Abnormal AI
Abnormal AI sells AI-powered security software that detects email and account compromises. It has raised $534M, including a Series D in August 2024, and employs 1,601 people.
The growth story
Abnormal AI grew from 231 to 1,601 employees between 2021 and 2026, raising $534M along the way, most recently a Series D in August 2024.
About
The company's software uses machine learning to identify inbound cyberattacks and compromised accounts across email and connected apps. It targets enterprises needing to protect against sophisticated phishing and account takeover attempts.
Abnormal AI has scaled rapidly since its 2018 founding, reaching over 1,600 employees. Its $534M funding includes backing from CrowdStrike's venture arm and other major security investors.
Founders and leadership
Sales is the largest department with 256 employees. The leadership team comes from security industry veterans, with median tenure at the company being just one year.
The Abnormal AI org chart
Evan Reiser (Founder & CEO) leads 60 mapped leaders with 10 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Sales 461 (+28% YoY), Engineering 370 (+29% YoY), Information Technology 183 (+20% YoY), Customer Success and Support 97 (+49% YoY), Business Development 72 (+29% YoY), Human Resources 62 (-2% YoY).
Talent flow
Abnormal AI recruits heavily from competitors, with 32 hires from CrowdStrike and 27 from Proofpoint. Alumni frequently move to other security firms like Zscaler and Cato Networks.
Most common previous employers of Abnormal AI staff: CrowdStrike (32), Proofpoint (27), Darktrace (26), Okta (26), Palo Alto Networks (25), Splunk (21). Former Abnormal AI employees most often moved to CrowdStrike (9), Zscaler (8), Cato Networks (7), Meta (7), Cyera (6), Sublime Security (6).
Alumni worth knowing
The Abnormal AI mafia
21 alumni have founded security startups, including Cogent (99 staff) and Fable Security (83 staff). Several spinouts focus on adjacent areas like collaboration security and threat detection.
24Vineet Edupuganti, was Head of Multi Product Platform Division until 2024Geng Sng, was Engineering Leader until 2022Dan Shiebler, was Head of AI/ML until 2025
Rami Habal, was Chief Customer Officer (CCO) until 2024James Pham, was Senior Product Manager in AI/ML Platforms until 2022
Oz Wasserman, was Product Management until 2022
Harsh Kanjariya, was SD-1 | AI Security Systems (Abnormal AI) until 2025
Nimit Maru, was Strategic Advisor until 2022
Thiago Santo, was Enterprise Account Executive until 2025
HariKrishnan Subramanian, was Engineering Technical Lead until 2025
Jim Modde, was Senior Enterprise Account Exec until 2023
Keika Sugiyama, was Group Product Manager until 2026
Jeremy Robb, was GTM Training and Enablement Manager until 2024
Paige Benninghoff, was Account Executive until 2026
Senthilnathan K, was Software Engineer, GenAI until 2025
Scott Harris, was Senior Product Marketer until 2023
David Welk, was Sr. Mid-Market Account Executive until 2025
Craig Thayer, was Engineering Director until 2022
Ritesh Kewlani, was Engineering Manager until 2025
Pavitra B., was Talent until 2023Hiring now
Web traffic
Traffic mix: 27% direct, 36% search, 28% social, 1% paid.
What this company is made of
Most common skills at Abnormal AI: Leadership (598), Microsoft Office (488), Customer Service (461), Management (455), Sales (418), Microsoft Excel (410), Python (Programming Language) (400), Communication (393).
Where the team actually sits
Abnormal AI people are concentrated in California, United States (53), Karnataka, India (44), Texas, United States (36), England, United Kingdom (26).
Search footprint
Abnormal AI attracts about 11,950 organic search visits a month, traffic worth roughly $86K a month if bought through ads. It gained 1,807 ranking keywords and lost 1,734 in the last period.
What employees say
- Compensation
- 3.90 / 5
- Career opportunities
- 3.80 / 5
- Senior management
- 3.40 / 5
- Work-life balance
- 3.30 / 5
Frequently asked
Abnormal AI has 1,601 employees as of September 2026.
Abnormal AI has raised $534M in total, most recently a Series D round in August 2024.
Abnormal AI was founded in 2018 by Sanjay Jeyakumar, Evan Reiser.
Evan Reiser (Founder & CEO) sits at the top of Abnormal AI's reporting structure, with 10 direct reports.
The most common previous employers of current Abnormal AI staff are CrowdStrike (32 people), Proofpoint (27 people), Darktrace (26 people).
Former Abnormal AI employees most often move to CrowdStrike (9), Zscaler (8), Cato Networks (7).
At least 21 companies have a founder who previously worked at Abnormal AI, including Cogent, Fable Security, Artemis Security.
Abnormal AI attracts about 11,950 organic search visits a month, worth roughly $86K a month in equivalent ad spend.
The most common skills among Abnormal AI staff are Leadership, Microsoft Office, Customer Service, Management, Sales.
Abnormal AI staff are concentrated in California, United States (53), Karnataka, India (44), Texas, United States (36).
Abnormal AI has about 461 people in Sales, up 28% over the past year, as of September 2026.
Abnormal AI has about 370 people in Engineering, up 29% over the past year, as of September 2026.
Computed from 586 current and 697 former Abnormal AI profiles, as of September 2026. Source: Crustdata.
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