02/10/2025
Salt Lake City– Medical Review Institute of America (MRIoA), a provider of outsourced utilization management and clinical review solutions to payer organizations, announced that Megan Callahan has joined the company as its new Chief Executive Officer. A proven leader in healthcare services and technology, Callahan brings over 25 years of experience scaling innovative and tech-enabled healthcare businesses. Callahan will succeed Ron Sullivan, who retired at the end of January.
Callahan is a dynamic healthcare leader having spent much of her career at the intersection of technology and outsourced solutions that impact patients, providers and payers. Prior to joining MRIoA, Callahan held leadership roles at Lyft Healthcare, Change Healthcare, and McKesson Technology Solutions, among others. Callahan holds a Master of Public Health from UCLA. She joins MRIoA as CEO and a member of the Board of Directors.
“I’m thrilled to be joining MRIoA. It’s a company with a long history of driving positive impact in the healthcare industry. The need for our technology and services has never been greater as we continue to innovate and reduce complexity for patients, providers and payers. I’m excited to join a team with such deep expertise and a track record of providing outstanding results for clients,” said Callahan. “I applaud Ron for all he has done over the past six years to get MRIoA to where it is today. We have a tremendous opportunity to continue to scale the company and grow our industry impact in the years ahead.”
“We are very excited to have Megan join MRIoA as CEO,” said Dan Killeen, Partner at Parthenon Capital. “Megan’s experience bringing strategic vision and a transformational mindset to leading healthcare businesses make her uniquely suited to lead MRIoA during this next chapter. We would also like to thank Ron for his contributions since joining the business in 2018 and wish him well.”
MRIoA is supported by Parthenon Capital, a leading growth-oriented private equity firm focused on building franchise companies in healthcare technology and outsourced solutions.
About MRIoA
Founded in 1983, Medical Review Institute of America, LLC (MRIoA) is a leading clinical review company in the United States. With one of the largest, most extensive clinical review networks, industry-leading turnaround times, and utilization review licensing in all states that require it, their professionalism, enthusiasm and collaborative approach are transforming clinical care delivery nationwide. MRIoA is a technology-enabled provider of clinical insights to payers and patients through analytics and evidence-based clinical opinions derived from independent specialty reviews and virtual second opinion solutions that empower better decision-making. For more information, visit www.mrioa.com.