Phaidra
Phaidra builds AI software for data center and AI factory operations, with products that monitor mechanical systems and orchestrate power and cooling. The company has raised $93M and employs 95 people.
The growth story
Phaidra grew from 18 to 95 employees between 2021 and 2026, raising $93M along the way, most recently a Series B in October 2025.
About
Phaidra sells AI tools for managing data centers and AI factories. Its Prism platform uses large language models to help operations teams monitor mechanical systems and interact with building management software. A second product line focuses on AI agents that optimize power and cooling systems.
The company has raised $93M, including a Series B in October 2025. Its investor list includes Amazon and Google DeepMind alumni. Phaidra employs 95 people, with engineering making up nearly a third of its workforce.
Founders and leadership
Engineering is Phaidra's largest function, accounting for 29 of its 95 employees. The company is led by a team with backgrounds in AI and industrial systems, drawing heavily from Google DeepMind and traditional HVAC companies.
The Phaidra org chart
Jim Gao (CEO & Co-founder) leads 31 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 48 (-6% YoY), Sales 5 (+25% YoY), Information Technology 5 (-29% YoY), Business Development 5 (-29% YoY), Arts and Design 5 (+25% YoY), Product Management 4 (0% YoY).
Talent flow
Phaidra's workforce comes primarily from Google (10 hires) and Google DeepMind (8), with additional hires from industrial firms like Trane and Johnson Controls. Alumni have moved to Meta and smaller AI startups, with a median tenure of two years.
Most common previous employers of Phaidra staff: Google (10), Google DeepMind (8), Trane (5), Microsoft (4), Johnson Controls (4), Google Summer of Code (2). Former Phaidra employees most often moved to Meta (3), Mercor (1), STULZ USA (1), Practical AI (1), Multiplier (1), Kantiv (1).
Alumni worth knowing
Hiring now
Web traffic
Traffic mix: 56% direct, 26% search, 8% social, 1% paid.
What this company is made of
Most common skills at Phaidra: Python (Programming Language) (33), Leadership (25), Project Management (23), JavaScript (22), C++ (21), Machine Learning (19), Java (19), Microsoft Office (19).
Where the team actually sits
Phaidra people are concentrated in Washington, United States (8), California, United States (8), England, United Kingdom (7), United Kingdom (6).
Search footprint
Phaidra attracts about 46 organic search visits a month, traffic worth roughly $0K a month if bought through ads. It gained 2 ranking keywords and lost 5 in the last period.
What employees say
- Compensation
- 4.60 / 5
- Career opportunities
- 4.40 / 5
- Senior management
- 4.50 / 5
- Work-life balance
- 4.50 / 5
Frequently asked
Phaidra has 95 employees as of September 2026.
Phaidra has raised $93M in total, most recently a Series B round in October 2025.
Phaidra was founded in 2019 by Vedavyas Panneershelvam, Jim Gao.
Jim Gao (CEO & Co-founder) sits at the top of Phaidra's reporting structure, with 4 direct reports.
The most common previous employers of current Phaidra staff are Google (10 people), Google DeepMind (8 people), Trane (5 people).
Former Phaidra employees most often move to Meta (3), Mercor (1), STULZ USA (1).
Phaidra attracts about 46 organic search visits a month, worth roughly $0K a month in equivalent ad spend.
The most common skills among Phaidra staff are Python (Programming Language), Leadership, Project Management, JavaScript, C++.
Phaidra staff are concentrated in Washington, United States (8), California, United States (8), England, United Kingdom (7).
Phaidra has about 48 people in Engineering, down 6% over the past year, as of September 2026.
Phaidra has about 5 people in Sales, up 25% over the past year, as of September 2026.
Computed from 74 current and 61 former Phaidra profiles, as of September 2026. Source: Crustdata.
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