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Meet Our Leadership Team

Tim Sotos is Chairman of the Board of Clinical Reference Laboratory. He has been Chairman of the Board since 1995 and has been with CRL for over 25 years. He holds a B.S. in Economics and an M.B.A., both from the University of Pennsylvania, Wharton School of Business.

Robert Thompson is Chief Executive Officer of Clinical Reference Laboratory. Prior to joining CRL, Robert was the CEO of Emerge Diagnostics, a company focusing on its proprietary soft tissue management EFA-STM program, based on its own electrodiagnostic instrument. Prior to that, Robert spent 11 years as the CEO of eScreen as it grew into the largest provider of employment-related medical services in the country, including drug testing and pre-employment physicals. Previous experience includes roles as CEO of Orasure Technologies and CFO and COO of LabOne. Robert earned his MBA from Harvard and a BSE from Wharton School of Business at the University of Pennsylvania.

Dr. Stout serves as Chief Scientific Officer and Laboratory Director for CRL’s General Laboratory. He provides scientific direction and research leadership for all of CRL with particular focus on research for CRL’s Insurer Services business. Dr. Stout, who has been with CRL since 1983, holds more than ten U.S. Patents in science, including one for immunoassay method and apparatus development (U.S. Patent #4,414,324) and one for methods of determining chronic Hepatitis C infection (U.S. Patent #10,051,253). He is the author of numerous research and review articles and is a regular presenter at scientific meetings and conferences. Dr. Stout holds a B.S. in Biochemistry from California State University and a Ph.D. in Biological Chemistry from U.C.L.A. School of Medicine.

Dr. Fehling has been with CRL since 2008 and is a certified High Complexity Laboratory Director by the American Board of Bioanalysis (ABB). Dr. Fehling leads CRL’s Personalized Medicine business unit and serves as the Laboratory Director for CRL’s Molecular / Esoteric Laboratory. More broadly, Dr. Fehling provides scientific leadership across all business units at CRL with her extensive experience in laboratory management, new assay development, and business development.  Prior to CRL she served as the Director of the Genomics Laboratory at Children’s Mercy Hospital, and the Director of Genomics at the Stowers Institute for Medical Research. Dr. Fehling earned her Ph.D. in Molecular Genetics from Texas A&M University. In addition to her HCLD certification, Dr. Fehling is a certified Technical Supervisor in Molecular Diagnostics and a Clinical Consultant by the American Board of Bioanalysis (ABB).

Dr. Johnson joined CRL in 2021. He recertified in anatomic, clinical, and hematopathology. He served as Vice President and Global Medical Director at the CRO ICON PLC, overseeing global laboratory harmonization and accreditation, working on companion diagnostic and laboratory developed tests including next generation sequencing (NGS), digital droplet PCR, and 26 color flow cytometry, remote or virtual clinical trials, real world data (RWD), real world evidence (RWE), artificial intelligence (AI), digital pathology imaging, strategic acquisitions, early phase to phase IV protocols and clinical trials, pharmacovigilance, patient safety, medical and regulatory affairs, and COVID-19 testing, antiviral therapy, and mRNA vaccine trials. He served as Clinical Assistant Professor in Pathology at the University of Oklahoma College of Medicine-Tulsa, he holds CAP, CLIA, and New York State Department of Health licenses, multiple Certificates of Qualification (COQ), and he serves as a College of American Pathology (CAP) inspector and checklist reviewer, including for molecular diagnostics, flow cytometry, and histocompatibility. He performed the largest unpublished complete blood count (CBC) reference range study of 1.5 million patients, finding differences by gender and decade of age. He helped develop a data warehouse devising disease testing algorithms, improving sensitivity and specificity, reducing cost and turnaround, enabling a reference laboratory to become one of two preferred providers for Blue Cross Blue Shield of Oklahoma, outcompeting with Quest and LabCorp. He earned his BA and MD degrees from Dartmouth, trained in anatomic and clinical pathology at Washington University and St. Louis School of Medicine and Barnes Jewish Children’s Hospital, he completed fellowships in surgical and hematopathology at the University of Pittsburgh Medical Center, mentored by Dr. Steven Swerdlow, Senior Editor of the World Health Organization (WHO) Classification of Tumours of Haematopoietic and Lymphoid Tissues, published in high impact peer reviewed journals, and been a reviewer for Clinical Chemistry, Journal of Clinical Oncology, and Clinical and Applied Immunology.

T.J. Sotos is the Chief Operating Officer of Clinical Reference Laboratory. TJ has been with the company since 2008, serving in numerous roles in the areas of accounting/finance, supply chain, laboratory operations, customer operations, and sales and marketing. He is responsible for overseeing the core operating functions of the company, which include laboratory operations, supply chain management, facilities, and customer experience. TJ holds a BBA in Business Administration and an MBA, both from Southern Methodist University.

Dan Pichler is the Chief Information Officer of Clinical Reference Laboratory. Dan is an IT innovative career technology leader with over 25 years of leadership experience delivering creative, business-driven outcomes and value-driven solutions. He has proven leadership experience ranging from evaluating and implementing technologies, building and migrating data centers, partnering with business executives, building and executing aligned strategies, and achieving organizational objectives and goals by leveraging IT capabilities. Dan has both an MBA and a Masters of Information Systems Management.

Stephen Nixon is the Chief Financial Officer of Clinical Reference Laboratory and has over 17 years of accounting and finance experience. Prior to CRL, he was with Tyr Energy, serving as their lead accountant. Prior to Tyr Energy, Stephen was with KPMG, where he served as an audit Senior Manager, leading SEC registrant and private company audits. Stephen is a certified public accountant and holds a B.S. and a Masters in Accountancy from the University of Missouri-Columbia.

Susan Meyer, who has over 25 years of human resource experience, has been with CRL since 1994 and has served as Vice President of Human Resources since 2007. She is responsible for the Human Resource operation, which includes leadership development, corporate staffing, employee relations, compensation, benefits, and the company administrative function. Susan holds a B.S. in Business Administration from the University of Kansas.

Brian Coens leads CRL’s Insurer Services business unit, which focuses on providing risk assessment services to life and other insurance companies. He has been with CRL since 1988 and has more than 25 years of experience in the life insurance industry, specifically in risk assessment and laboratory services. Brian was also instrumental in the founding of CRL PLUS, which is CRL’s affiliate that provides underwriting automation and services to life insurance clients. Brian holds a B.S. in Business Administration from Wichita State University.

Dan Wittman leads CRL’s business that focuses on the laboratory and risk assessment needs of employers and related intermediaries that ultimately serve employers. Employer and related customers rely on CRL for drugs of abuse, wellness, clinical and other laboratory and risk assessment services. He also oversees CRL’s distributor/reseller customer channel. Dan previously served as Executive Director of Toxicology Sales & Marketing for CRL. He has held numerous positions as he has advanced in leadership and responsibility since joining CRL in 1996. Dan earned his MBA from Baker University.

James Sotos is the Vice President of Wellness and CRL Plus. He brings 10 years of experience across diverse roles, which include leading accounting, supply chain and various operational teams. He previously served as the Chief Business Officer of FormFox, Inc., a leading digital platform for safety sensitive industries. James holds a BBA in finance from Southern Methodist University and an MBA from the University of Kansas.

Mark Magee has been with CRL since 1983 and has served as a CRL Vice President since 1988. He oversees CRL’s general laboratory operations, including the areas of chemistry, hematology, serology and urinalysis. In addition, Mark oversees customer operations for CRL’s Insurer Services business. Prior to joining CRL, he served as an Assistant Director at Enzyme Technology. Mark holds an MBA and a Masters in Physiology from the University of Kansas. He has a B.S. in Cellular Biology from the University of Kansas.

Jonathan Oberg is CRL’s Vice President of Digital Innovation & Strategy. Jonathan has helped companies solve their unique business problems via CRL’s services since 1989, serving in a number of IT-related roles and as a VP since 2007. Jonathan earned his MBA from the University of Kansas, and presently focuses on leveraging CRL’s lab & digital expertise in partnership with key clients to transform business processes.

Allen Jones is the Vice President of Legal Affairs for Clinical Reference Laboratory. He oversees all legal and compliance functions and serves as the company’s corporate secretary. Allen has over 15 years of experience practicing law in corporate and large law firm settings. He earned his J.D. and B.S. in Business Administration from the University of Kansas.

Dr. Kuntz has been with CRL since 2006 and is a Board Certified Toxicologist. He is a national expert in urine adulteration and drug detection in urine, oral fluid, hair, and sweat using GC/MS, GC/MS/MS and LC/MS/MS. He has worked in workplace drug testing for over twenty years. He has testified extensively for employment hearings, child endangerment proceedings, military court-martial courts, Federal merit system protection boards, the FAA, and Department of Energy regarding drug use, interpretation, and adulteration of urine samples. In addition to workplace testing, Dr. Kuntz has been involved for many years in developing drugs of abuse testing panels for medical professionals. Dr. Kuntz is an inspector for the SAMHSA and CAP forensic drug testing programs. He currently serves on the editorial board for Clinical & Forensic Toxicology News and as a consultant to the MRO Examination Development Committee for the Medical Review Officer Certification Council (MROCC). Dr. Kuntz received his B.S. in Pharmacy from North Dakota State University and practiced five years as a retail and hospital pharmacist. He went on to receive his Masters of Science in Pharmaceutical Sciences from the University of Oklahoma and his Ph.D. in Pharmaceutical Sciences from North Dakota State University. He further completed a post-doctoral program in biochemical toxicology at Washington State University and the University of Utah.

Dr. Clinton is a board certified clinical chemist by the American Board of Clinical Chemistry. Dr. Clinton serves as the laboratory director for CRL’s EU Laboratory and for CRL’s Olathe, KS laboratory, and as an assistant director of CRL’s General Laboratory and Molecular/Esoteric Laboratory. Prior to joining CRL in 2012, Dr. Clinton served as an assistant lab director and a post-doctoral fellow at the University of Utah/ARUP Laboratories. Dr. Clinton holds a B.S. in Medical Technology from the University of Southern Mississippi and a Ph.D. from the University of Tennessee Health Sciences Center, followed by a post-doctoral fellowship in clinical chemistry at the University of Utah/ARUP Laboratories. He is a diplomat of the American Board of Clinical Chemistry (DABCC).