Mezmo
Mezmo builds software to manage AI workflows in production environments, with a focus on reliability and cost efficiency. The company has raised $108M, most recently in a Series D in December 2021.
The growth story
Mezmo grew from 126 to 60 employees between 2021 and 2026, raising $108M along the way, most recently a Series D in December 2021.
About
Mezmo sells tools for companies running AI in production, combining a control plane called AURA with a data plane to orchestrate workflows. Its software targets teams needing to optimize AI operations, particularly those using Agentic SRE practices.
The company has been recognized as one of the fastest-growing in the U.S. by Inc. 5000 and Deloitte Fast 500. With 60 employees, it has raised $108M across four funding rounds, including a Series D in late 2021.
Founders and leadership
Engineering is Mezmo's largest function, with 18 employees. The company has a median tenure of 4 years, suggesting stable leadership and team retention.
The Mezmo org chart
Tucker Callaway (Chief Executive Officer) leads 20 mapped leaders with 11 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 25 (-14% YoY), Business Development 7 (0% YoY), Sales 5 (-29% YoY), Marketing 4 (-33% YoY), Human Resources 4 (0% YoY), Accounting 3 (0% YoY).
Talent flow
Mezmo hires from companies like Progress Chef, eko, and Shutterstock. Alumni frequently move to Datadog, ClickHouse, and IBM, indicating a strong technical talent pool.
Most common previous employers of Mezmo staff: Progress Chef (4), eko (2), Shutterstock (2), Perforce Puppet (2), Apptio, an IBM Company (2), Mercury Interactive (2). Former Mezmo employees most often moved to Datadog (5), ClickHouse (4), IBM (3), Harness (3), Minicart (3), Elastic (2).
Alumni worth knowing
The Mezmo mafia
Mezmo alumni have founded 11 companies, including Khasm Labs, Mimoto, and Dev Stream Labs. These startups collectively employ over 60 people.
11Jim Brisimitzis, was Advisor until 2018Kris Bondi, was Chief Marketing Officer until 2020Rius Chua, was Senior Customer Success Manager for IBM until 2021Carlos Feliciano, was Engineering & Technical Support Manager until 2020Albert Feng, was Product Manager until 2023
Chris Black, was Manager, Sales and Marketing Operations until 2019
Lauren Nagel, was Vice President of Product Management until 2026
Caitlin Haberberger, was Chief Financial Officer until 2024Web traffic
Traffic mix: 86% direct, 5% search, 1% social, 0% paid.
What this company is made of
Most common skills at Mezmo: Java (22), Python (Programming Language) (22), Agile Methodologies (21), Microsoft Office (19), Cloud Computing (18), Software as a Service (SaaS) (18), Leadership (17), Management (16).
Where the team actually sits
Mezmo people are concentrated in California, United States (12), San Francisco Bay Area (6), Washington, United States (3), New York, United States (2).
Search footprint
Mezmo attracts about 1,717 organic search visits a month, traffic worth roughly $32K a month if bought through ads. It gained 375 ranking keywords and lost 340 in the last period.
What employees say
- Compensation
- 4.30 / 5
- Career opportunities
- 3.60 / 5
- Senior management
- 3.50 / 5
- Work-life balance
- 4.10 / 5
Frequently asked
Mezmo has 60 employees as of September 2026.
Mezmo has raised $108M in total, most recently a Series D round in December 2021.
Mezmo was founded in 2015 by Chris Nguyen.
Tucker Callaway (Chief Executive Officer) sits at the top of Mezmo's reporting structure, with 11 direct reports.
The most common previous employers of current Mezmo staff are Progress Chef (4 people), eko (2 people), Shutterstock (2 people).
Former Mezmo employees most often move to Datadog (5), ClickHouse (4), IBM (3).
At least 11 companies have a founder who previously worked at Mezmo, including Khasm Labs, Mimoto, Dev Stream Labs.
Mezmo attracts about 1,717 organic search visits a month, worth roughly $32K a month in equivalent ad spend.
The most common skills among Mezmo staff are Java, Python (Programming Language), Agile Methodologies, Microsoft Office, Cloud Computing.
Mezmo staff are concentrated in California, United States (12), San Francisco Bay Area (6), Washington, United States (3).
Mezmo has about 25 people in Engineering, down 14% over the past year, as of September 2026.
Mezmo has about 7 people in Business Development, up 0% over the past year, as of September 2026.
Computed from 48 current and 219 former Mezmo profiles, as of September 2026. Source: Crustdata.
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