baltimore Area, United States
View →
CK
Christopher Koelbl
Colleague at CatalistSpringfield, Virginia, United States, United States
View →
SM
Spvmanonjaya Manonjaya
Colleague at CatalistIndonesia, Indonesia
View →
DP
Dylan Petok
Colleague at CatalistCharlotte, North Carolina, United States, United States
View →
2 education records
John Zafeiropoulos education
Bachelor Of Science (Bsc), Computer Science
Master Of Science (Msc), Electronics Engineering
FAQ
Frequently asked questions about John Zafeiropoulos
Quick answers generated from the profile data available on this page.
What company does John Zafeiropoulos work for?
John Zafeiropoulos works for Catalist.
What is John Zafeiropoulos's role at Catalist?
John Zafeiropoulos is listed as Lead Software Engineer at Catalist LLC at Catalist.
What is John Zafeiropoulos's email address?
AeroLeads has found 1 work email signal at @catalist.us for John Zafeiropoulos at Catalist.
Where is John Zafeiropoulos based?
John Zafeiropoulos is based in Watertown, Massachusetts, United States while working with Catalist.
What companies has John Zafeiropoulos worked for?
John Zafeiropoulos has worked for Catalist and Ics-Forth.
Who are John Zafeiropoulos's colleagues at Catalist?
John Zafeiropoulos's colleagues at Catalist include Zachary Miller, Henry Herzfeld, Andrew E., Luke Kaufman, and Rachel Stowers.
How can I contact John Zafeiropoulos?
You can use AeroLeads to view verified contact signals for John Zafeiropoulos at Catalist, including work email, phone, and LinkedIn data when available.
What schools did John Zafeiropoulos attend?
John Zafeiropoulos holds Bachelor Of Science (Bsc), Computer Science from University Of Aberdeen.
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