Tutor
Tutor develops AI software for robotic systems in industrial environments, having raised $79M in a Series A round. The 147-person company focuses on bridging AI, robotics, and physical operations.
The growth story
Tutor grew from 6 to 147 employees between 2021 and 2026, raising $79M along the way, most recently a Series A in December 2025.
About
Tutor builds machine learning systems that help robots understand and interact with physical environments, targeting complex industrial applications. Its technology aims to replicate human intuition in robotic decision-making.
The company reached Series A funding in December 2025 with $79M raised. With 147 employees, it draws heavily from Boston-area technical talent pools.
Founders and leadership
Sales is Tutor's largest department with 18 employees. The leadership team comes from robotics and AI backgrounds, though specific executive experience isn't detailed in the data.
The Tutor org chart
Josh Gruenstein (Co-founder & CEO) leads 23 mapped leaders with 8 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Education 43 (+95% YoY), Engineering 26 (+100% YoY), Sales 18 (+500% YoY), Operations 17 (+70% YoY), Human Resources 5 (+400% YoY), Information Technology 5 (+400% YoY).
Talent flow
MIT and Northeastern University are the top feeder schools, contributing 11 employees combined. The company recruits heavily from robotics specialists at Tulip Interfaces, Amazon's robotics division, and MIT's CSAIL lab. Alumni dispersion shows no clear pattern, with single hires moving to diverse companies including Instacart and education nonprofits. Median tenure sits at just one year.
Most common previous employers of Tutor staff: Massachusetts Institute of Technology (6), Tulip Interfaces (4), Amazon Fulfillment Technologies & Robotics (3), MIT Computer Science and Artificial Intelligence Laboratory (CSAIL) (3), RightHand Robotics (2), Northeastern University (2). Former Tutor employees most often moved to Turner Search (1), Instacart (1), Central Board of Secondary Education (1), RAI Institute (1), Give Kids The World Village (1), Pike Telecom (1).
Hiring now
Web traffic
Traffic mix: 27% direct, 62% search, 8% social, 0% paid.
What this company is made of
Most common skills at Tutor: Communication (45), Leadership (31), Python (Programming Language) (31), Customer Service (30), Microsoft Office (28), Microsoft Excel (28), Data Analysis (27), Sales (27).
Where the team actually sits
Tutor people are concentrated in Massachusetts, United States (39), Greater Boston (13), United States (5), Illinois, United States (3).
Search footprint
Tutor attracts about 32 organic search visits a month, traffic worth roughly $1K a month if bought through ads. It gained 23 ranking keywords and lost 13 in the last period.
What employees say
- Compensation
- 3.10 / 5
- Career opportunities
- 5.00 / 5
- Senior management
- 4.50 / 5
- Work-life balance
- 2.50 / 5
Frequently asked
Tutor has 147 employees as of September 2026.
Tutor has raised $79M in total, most recently a Series A round in December 2025.
Tutor was founded in 2021 by Alon Kosowsky, Josh Gruenstein.
Josh Gruenstein (Co-founder & CEO) sits at the top of Tutor's reporting structure, with 8 direct reports.
The most common previous employers of current Tutor staff are Massachusetts Institute of Technology (6 people), Tulip Interfaces (4 people), Amazon Fulfillment Technologies & Robotics (3 people).
Former Tutor employees most often move to Turner Search (1), Instacart (1), Central Board of Secondary Education (1).
Tutor attracts about 32 organic search visits a month, worth roughly $1K a month in equivalent ad spend.
The most common skills among Tutor staff are Communication, Leadership, Python (Programming Language), Customer Service, Microsoft Office.
Tutor staff are concentrated in Massachusetts, United States (39), Greater Boston (13), United States (5).
Tutor has about 43 people in Education, up 95% over the past year, as of September 2026.
Tutor has about 26 people in Engineering, up 100% over the past year, as of September 2026.
Computed from 73 current and 22 former Tutor profiles, as of September 2026. Source: Crustdata.
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