Sanjay Jeyakumar

CTO & Co-Founder, Abnormal AI
San Francisco, California,United States
Find Sanjay Jeyakumar's Email
Find Sanjay Jeyakumar's Phone

Who Is Sanjay Jeyakumar?

Total Experience23 years
CompanyAbnormal AI
CountryUnited States

Sanjay Jeyakumar is a seasoned technology leader and entrepreneur with over two decades of experience in software engineering and architecture. He is the Co-Founder and CTO of Abnormal AI, a cloud-based email security platform that uses AI to protect against sophisticated email attacks. Prior to Abnormal AI, Sanjay held key engineering roles at Twitter (via the acquisition of TellApart), Google, Oracle, and PARC (Xerox). He holds a Master's degree in Computer Science from Stanford University and a Bachelor's degree in EECS from the University of California, Berkeley.

How Did Sanjay Jeyakumar's Career Path Shape Their Journey?

Sanjay Jeyakumar's work history includes a series of influential roles in various companies. Here is a detailed list of his professional journey:

Abnormal AI - CTO & Co-Founder(2018 to Present)
Twitter - Staff Software Architect(2015 to 2018)
TellApart - Software Architect(2009 to 2015)
Google - Senior Software Engineer(2005 to 2009)
Oracle - Senior Member of Technical Staff(2003 to 2005)
PARC, a Xerox Company - Software Engineer Intern(2002 to 2002)

What Are Sanjay Jeyakumar's Key Achievements?

Co-Founder & CTO of Abnormal AI

Helped build Abnormal AI, a cloud-based email security platform leveraging AI to protect against email attacks, now trusted by more than 20% of the Fortune 500.

Staff Software Architect at Twitter

Played a key role in TellApart's integration into Twitter after its acquisition for approximately $500 million.

Engineering Roles at Google

Contributed to Google Research and was a core member of the Android launch team.

What's Sanjay Jeyakumar's Educational Background?

MS, Computer Science

Stanford University - Year 2003

BS, EECS, Engineering, Computer Science

University of California, Berkeley - Year 1999

Buying Intent Signals for Sanjay Jeyakumar

Highperformr Signals uncover buying intent and give you clear insights to target the right people at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance

Company Overview

Abnormal AI
Total employees201
HeadquartersSan Francisco
Founded2018

Abnormal AI is a cloud-based email security platform that uses AI to protect against email attacks. It uses AI-based behavioral data science to protect against a variety of email attacks, including phishing, malware, ransomware, and social engineering. It also detects compromised accounts across email and connected applications.

Abnormal AI Funding Information
Unknown - Total Funding Raised
$50M - Most recent funding amount
5 - Number of funding rounds
June 15, 2021 - Latest funding round
Lead Investors:
Menlo Ventures
Greylock
Index Ventures
Lightspeed Venture Partners
General Catalyst

Highperformr's free tools for company research

Find contact info

Get verified emails, phone numbers, and LinkedIn profile details

Find similar contacts

Discover contacts with similar roles, seniority, or companies

Perform deep contact research

Uncover insights like skills, work history, social links, and more

Discover, research and enrich contacts with Highperformr — Smarter, Faster

Explore contacts in-depth — from verified emails and phone numbers to LinkedIn activity, job changes, and more — all in one powerful view.

Highperformr AI helps you surface the right people and enrich your CRM with live, accurate contact insights so your teams can connect faster and close smarter.

  • Track signals like job change, promotion, and LinkedIn activity
  • Enrich contacts with verified email, phone, and social data instantly
  • Automate enrichment and updates with powerful workflows
  • Sync enriched contact info directly into your CRM and tools

Thousands of contacts — including decision-makers, influencers, and ICP matches — are just a search away.

Thousands of companies, including, are just a search away.