JETCOOL Technologies Inc.
JetCool Technologies makes liquid cooling systems for AI data centers and high-performance computing. The Massachusetts-based company, founded in 2019, raised $37M in a Series A round in October 2023 and employs 71 people.
The growth story
JETCOOL Technologies Inc. grew from 28 to 71 employees between 2022 and 2026, raising $37M along the way, most recently a Series A in October 2023.
About
JetCool sells liquid cooling technology that targets heat directly on computer chips. Its systems are used by semiconductor manufacturers and large data center operators to improve processor performance, particularly for NVIDIA, Intel and AMD chips. The company's approach uses warm coolants above 60°C to enable heat recovery and improve energy efficiency.
The company has grown to 71 employees since its 2019 founding. Its $37M Series A in late 2023 was backed by investors including Bosch Ventures, Raptor Group and ARPA-E, suggesting strong interest in its energy-efficient cooling approach for high-performance computing.
Founders and leadership
Engineering makes up nearly half of JetCool's 71-person team, with 30 engineers. The company is led by founders with backgrounds in thermal management and energy systems, supported by investors with expertise in hardware and deep tech.
The JETCOOL Technologies Inc. org chart
Elizabeth W. (Chief of Staff) leads 18 mapped leaders with 4 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 34 (+21% YoY), Operations 7 (+40% YoY), Program and Project Management 6 (+100% YoY), Sales 4 (+33% YoY), Marketing 3 (+50% YoY), Human Resources 3 (0% YoY).
Talent flow
JetCool recruits heavily from Massachusetts-area tech companies, with multiple hires from Boston Scientific, Bose and Desktop Metal. Its engineers come primarily from Northeastern University, Rensselaer Polytechnic Institute and Boston University. Alumni have moved to roles at MIT Lincoln Laboratory and Bosch Ventures.
Most common previous employers of JETCOOL Technologies Inc. staff: Boston Scientific (4), Bose (4), Desktop Metal (3), DEKA Research & Development (2), Silverside Detectors (2), Product Insight (2). Former JETCOOL Technologies Inc. employees most often moved to MIT Lincoln Laboratory (2), Raptor (1), Bosch Ventures (1), Rogers (1), T.R.E. (1), PrimaLabs (1).
Alumni worth knowing
Web traffic
Traffic mix: 0% direct, 0% search, 0% social, 0% paid.
What this company is made of
Most common skills at JETCOOL Technologies Inc.: SOLIDWORKS (26), Engineering (25), Microsoft Office (24), Product Development (21), Manufacturing (21), Microsoft Excel (21), Mechanical Engineering (20), Project Management (19).
Where the team actually sits
JETCOOL Technologies Inc. people are concentrated in Massachusetts, United States (27), Greater Boston (13), United States (5), New Hampshire, United States (2).
Search footprint
JETCOOL Technologies Inc. attracts about 127 organic search visits a month, traffic worth roughly $2K a month if bought through ads. It gained 116 ranking keywords and lost 134 in the last period.
What employees say
- Compensation
- 3.50 / 5
- Career opportunities
- 3.00 / 5
- Senior management
- 3.00 / 5
- Work-life balance
- 4.00 / 5
Frequently asked
JETCOOL Technologies Inc. has 71 employees as of September 2026.
JETCOOL Technologies Inc. has raised $37M in total, most recently a Series A round in October 2023.
Elizabeth W. (Chief of Staff) sits at the top of JETCOOL Technologies Inc.'s reporting structure, with 4 direct reports.
The most common previous employers of current JETCOOL Technologies Inc. staff are Boston Scientific (4 people), Bose (4 people), Desktop Metal (3 people).
Former JETCOOL Technologies Inc. employees most often move to MIT Lincoln Laboratory (2), Raptor (1), Bosch Ventures (1).
JETCOOL Technologies Inc. attracts about 127 organic search visits a month, worth roughly $2K a month in equivalent ad spend.
The most common skills among JETCOOL Technologies Inc. staff are SOLIDWORKS, Engineering, Microsoft Office, Product Development, Manufacturing.
JETCOOL Technologies Inc. staff are concentrated in Massachusetts, United States (27), Greater Boston (13), United States (5).
JETCOOL Technologies Inc. has about 34 people in Engineering, up 21% over the past year, as of September 2026.
JETCOOL Technologies Inc. has about 7 people in Operations, up 40% over the past year, as of September 2026.
Computed from 52 current and 42 former JETCOOL Technologies Inc. profiles, as of September 2026. Source: Crustdata.
Build this for any company
Every number on this page came from the Crustdata API. Point the MCP at a company and get the same org chart, alumni list and talent flow in one prompt.