Built by Owner-Operators

Dr. Rainey is an analytical chemist, toxicologist, and clinical scientist with more than 20 years of experience in healthcare, diagnostics, and laboratory services. He previously served as Chief Operating Officer and Chief Scientific Officer for a national diagnostic services enterprise, where he led strategic operations, scientific initiatives, and service delivery across the country for nearly two decades.

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Early in his career, Dr. Rainey was a pioneer in the design and implementation of advanced clinical testing laboratories within physician practices, hospitals, and health systems. His work helped establish practical models for integrating high-quality laboratory capabilities directly into clinical environments.

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Through this work, he helps client-partners build practical, compliant testing models that improve patient care, support provider decision-making, and strengthen practice performance.

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Petra is a Master’s-level chemist who previously served as Director of Laboratory Operations for a national diagnostics services enterprise supporting hundreds of laboratories across the country over more than a decade. In this role, she led multi-site operations, personnel training, and technical oversight at scale.

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Her expertise includes LC-MS data review and report certification, method application development, validation protocol and SOP drafting, and regulatory compliance documentation. Through this work, she has helped laboratories operate efficiently, accurately, and within established quality and compliance standards.

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Petra works closely with scientific and operational teams to maintain high-performing, audit-ready environments. She is committed to delivering accurate, high-quality, and compliant patient results that providers can rely on to support informed decision-making and quality patient care.

RightSize Laboratories is proud to partner with ChemQuant, a nationally positioned analytical laboratory and technical services organization with more than 10 years of providing high-quality, technical solutions for their clients. Through this strategic partnership, we combine clinical integration with deep scientific expertise, including Ph.D.-level scientists, application specialists, analytical laboratory capabilities, and experienced service engineers.

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Together, we deliver a more complete and scalable solution—bringing advanced testing platforms, technical support, and operational excellence directly to the point of care.