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We are more than just a software company. We are a healthcare company that brings together software, clinical, financial, and operational acumen to help our clients succeed. We are industry experts who treat every client's lab as if it were our own. It is this knowledge and care for our customers that ensures we deliver measurable value. By protecting the integrity of laboratory specimens as they translate to data, and then to information, we’re able to provide healthcare professionals with a better view of what is ailing their laboratories and networks.


The Rhodes Group was founded and incorporated in 2000 with a commitment to serve the laboratory marketplace through operational efficiency, revenue collections, analytics, and lab consulting services. We have since grown, driven by the desire to help our clients solve complex problems. In 2015, the Rhodes Group was purchased by a core customer, TriCore Reference Laboratories.

Today, Rhodes Group supports thousands of end-users belonging to multiple clients, from Hawaii to the East coast of the United States.


Rhodes Group enables the comprehensive, cost-effective approach to lab evolution resulting in better patient care outcomes, more efficient operations, and greater revenue.


Become the pre-eminent healthcare lab technology provider in the nation by maximizing efficiency, accuracy and revenue capture for our laboratory and health system customers.


Rhodes Group’s C21 Partners is a collective of innovators in technology working together to support the clinical laboratory’s migration to 21st century healthcare.

TriCore is the parent company of Rhodes Group and provides subject matter expertise in our clinical and laboratory analytics. Their nationally recognized laboratory quality and process expertise is made available to the Rhodes Group as we create solutions to support TriCore initiatives.



We recognize that our employees are our company’s greatest asset. We are always in search of smart, dedicated people who are passionate about making a difference in healthcare.


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Arand Pierce, MD

Chief Medical Officer
Interim President

Dr. Pierce facilitates multidisciplinary collaboration to ensure innovation, quality, compliance, and safety in the service of TriCore's organizational vision and strategic goals. His experience includes medical directorship of infusion and apheresis services in a large health care system, including state-wide coordination and delivery of COVID therapies. He has provided leadership and services in transfusion medicine, coagulation, critical access hospital laboratory oversight, surgical and cytopathology, and hospital clinical quality review. He is a clinical associate professor of pathology at the University of New Mexico (UNM). Dr. Pierce completed medical school and residency in anatomic and clinical pathology at UNM, and a transfusion medicine fellowship at Puget Sound Blood Center.

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Sam Merkouriou

VP Innovation

Sam Merkouriou founded Rhodes Group in 2000, a company serving the clinical laboratory industry for twenty years. He takes an active role in all client projects and has been involved in the clinical laboratory industry for four decades. Sam’s expertise in laboratory, clinical, operations, claims procedures, and commitment to client service drives Rhodes Group’s software development efforts.

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Renee Ennis

Chief Financial Officer

Renee Ennis leads Rhodes Group’s accounting and finance teams, and revenue cycle operations. She earned a Master of Business Administration in healthcare management from University of Phoenix and a bachelor’s degree in finance from Central Michigan University. Renee is a graduate of Leadership New Mexico and an Albuquerque Business First 2014 Women of Influence honoree.

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Nicholas E. Dayan, PhD

Chief People Officer

Dr. Nick Dayan is responsible for Culture, Human Capital Management, Workforce Education and Development, and IT security. He holds a PhD in Gerontology and Human Sciences from the University of Nebraska, as well as a Master of Arts Degree (MA) in Human Resource Management. Dr. Dayan is an Air Force veteran.

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