When the conversation turns to AI, most people think about chatbots writing grocery lists or large language models arguing with lawyers. Meanwhile, in Seattle, Phaidra has been quietly bending the energy curve on the facilities that actually keep the digital age from collapsing under its own weight. While most startups pitch vapor, Jim Gao, Vedavyas Panneershelvam, and Katie Hoffman are shipping AI agents that control the beating hearts of data centers, pharma manufacturing plants, and district energy systems. And this week, that vision just pulled in a Series B of $50M+, led by Collaborative Fund with Helena, Index Ventures, NVIDIA, and Sony Innovation Fund doubling down.
Let’s pause on that number. $50M doesn’t just materialize because investors got sentimental. It shows the world finally gets what Phaidra’s been proving since 2019: that industrial AI isn’t about dashboards and spreadsheets, it’s about autonomous systems that save 15–30% of energy usage right out of the gate, and in some cases hit 40%. These aren’t science fair numbers. These are bottom-line swings at scale, the kind that Fortune 100 customers notice when the bills drop and regulators stop calling.
Phaidra was born from the DeepMind lab where Jim Gao and Vedavyas Panneershelvam tuned algorithms that made Google’s data centers 40% more efficient. That’s where the seed was planted. Katie Hoffman brought the industrial controls expertise to make the idea commercial. Together they created an AI system that doesn’t just monitor; it learns, adapts, and optimizes in real time, sliding into legacy infrastructure without forcing operators to buy new hardware. That detail matters because no plant manager in the world wants to rip and replace what already works.
The company calls its AI agent Alfred, and like a good butler, Alfred never sleeps. It orchestrates thousands of sensor inputs across cooling systems, chillers, and power management to keep facilities humming without human babysitting. And it keeps getting smarter. That’s not marketing spin, it’s the differentiator. Traditional industrial controls are rigid, hard-coded, and outdated the second the ink dries. Phaidra’s tech evolves with the environment, a digital operator that never needs a coffee break.
This raise takes total funding past $87M, stacked on top of a $25M Series A from Starshot Capital and a $12M bridge led by Index Ventures. Add in early believers like Mark Cuban, Section 32, and Mustafa Suleyman, yes, that Mustafa Suleyman now running Microsoft AI, and you’ve got a cap table that reads like a hall of fame roster. These investors aren’t tourists. They’re here because Phaidra isn’t just solving a problem, they’re attacking one of the most expensive inefficiencies on the planet: data centers sucking down 1–2% of global electricity, a number expected to triple thanks to the AI boom.
The new funding will accelerate Phaidra’s expansion into high-cost energy markets, deepen its collaboration with NVIDIA, and grow its portfolio of AI agents for liquid cooling, chiller plants, and workload management. Translation: the next generation of AI infrastructure won’t just be smarter in the cloud, it’ll be more efficient in the basement where the heat lives.

