Meet the Team

Shelly Gunn MD, PhD, FCAP – Medical Director, PacificDx


Dr. Shelly Gunn is the Medical Director for Pacific Diagnostics Clinical Laboratory, Irvine, CA, a subsidiary of ResearchDx. A Board Certified Pathologist, Dr. Gunn specializes in genomic biomarker identification for the delivery of precision medicine in oncology. Through her multiple peer reviewed publications, and speaking engagements across the US, Dr. Gunn has established a reputation as an expert in the field of breast cancer molecular pathology.

A graduate of the UTHSC Medical School in San Antonio where she also completed her residency, Dr. Gunn served as a Department of Pathology member until 2006 when she became the first Medical Director of Combimatrix Molecular Diagnostics in Irvine, CA. There she worked closely with Dr. Philip Cotter and Dr. Mat Moore to develop oncology applications for DNA microarray based comparative genomic hybridization (array CGH). The former collaboration provides the current PacificDx management team with the most extensive experience in the industry for DNA-based chromosome analysis of solid tumors.

A native Texan, Dr. Gunn is based in San Antonio TX where she resides with her husband, yellow Labrador retrievers, a cat and assorted birds.




Philip D. Cotter, PhD, FACMG, FFSc (RCPA) – Laboratory Director, PacificDx


Dr. Cotter is the Laboratory Director and Co-Founder of PacificDx, Clinical Laboratory. Originally from New Zealand, Dr. Cotter has dedicated his professional life to advancing precision medicine to the next level. With an international reputation as an expert, an in demand speaker, and a prolific author in the fields of genetic diagnostics, companion diagnostics and personalized medicine, Dr. Cotter frequently represents his firm at numerous world-wide conferences and symposiums. Having received his doctorate in Biomedical Sciences from the Department of Human Genetics at the Mount Sinai School of Medicine in New York, he is Board Certified by the American Board of Medical Genetics and Genomics in both Clinical Cytogenetics and Clinical Molecular Genetics, is a Fellow of the American College of Medical Genetics and  as well as an Associate Clinical Professor of Pediatrics at the University of California San Francisco.

Dr. Cotter’s extensive experience includes Vice President and Laboratory Director at Biocept Inc. in San Diego, Laboratory Director at the Illumina Clinical Services Laboratory in San Diego, Laboratory Director at Combimatrix Molecular Diagnostics in Irvine, Director of Advanced Molecular Diagnostics at US Labs in Irvine, California.

Philip Cotter is an avid botanist and resides in San Diego, California.

Mathew W. Moore, PhD – Chief Scientific Officer, PacificDx


Chief Scientific Officer and Co-Founder of PacificDx, Dr. Mathew William Moore is a distinguished world-wide leader in the field of molecular diagnostic development. He can be frequently seen behind the podium at international conferences speaking on Companion Diagnostics and Next Gen Sequencing, among other topics. Dr. Moore, an Australian expatriate, is a seasoned industry expert, technology advocate, and regulatory specialist. Previously Vice President of Research and Development of Neogenomics, Inc., Dr. Moore brings his dedication to strong customer service and a collaborative client focus to ResearchDx. As Vice President of Research and Development for CombiMatrix Molecular Diagnostics, Inc., Dr. Moore was responsible for the oncology, and developmental disorders programs. Previously he served as Senior Scientist with US Labs, a division of Laboratory Corporation of America (LabCorp) and as Director of product development at Response Genetics. These past responsibilities provide ResearchDx with a highly respected reputation in the industry as well as a collaborative focus on client goals.

Dr. Moore received his Bachelors of Science degree in Biotechnology, graduating with honors.  He received his Ph.D. in Biotechnology from the University of New South Wales in Sydney, Australia. Mat Moore lives in Irvine, California with his wife.

Jayne Scoggin – Director of Quality Management


Director of Quality Management, Jayne Scoggin received her Bachelor’s degree from the University of Oklahoma and the University of Oklahoma Health Sciences Center. She then worked with Children’s Medical Center in Tulsa, Oklahoma and the University of Texas Health Sciences Center in Dallas, Texas.

Subsequently Scoggin joined Nichols Institute as a founding member of the Cytogenetics Laboratory in San Juan Capistrano, California. She worked with LabCorp in San Diego for eight years and later accepted a startup position with Biocept, Inc. where she created the Cytogenetics department and worked on detection of rare fetal cells and circulating tumor cells.

Scoggin joined ResearchDx in 2012 as Manager of Quality Systems where she oversees Quality Management activities and works to prepare clients nation wide for CLIA, State and CAP inspections. She has spent more than two decades working as a Clinical Laboratory Scientist in settings ranging from hospitals to large clinical laboratories, academic institutions and small company start- ups.

Scoggin is an avid horsewoman and breeder of Arabian horses, some of whom have received national championships in dressage, halter and jumping competitions.

 Cynthe L. Sims PhD, MB(ASCP), CGMBS - Supervisor, Molecular


The PacificDx Molecular Laboratory Supervisor, Dr. Cynthe Sims is originally from West Texas and moved to California in 2012.  She was awarded a PhD in Chemistry from Texas Tech University, Lubbock TX in 2011.  Dr. Sims was recipient of several awards and fellowships, including National Science Foundation GK-12 Program Fellow, status as a Provost's Scholar, and the SBC Chancellor's Fellowship.  Dr. Sims is also a CA licensed Clinical Laboratory Scientist specializing in Molecular Diagnostics. With an expertise in validation and integration of cutting edge technology into clinical molecular diagnostics and testing, she was Technical Supervisor of several Clinical Laboratories with Clinical Next Generation Sequencing and Esoteric Molecular Diagnostic Focus-Research and Testing Laboratory in Lubbock TX, Vantage Point Laboratory Partners and Biological Dynamics in San Diego.

Dr. Sims is an advocate for greater inclusion and visibility of Women and Minorities in STEM fields.  Recreationally, Dr. Sims is an expert level snowboarder, and enjoys rock climbing, hiking and camping in Southern California's beautiful mountain areas.