AeroLeads people directory · profile
Tommy Tsai Email & Phone Number
Co-Founder
at
Coefficient
1 work email found
@coefficient.io
4 phones found area 650, 408, and 800
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 100%
Who is Tommy Tsai? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Tommy Tsai is listed as Co-Founder at Coefficient, based in Palo Alto, California, United States. AeroLeads shows a work email signal at coefficient.io, phone signal with area code 650, 408, 800, and a matched LinkedIn profile for Tommy Tsai.
Tommy Tsai previously worked as Founder & Managing Partner at Locus Ventures and Co-Founder at Shopular (Acq. By Rakuten Ebates). Tommy Tsai holds B.S., Electrical Engineering from Stanford University.
Company email context
Email format at Coefficient
This section adds company-level context without repeating Tommy Tsai's masked contact details.
{first}@coefficient.io
86% confidence
AeroLeads found 1 current-domain work email signal for Tommy Tsai. Compare company email patterns before reaching out.
Profile bio
About Tommy Tsai
Passionate about building and investing in technology-enabled businesses.
Listed skills include Python, Ruby On Rails, Scalability, Distributed Systems, and 6 others.
Current workplace
Tommy Tsai's current company
Company context helps verify the profile and gives searchers a useful next step.
7 roles · 10 years
Tommy Tsai work experience
A career timeline built from the work history available for this profile.
Co-Founder
Current
Jun 2019 - Present
Founder & Managing Partner
Current
2016 - Present
~10 yrs 5 mos
Co-Founder
Connecting brands & savvy shoppers. Backed by Sequoia Capital and Y Combinator. Acquired by Ebates, a Rakuten company.
Sep 2011 - Mar 2018
Founding Engineer
Engineer #1. Built technology that powers Shopkick's cross-retailer rewards program.
Aug 2009 - Jun 2011
Director Of Engineering
Early engineer. Built large portions of Loopt's backend and web app. Led server team of ~10 engineers.
Aug 2006 - Aug 2009
Jun 2005 - Sep 2005
3 education records
Tommy Tsai education
B.S., Electrical Engineering
Stanford University
Education record
Canadian International School Of Hong Kong
W2012
Y Combinator
FAQ
Frequently asked questions about Tommy Tsai
Quick answers generated from the profile data available on this page.
What company does Tommy Tsai work for?
Tommy Tsai works for Coefficient.
What is Tommy Tsai's role at Coefficient?
Tommy Tsai is listed as Co-Founder at Coefficient.
What is Tommy Tsai's email address?
AeroLeads has found 1 work email signal at @coefficient.io for Tommy Tsai at Coefficient.
What is Tommy Tsai's phone number?
AeroLeads has found 4 phone signal(s) with area code 650, 408, 800 for Tommy Tsai at Coefficient.
Where is Tommy Tsai based?
Tommy Tsai is based in Palo Alto, California, United States while working with Coefficient.
What companies has Tommy Tsai worked for?
Tommy Tsai has worked for Coefficient, Locus Ventures, Shopular (Acq. By Rakuten Ebates), Shopkick, and Loopt.
How can I contact Tommy Tsai?
You can use AeroLeads to view verified contact signals for Tommy Tsai at Coefficient, including work email, phone, and LinkedIn data when available.
What schools did Tommy Tsai attend?
Tommy Tsai holds B.S., Electrical Engineering from Stanford University.
What skills is Tommy Tsai known for?
Tommy Tsai is listed with skills including Python, Ruby On Rails, Scalability, Distributed Systems, Java, Software Development, Objective C, and Javascript.
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