General InformationAmbri is a Marlborough, Massachusetts-based energy storage company founded in 2010 as an MIT spinout, with approximately 51–62 employees, commercializing its Liquid Metal™ battery technology for grid-scale applications.
Funding & FinancialsAmbri has raised approximately $222–270M in total funding across multiple rounds, including a landmark $144M Series E in 2021 led by Reliance New Energy Solar, Paulson & Co., Gates Frontier (Bill Gates), and Fortistar; following Chapter 11 bankruptcy in May 2024, its assets were acquired by a consortium of existing lenders for ~$38M+ in a Section 363 sale closed July 31, 2024.
Leadership & TeamCEO David Bradwell, co-founder and co-inventor of the Liquid Metal™ battery, assumed the role in August 2024 after serving as CTO since inception; co-founder and MIT professor Donald Sadoway serves as Chief Scientific Advisor.
Recent ActivityIn July 2024, Ambri successfully emerged from Chapter 11 bankruptcy restructuring with a fresh balance sheet, new capital from its lender consortium, and reaffirmed plans to ship its first containerized commercial storage systems by 2025; it also completed a 12-month pilot with Xcel Energy at SolarTAC in Colorado testing a 300 kWh Liquid Metal system.