Sanjay Jeyakumar

CEO

San Francisco, California, United States23 yrs 6 mos experience
Highly StableAI Enabled

Key Highlights

  • Founder of two successful AI companies.
  • Expert in AI transformation for Fortune 500.
  • Proven track record in machine learning and distributed systems.
Stackforce AI infers this person is a leader in AI-driven enterprise solutions with a strong background in software architecture.

Contact

Skills

Core Skills

Ai TransformationLeadershipAiEmail SecurityMachine LearningDistributed SystemsAndroid Development

Other Skills

Behavioral Data SciencePredictive AnalyticsResearchJavaGitSoftware EngineeringPythonScalabilityAlgorithmsC++HadoopLinuxSoftware DevelopmentLeading Development TeamsSoftware Design

Experience

1sphere ai

Founder & CEO

Sep 2025Present · 6 mos · San Francisco Bay Area · On-site

  • Leading 1Sphere AI to empower Fortune 500 enterprises through strategic AI transformation—multiplying opportunities, driving exponential growth, and shaping the future of business.
AI TransformationLeadership

Abnormal ai

CTO & Co-Founder

Mar 2018Present · 8 yrs · San Francisco Bay Area

  • Abnormal AI, trusted by more than 30% of the Fortune 500, is a cloud-based email security platform that uses AI to protect against email attacks:
  • Abnormal AI's platform 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.
AIEmail SecurityBehavioral Data Science

Twitter

Staff Software Architect

May 2015Mar 2018 · 2 yrs 10 mos

  • TellApart was acquired by Twitter in June 2015 for ~$500M.

Tellapart

Software Architect

Dec 2009May 2015 · 5 yrs 5 mos · San Francisco Bay Area

  • Founding Engineer at Tellapart and saw it through its acquisition by Twitter for ~$500M.
  • TellApart helps many of the world's largest retailers unlock the power of their customer data. We combine machine learning, predictive analytics, and distributed systems to power multiple personalized marketing applications, at scale.
  • 2014 - Software Architect
  • 2012-2013 - Engineering & Infrastructure Lead
  • 2010-2011 - Software Engineer
Machine LearningDistributed SystemsPredictive Analytics

Google

Senior Software Engineer

Jan 2005Dec 2009 · 4 yrs 11 mos

  • 2005-2007: Google Research reporting to Peter Norvig
  • 2007-2009: 1 of 40 engineers on the core Android launch team
Android DevelopmentResearch

Oracle

Senior Member of Technical Staff

Jan 2003Jan 2005 · 2 yrs

Parc, a xerox company

Software Engineer Intern

May 2002Aug 2002 · 3 mos

Education

Stanford University

MS — Computer Science

Jan 2003Jan 2007

University of California, Berkeley

BS

Jan 1999Jan 2003

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