Techstars Sustainability Accelerator
Techstars Sustainability Accelerator is a Techstars startup accelerator that has backed water companies since 2018. It runs short, mentor-driven programs and writes small standardized first cheques rather than large fund rounds. As of 2026 it has backed 7 water companies across 9 deals, rated Committed by (don't) Waste Water.
Compiled by Antoine Walter, (don't) Waste Water, from official filings and direct intelligence in Leviathan.
The take
Techstars Sustainability Accelerator is one of Techstars' themed accelerators, a three-month program that takes a small cohort of very early startups, surrounds them with mentors, and writes a small standardized first cheque (an accelerator places tiny early bets on many companies rather than a few big ones). It started in 2018 as a partnership with The Nature Conservancy in Colorado, built to find founders attacking food, water, and climate problems, and water has been a steady thread through it ever since.
Techstars Sustainability Accelerator backs water at the sensors-and-data layer, not the heavy concrete end. Its water names cluster around monitoring, leak detection, and water-risk intelligence: sensors dropped into storm and waste systems, soft robots that hunt leaks inside pipes, smart meters that listen for trouble, and satellite or analytics platforms that score how exposed a place or a crop is to water stress. The cheques land early, at pre-seed and seed (the first one or two rounds a startup raises), and the program leads the round (sets the terms and anchors it) more often than it follows.
Techstars Sustainability Accelerator has changed homes more than once, which matters if you are trying to find it today. The original Nature Conservancy program ran its cohorts out of Colorado through 2021; a European edition, Techstars Sustainability Paris, ran from 2022 until Techstars paused its Paris and Berlin programs in June 2025 during a company-wide restructure, with no return expected before 2026. The water-specific strand now runs as Techstars WaterTech and Sustainability from Tuscaloosa, Alabama, alongside the University of Alabama.
Techstars Sustainability Accelerator is best read as a feeder at the very front of the water pipeline: it writes the credibility-stamping first cheque, then hands the company up to the larger funds that fill out its co-investor list. For a newcomer to water, that is the useful frame, because this is where a lot of water-monitoring and water-data startups get their first institutional yes, and where you can watch which problems Techstars thinks are worth a cohort slot next.
Team · 4 profiled
Water Commitment Score
Compiled from official filings, third-party records, and direct intelligence from investors and founders, in Leviathan · recomputed monthly · as of Jun 2026.
How they invest
Portfolio · 7 water companies
Invests alongside
Highlighted = profiled on (don't) Waste Water.
Frequently asked
- What does Techstars Sustainability Accelerator invest in?
- Techstars Sustainability Accelerator backs very early climate and sustainability startups, and within that it has a clear water streak: water monitoring, pipe-leak detection, smart metering, and water-risk data. It has backed 7 water companies across 9 deals, mostly at pre-seed and seed, rated Committed by (don't) Waste Water.
- What stage and check size does Techstars Sustainability Accelerator invest at?
- Techstars Sustainability Accelerator invests at the earliest stages, pre-seed and seed, through its standard accelerator model: a small standardized cheque paired with a three-month mentorship program, not a large venture round. Its median water cheque sits around $100K, and it leads more of its rounds than it follows.
- Who runs Techstars Sustainability Accelerator?
- Techstars Sustainability Accelerator is run by Techstars managing directors rather than a single founder. Anastasia Simon leads the water-focused WaterTech and Sustainability program in Tuscaloosa, Alabama; Raphaele Leyendecker built and led the European edition, Techstars Sustainability Paris, where Audun Abelsnes later served as managing director.
- Where is Techstars Sustainability Accelerator based?
- Techstars Sustainability Accelerator has run from several homes. It began in Colorado in 2018 with The Nature Conservancy, later ran in Paris as Techstars Sustainability Paris, and its current water-specific program operates from Tuscaloosa, Alabama, alongside the University of Alabama.
- Is Techstars Sustainability Accelerator still running?
- Techstars Sustainability Accelerator still runs in water form: the Techstars WaterTech and Sustainability program in Tuscaloosa, Alabama unveiled a Fall 2024 class. Its European edition, Techstars Sustainability Paris, was paused in June 2025 during a Techstars restructure, with no return announced before 2026.