About Us

Behind every healthcare interaction lies a mountain of administrative complexity — from billing to revenue cycle management — that directly affects care, cost, and outcomes.

At Ember, we’re using intelligent automation to untangle the web of rules and regulations that govern healthcare payments, so providers can stop thinking about codes and restrictions and focus on what matters most: giving their patients the best possible care.

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The Mission

Healthcare billing processes are broken. Rules for prior authorization are change constantly, keeping billing teams up at night.

Different payers use different codes for the same treatments, confounding RCM experts. What was once confirmed to be an approval turns into a retroactive denial. All too often, payers deny coverage based on policies not published in any document or database.

Not only is it stressful and frustrating; it’s having a direct impact on patient care delivery and clinical outcomes. 73% of U.S. adults say that delays and denials by insurers are a “major problem,” and 95% of physicians say that arduous prior authorization processes contribute to burnout.

At Ember, we believe the healthcare experience should be different.

The Solution

Ember’s AI-powered platform prevents coverage denials before they happen. Ember continuously tracks the latest payment policies and payor behavior patterns that can make the difference between approval and denial.

Ember documents patients’ visits, reviews their charts, and uses its deep understanding of the payment landscape to dramatically boost approval rates while ensuring revenue integrity. In large-scale benchmarks audited by independent medical professionals, Ember consistently delivers better accuracy than certified medical coders and general-purpose AI.

Built for rapid deployment, Ember can be up and running in a matter of days. There’s no lengthy integration process, and no need for a team of consultants. Providers start seeing value right away — and even more over time, as Ember learns and adapts.

The Founders

Charlene Wang

Charlene is the CEO and co-founder of Ember. Previously a Google product manager focused on healthcare AI, Charlene collaborated with Elevance Health to develop remote patient monitoring solutions and led the launch of sleep-sensing technology at Google, improving the sleep quality of millions of users. Her research has been featured in Radiology and NEJM Catalyst. She holds a degree in Applied Mathematics, Computer Science, and Economics from Brown University.

Warren Wang

Warren is the co-founder and CTO of Ember. Previously, he conducted explainable AI research at MIT CSAIL and medical AI research with NVIDIA in collaboration with hospitals in Taiwan. Warren holds a BS in EECS/Physics and MEng in EECS from MIT. He was a gold medalist at the 50th International Physics Olympiad.

The Company

Headquartered in San Francisco, Ember is backed by leading investors including Nexus Venture Partners and Y Combinator.

Ember AI is a Y Combinator–backed company advancing AI for healthcare revenue integrity.