PolyAI
PolyAI builds AI-powered customer service agents for enterprises, handling millions of inquiries annually. The company has raised $202M, most recently in a Series D round in December 2025.
The growth story
PolyAI grew from 162 to 372 employees between 2023 and 2026, raising $202M along the way, most recently a Series D in December 2025.
About
PolyAI develops conversational AI systems that automate customer service interactions for large companies. Its technology aims to replicate human-like dialogue to handle common customer queries.
The company has grown to 372 employees and secured $202M in funding, with its latest Series D round closing in December 2025. Its investors include Citi Ventures, Georgian, and Amadeus Capital Partners.
Founders and leadership
Engineering is PolyAI's largest function, accounting for 59 employees. The company's leadership team is based in San Mateo, California, where it was founded in 2017.
The PolyAI org chart
Nikola Mrkšić (Co-founder & CEO) leads 59 mapped leaders with 7 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 (+8% YoY), Sales 92 (+74% YoY), Business Development 31 (+29% YoY), Information Technology 19 (+19% YoY), Marketing 15 (+50% YoY), Product Management 12 (-20% YoY).
Talent flow
PolyAI recruits heavily from other enterprise communications companies, with Dialpad, 8x8, and RingCentral being its top talent sources. Alumni frequently move to AI and tech firms like LiveKit, Palantir, and Google DeepMind.
Most common previous employers of PolyAI staff: Dialpad (13), 8x8 (11), RingCentral (10), Google (6), Replicant (6), Meta (5). Former PolyAI employees most often moved to LiveKit (5), Northwestern University - Kellogg School of Management (3), Palantir Technologies (3), Synthesia (2), UnifyApps (2), Google DeepMind (2).
Alumni worth knowing
The PolyAI mafia
PolyAI alumni have founded 13 companies, including FLOWBIO, Lute, and AgileRL. These startups employ between 11 and 17 people each.
13Stefan van der Fluit, was Business Development Lead until 2020Pawel Budzianowski, was Head of Machine Learning until 2024Param Kumar, was Senior Product Manager until 2022Deyan Ulevinov, was Software Engineer until 2020Qian Zheng, was Senior GenAi Engineer until 2024
Ayush B Shah, was Engineering Team Lead until 2022
Kacper Zylka, was Software Engineer until 2021
Harrison Reeves, was Data Scientist until 2024
Derek Lewis, was VP of Engineering until 2022
Erick Chacon, was Strategic Business Development & GTM until 2025
Cameron Ehring, was Sr. Business Development Specialist until 2023Hiring now
Web traffic
Traffic mix: 30% direct, 58% search, 3% social, 4% paid.
What this company is made of
Most common skills at PolyAI: Python (Programming Language) (121), Leadership (102), Microsoft Office (101), Project Management (86), Communication (79), Sales (79), Management (78), Microsoft Excel (78).
Where the team actually sits
PolyAI people are concentrated in England, United Kingdom (69), United Kingdom (20), London Area, United Kingdom (14), New York, United States (13). 3 offices on record.
Search footprint
PolyAI attracts about 2,132 organic search visits a month, traffic worth roughly $3K a month if bought through ads. It gained 240 ranking keywords and lost 242 in the last period.
Frequently asked
PolyAI has 372 employees as of September 2026.
PolyAI has raised $202M in total, most recently a Series D round in December 2025.
PolyAI was founded in 2017 by Shawn Wen, Nikola Mrkšić, Eddy Su.
Nikola Mrkšić (Co-founder & CEO) sits at the top of PolyAI's reporting structure, with 7 direct reports.
The most common previous employers of current PolyAI staff are Dialpad (13 people), 8x8 (11 people), RingCentral (10 people).
Former PolyAI employees most often move to LiveKit (5), Northwestern University - Kellogg School of Management (3), Palantir Technologies (3).
At least 13 companies have a founder who previously worked at PolyAI, including FLOWBIO, Lute, AgileRL.
PolyAI attracts about 2,132 organic search visits a month, worth roughly $3K a month in equivalent ad spend.
The most common skills among PolyAI staff are Python (Programming Language), Leadership, Microsoft Office, Project Management, Communication.
PolyAI staff are concentrated in England, United Kingdom (69), United Kingdom (20), London Area, United Kingdom (14).
PolyAI has about 95 people in Engineering, up 8% over the past year, as of September 2026.
PolyAI has about 92 people in Sales, up 74% over the past year, as of September 2026.
Computed from 228 current and 232 former PolyAI profiles, as of September 2026. Source: Crustdata.
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