Closing the Ocean Data Gap with Apeiron Labs

A mosaic
A mosaic
The S2G Podcast • Ep. 69
Closing the Ocean Data Gap with Apeiron Labs
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In 2022, S2G helped found Apeiron Labs around one question: what would it take to cut the cost of collecting ocean data by a factor of 100, or even 1,000? 

The answer turned out to be low-cost underwater gliders combined with software that manages the network and processes measurements for customers. These vehicles are dual-use by design, and as demand for security rises, new investors and buyers are increasingly interested in technology that also improves weather forecasting, climate monitoring and our understanding of the ocean.

In this episode, S2G’s Sanjeev Krishnan sits down with Apeiron co-founder Ravi Pappu and CEO Rob Rainhart to talk about how far the company has come, from a PowerPoint slide to thousands of hours of operation at sea. Ravi and Rob share how advances in cars, drones, and satellites helped them solve a tough systems engineering problem, and why the cost of watching an entire hurricane season in the Gulf of Mexico could soon be a rounding error. They also explain how steady, long-term ocean measurements could become some of the most valuable inputs to AI forecasting models, and why Ravi believes the company is one large manufacturing run away from delivering that data at scale.

View the Transcript.

Key Takeaways

  • Ravi explains that ocean sensing has long relied on bespoke, research-grade vehicles built to last for years on a single costly ship deployment. Apeiron’s bet is that many low-cost sensors that collect a focused set of measurements can cut costs by two to three orders of magnitude, and the company now has thousands of hours of operation at sea to back that up.

  • Rob argues that greater use of drones could push more military activity underwater, increasing the need for ocean sensing. Ravi describes how ocean measurements can support national security missions alongside forecasting, fisheries and offshore energy. Across these applications, the shared need is a clearer, more current picture of ocean conditions.

  • Warming in the Pacific can be felt months later on the other side of the world. Rob says higher-resolution ocean data could sharpen decisions in offshore energy, shipping, insurance and reinsurance, agriculture, commodity trading, and subsea cable protection. Ravi estimates that monitoring the entire Gulf of Mexico for a hurricane season could cost just a few tens of millions of dollars a year. 

  • Ravi describes the ​“endurance trap,” in which ocean vehicles keep adding features that require more energy, making them bigger and more expensive. Apeiron avoids this trap by focusing on a defined operating range and focused set of customer needs, using commodity materials, and borrowing parts and scaling curves from the automotive, drone, and satellite industries.

  • Ravi notes that atmospheric weather models were built on decades of constant measurements from balloons, satellites and stations, and the ocean has never had that level of data. Apeiron’s ability to measure the same place over long periods could yield some of the most valuable data for foundation models, at a cost that continues to fall with scale.

Tonya Bakritzes: In our last episode, I talked with Kate Danaher and Sanjeev Krishnan about how ocean sensing technologies are dual-use, serving both commercial and defense use cases, and why they’re drawing more attention as investment in national security grows. 

This week, Sanjeev sits down with Ravi Pappu, co-founder of Apeiron (A‑per-on) Labs, and Rob Rainhart, its new CEO, to discuss how the company is making ocean measurement dramatically less expensive. The company’s air-launchable underwater gliders, called tensors, measure temperature, salinity, and currents and their software packages that data for customers to use. 

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