Arize AI
Arize AI provides monitoring and troubleshooting tools for AI applications, serving engineering teams that deploy AI agents and large language models. The 232-person company raised $131M in a Series C round in February 2025.
The growth story
Arize AI grew from 47 to 232 employees between 2021 and 2026, raising $131M along the way, most recently a Series C in February 2025.
About
Arize AI sells software that helps developers track and fix issues in production AI systems, particularly those using generative models. Its tools are used by teams building AI agents and LLM-powered applications that require ongoing performance monitoring.
The company has grown rapidly since its 2020 founding, reaching over 200 employees. Its $131M Series C suggests strong investor confidence in the AI observability market, with backers including Datadog and Battery Ventures.
Founders and leadership
Engineering dominates Arize AI's workforce, making up 74 of its 232 employees. The company maintains a relatively flat structure with a median tenure of just one year, indicating rapid team expansion.
The Arize AI org chart
Jason Lopatecki (Founder - CEO) leads 59 mapped leaders with 9 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Engineering 95 (+48% YoY), Sales 34 (+36% YoY), Information Technology 19 (+171% YoY), Business Development 16 (+23% YoY), Marketing 10 (+400% YoY), Product Management 9 (+125% YoY).
Talent flow
Arize AI recruits heavily from ad tech (TubeMogul) and enterprise software (Adobe, Pendo.io), with nearly a third of analyzed alumni coming from these three companies. Graduates frequently move to Google or specialized AI startups like Snorkel AI.
Most common previous employers of Arize AI staff: TubeMogul (10), Adobe (9), Pendo.io (9), IBM (7), Google (6), Apple (5). Former Arize AI employees most often moved to Google (8), Snorkel AI (2), Vespa.ai (1), MGM Resorts International (1), Zetta Venture Partners (1), Composio (1).
Alumni worth knowing
The Arize AI mafia
Four Arize AI alumni have founded companies, including Strata Capital Partners (10 employees) and Cloudglue (3 employees). The most recent spinout is Bloom, which applies AI to investment analysis.
4Matt Brennan, was Investor until 2024Amy Xiao, was Machine Learning Solutions Architect until 2024Kurt Fischman, was AI / Machine Learning, AE until 2022Eric Xiao, was Product until 2025Hiring now
Web traffic
Traffic mix: 31% direct, 46% search, 5% social, 1% paid.
What this company is made of
Most common skills at Arize AI: Python (Programming Language) (101), Leadership (77), Microsoft Office (70), Microsoft Excel (64), Java (61), Management (56), JavaScript (56), SQL (54).
Where the team actually sits
Arize AI people are concentrated in California, United States (44), San Francisco Bay Area (27), New York, United States (19), United States (10).
Search footprint
Arize AI attracts about 14,199 organic search visits a month, traffic worth roughly $22K a month if bought through ads. It gained 1,809 ranking keywords and lost 1,372 in the last period.
What employees say
- Compensation
- 4.60 / 5
- Career opportunities
- 4.80 / 5
- Senior management
- 4.80 / 5
- Work-life balance
- 4.50 / 5
Frequently asked
Arize AI has 232 employees as of September 2026.
Arize AI has raised $131M in total, most recently a Series C round in February 2025.
Arize AI was founded in 2020 by Aparna Dhinakaran, Jason Lopatecki.
Jason Lopatecki (Founder - CEO) sits at the top of Arize AI's reporting structure, with 9 direct reports.
The most common previous employers of current Arize AI staff are TubeMogul (10 people), Adobe (9 people), Pendo.io (9 people).
Former Arize AI employees most often move to Google (8), Snorkel AI (2), Vespa.ai (1).
At least 4 companies have a founder who previously worked at Arize AI, including Strata Capital Partners, ☁️ Cloudglue, Marshal.
Arize AI attracts about 14,199 organic search visits a month, worth roughly $22K a month in equivalent ad spend.
The most common skills among Arize AI staff are Python (Programming Language), Leadership, Microsoft Office, Microsoft Excel, Java.
Arize AI staff are concentrated in California, United States (44), San Francisco Bay Area (27), New York, United States (19).
Arize AI has about 95 people in Engineering, up 48% over the past year, as of September 2026.
Arize AI has about 34 people in Sales, up 36% over the past year, as of September 2026.
Computed from 192 current and 73 former Arize AI profiles, as of September 2026. Source: Crustdata.
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