Katalyst Raises $100

VALIS

VALIS builds AI-powered software that makes recycling more profitable, material supply chains more sustainable, and closes the loop on a circular economy for metal fabrication.

ESS

ESS Tech, Inc. (NYSE: GWH) is a leading manufacturer of long-duration energy storage solutions. ESS was established in 2011 with a mission to accelerate decarbonization safely and sustainably through longer lasting energy storage. Using easy-to-source iron, salt, and water, ESS iron flow technology enables decarbonization, energy security, reliability and resilience. We build flexible storage solutions that allow our customers to meet increasing energy demand and maximize the use of renewable energy.

DoubleVerify

DoubleVerify is a leading software platform for digital media measurement and analytics. Our mission is to help advertisers succeed. Hundreds of Fortune 500 advertisers employ our unbiased data and analytics to drive campaign quality and effectiveness, and to maximize return on their digital advertising investments – globally. Learn more at www.DoubleVerify.com.

Ambra

EMS doesn't grow revenue by running more calls; It grows by getting paid for the calls it already runs. Ambra delivers voice-first documentation for crews to produce clean, defensible PCRs and billing-ready claims. We complete reimbursement packets in 24h, optimize charts and coding, and dispute denials from payers to win a ~15% uplift from commercial insurance. 100% HIPAA compliant. Backed by ENIAC and Euclid ventures

Arini

Arini is the AI transformation partner for dental organizations. Backed by Y Combinator, we're a team of AI-native engineers from MIT and Harvard partnering with leading dental practices and DSOs to deploy advanced AI technologies and workflow automations. From our flagship AI Receptionist that handles 15,000+ calls daily to our AI Operating System and Forward-Deployed Engineers, we’re on a mission to help our clients leverage the power of AI to redefine operational excellence.