AeroLeads people directory · profile
Justin Chang Email & Phone Number
Chief Product and Technology Officer
at
Extern
1 work email found
@paragonone.com
6 phones found area 347, 267, 917, 617, and 313
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 86%
Current company
Role
Chief Product and Technology Officer
Location
New York, New York, United States
Company size
Who is Justin Chang? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Justin Chang is listed as Chief Product and Technology Officer at Extern, a company with 2067 employees, based in New York, New York, United States. AeroLeads shows a work email signal at paragonone.com, phone signal with area code 347, 267, 917, 617, 313, and a matched LinkedIn profile for Justin Chang.
Justin Chang previously worked as Chief Product & Technology Officer at Extern and Advisor at Pga Of America. Justin Chang holds Bs, Finance, Management from The Wharton School.
Company email context
Email format at Extern
This section adds company-level context without repeating Justin Chang's masked contact details.
{first}@paragonone.com
86% confidence
AeroLeads found 1 current-domain work email signal for Justin Chang. Compare company email patterns before reaching out.
Profile bio
About Justin Chang
Justin Chang is a Chief Product and Technology Officer at Extern.
Current workplace
Justin Chang's current company
Company context helps verify the profile and gives searchers a useful next step.
Extern
14 roles · 28 years
Justin Chang work experience
A career timeline built from the work history available for this profile.
Chief Product & Technology Officer
Current-Extern provides work experience for anyone launching their career
May 2023 - Present
Apr 2021 - Present
Oct 2021 - May 2023
Collaborative Founder
-Cofounded, launched, and incubated a developer tools/API startup with AlleyCorp
Jan 2022 - Jan 2023
Vp Of Product
-Managed product management, product design, user research, product operations teams; executive leadership team
2016 - Oct 2021
Head Of Product & Engineering
-Managed engineering, product management, product design, user research; executive leadership team-Joined at seed stage and helped achieve product market fit
2014 - 2016
~2 yrs
2017 - 2020
~3 yrs
Sr. Product Manager
Ahalife
-Built luxury marketplace platform; 1st product manager at company
2011 - 2014
~3 yrs
2007 - 2011
~4 yrs
Associate Consultant
-Advised Fortune 500 companies on a variety of strategic and operational issues
2003 - 2006
~3 yrs
Co-Founder
Collegepaths
-Built platform that helps high school students with the college admissions process
2001 - 2004
~3 yrs
Board Director
-Directed and coordinated a student-run credit union with 100 employees
2000 - 2004
~4 yrs
Founder
Peertutor
-Launched platform that helps students with state-wide examinations
1998 - 2000
~2 yrs
1 education record
Justin Chang education
-
The Wharton School
FAQ
Frequently asked questions about Justin Chang
Quick answers generated from the profile data available on this page.
What company does Justin Chang work for?
Justin Chang works for Extern.
What is Justin Chang's role at Extern?
Justin Chang is listed as Chief Product and Technology Officer at Extern.
What is Justin Chang's email address?
AeroLeads has found 1 work email signal at @paragonone.com for Justin Chang at Extern.
What is Justin Chang's phone number?
AeroLeads has found 6 phone signal(s) with area code 347, 267, 917, 617, 313 for Justin Chang at Extern.
Where is Justin Chang based?
Justin Chang is based in New York, New York, United States while working with Extern.
What companies has Justin Chang worked for?
Justin Chang has worked for Extern, Pga Of America, Clear (Clearme.Com), Alleycorp, and Classpass.
How can I contact Justin Chang?
You can use AeroLeads to view verified contact signals for Justin Chang at Extern, including work email, phone, and LinkedIn data when available.
What schools did Justin Chang attend?
Justin Chang holds Bs, Finance, Management from The Wharton School.
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