Meet our team of experts

These are the people behind the movement for fair billing.

Merrit Quarum, MD
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Merrit Quarum, MD

Chief Executive Officer

After graduating from Oregon Health Sciences University, completing a fellowship in neuropharmacology at Vollum Institute of Advanced Biomedical Research, serving on the board for the Portland Rescue Mission for over 20 years, and founding Qmedtrix, Dr. Quarum founded WellRithms. As an expert in medical reimbursement and a legal expert with courtroom experience, he leads WellRithms in its mission to simplify payor and reimbursement models, having created the first integrated utilization management/bill review system.

Meghan Cerotsky
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Meghan Cerotsky

Chief Financial Officer

Meghan brings a fresh, creative perspective to the world of finance, holding dual degrees from Washington State University in Fine Arts and Accounting. With over 15 years in finance, she put those degrees to work, serving in various roles in the healthcare and auditing sectors. With WellRithms, Meghan uses her specialization in healthcare finance to make healthcare more transparent and cost-effective.

Kelvin Yip
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Kelvin Yip

Chief Revenue Officer

As Chief Revenue Officer Kelvin leads the charge in revolutionizing healthcare billing transparency and accountability through innovative AI solutions. With a commitment to transforming complex billing systems into clear, fair, and actionable processes, Kelvin brings a wealth of expertise in datadriven strategy and product development.

Before joining WellRithms, Kelvin served as Global Vice President of Product Management and other roles at Nike.  Here, he led cutting-edge initiatives to elevate customer experiences and drive global product innovation and apply advanced data analytics to inform strategic decisions.

Jesse Ngyuen
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Jesse Ngyuen

Chief Medical Officer

After earning his medical degree from Texas Tech University and recieved surgical training at the University of Arizona and Mayo Clinic, Dr. Jesse Nguyen built a strong foundation in general surgery and medical research. He joined WellRithms in 2021, bringing his expertise in evidence-based medical review to ensure fair, transparent, and accurate provider payments. Now, as Chief Medical Officer, he leads the medical review team in identifying and eliminating excessive billing.

Brandon Chirco
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Brandon Chirco

General Counsel

Acting as General Counsel at WellRithms, Brandon leverages his deep legal expertise and strategic insight to guide corporate governance, risk management, and business growth initiatives. With extensive experience in legal leadership, Brandon plays a central role in aligning organizational objectives with sound legal, business, and ethical practices. He combines a pragmatic understanding of complex regulatory environments with a business-focused mindset, helping companies navigate challenges while accelerating innovation. Brandon’s strengths include cross-functional collaboration, thoughtful risk assessment, and crafting solutions that protect stakeholders and enable long-term success. Brandon is committed to fostering compliant, resilient, and high-performing organizations, bringing a blend of legal acumen, strategic vision, and hands-on leadership to every initiative.

Reach out to our experts

Now that you know our team, tell us more about yourself and how we can help you or your group level the paying field.

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