Clinical Experts

Richard H. Lash, MD, FCAP, FACG

Chief Medical Officer and Group Head, Medical Practice

Dr. Lash joined Caris Life Sciences™ in August of 2006, and has over 25 years of experience in GI and surgical pathology. Prior to joining Caris, Dr. Lash served as co-director of the AmeriPath Institute of Gastrointestinal Pathology and Digestive Disease, as well as clinical associate professor of pathology at Case Western Reserve University School of Medicine in Cleveland, Ohio. He is currently clinical associate professor of pathology at University of Texas, Southwestern Medical Center. He earned his bachelor of science degree, summa cum laude and Phi Beta Kappa, at the University of Michigan, where he received his MD degree and membership in Alpha Omega Alpha Medical Honor Society in his third year. He was a resident and clinical associate at the Cleveland Clinic, where he received subspecialty training in GI pathology.

Dr. Lash continues to pursue academic interests, including publishing research and book chapters and training of residents and fellows. Dr. Lash is board certified in anatomic and clinical pathology and is a member of American College of Gastroenterology (ACG), American Gastroenterological Association (AGA), Roger C. Haggitt Gastrointestinal Pathology Society (USCAP), American Society for Clinical Pathology (ASCP) and College of American Pathologists (CAP).

Raheela Ashfaq, MD

Director of Oncologic Profiling

Raheela Ashfaq, MD, joins Caris Life Sciences™ from her position at the University of Texas Southwestern Medical Center as the Charles T. Ashworth Professor of Pathology, Professor of Obstetrics and Gynecology, and Director of OncoDiagnostics tumor profiling laboratory.

She has more than 150 peer-reviewed publications and lectures frequently at national and international conferences. Leveraging her 10 years of experience in image analysis and tumor profiling by IHC, FISH, and molecular techniques, Dr. Ashfaq is the Medical Director of Oncologic Pathology for Caris.

  • Professor Pathology and Gynecology, Director, Oncology Diagnostics UT Southwestern Medical Center, Dallas
  • Director of Cytopathology Parkland Memorial Hospital, Dallas
Raul C. Braylan, MD

Clinical Medical Director of Hematopathology

Raul C. Braylan, MD, is recognized as one of the world's foremost authorities on flow cytometry in hematolymphoid neoplasia. In addition, he is credited with establishing standardization in flow cytometry clinical utility, data analysis, and reporting through his work on both the US Canadian Consensus Recommendations and the 2006 Bethesda International Conference Recommendations for flow cytometric immunophenotyping. Before joining Caris Life SciencesTM, he served as the chief of the Hematopathology Section of the Department of Pathology and Laboratory Medicine at the University of Florida College of Medicine.

Dr. Braylan has published more than 150 peer reviewed papers, books and chapters. In his role as former director of the fellowship training program in hematopathology at the University of Florida, he was responsible for the training of pathologists both nationally and internationally. Dr. Braylan is a member of the American Society of Clinical Pathologists (ASCP), American Society of Hematology (ASH), Association of Molecular Pathology (AMP), International Society for Analytical Cytology (ISAC), Society for Hematopathology (SH), Clinical Cytometry Society (CCS) and the United States and Canadian Academy of Pathology (USCAP).

  • MD, Buenos Aires Medical School, Buenos Aires, Argentina
  • Rotating Internship, Mount Sinai Hospital, Chicago, IL
  • Resident, Pathology, Mount Sinai Hospital, Chicago, IL
  • Resident, Pathology, Albert Einstein College of Medicine, Bronx, NY
  • Resident, Pathology, Memorial Sloan-Kettering Cancer Center, Sloan-Kettering Institute, New York, NY
  • Senior Staff Fellow, Laboratory of Pathology, National Cancer Institute, National Institutes of Health, Bethesda, MD
Lisa M. Cohen, MD

Director, Clinician Relations
Clinical Associate Professor of Dermatology, Tufts University
Dermatopathology Fellowship, University of Colorado
Dermatology Residency, University of Louisville
Expertise: lentigo maligna, alopecia, panniculitis, and dermatoses of pregnancy

Robert M. Genta, MD, FACG

Director of Academic Affairs
Clinical Professor of Pathology and Internal Medicine, University of Texas Southwestern Medical Center
Clinical Professor of Pathology and Internal Medicine, Baylor College of Medicine, Houston, Texas.
Gastrointestinal Pathology 1-year Sabbatical, University of Washington
Pathology Residency, Case Western Reserve University

Jonathan N. Glickman, MD, PhD

Director of GI Pathology, Boston
Associate Clinical Professor of Pathology, Harvard Medical School
Residency and Gastrointestinal Pathology Fellowship, Brigham and Women's Hospital, Harvard Medical School

Thomas D. Horn, MD

Director, Dermatopathology Practice

Dr. Thomas D. Horn joined Caris Life Sciences™ in June of 2007. Dr. Horn is board-certified in both dermatology and dermatopathology.

Dr. Horn received his undergraduate degree from Davidson College, a nationally recognized and highly selective liberal arts college near Charlotte, NC. He received his MD from the University of Virginia School of Medicine and holds an MBA from Johns Hopkins. His post-graduate medical training includes 2 years of pediatrics training at University of Virginia School of Medicine, a dermatology residency at University of Maryland and a dermatopathology residency at Johns Hopkins. Dr. Horn remained on the faculty at Johns Hopkins for 8 years, becoming Associate Professor of Dermatology, Pathology and Oncology, as well as the director of the Division of Dermatopathology.

Dr. Horn was a recent chairman of the Department of Dermatology at the University of Arkansas for Medical Sciences, as well as a professor of Dermatology and Pathology. He also served as the chief of dermatology for the Central Arkansas Veterans Healthcare Systems. In addition to these academic and institutional appointments, Dr. Horn is the associate executive director of the American Board of Dermatology, a past member of the Residency Review Committee for Dermatology, past chairman of the Residency Review Committee for Dermatopathology and a prior president of the American Society of Dermatopathology.

Dr. Horn’s research into the immunotherapy of warts led to a patent and the establishment of Type IV Technologies, a company in the business of developing novel treatments for the common wart. His research interests include graft versus host disease, HIV-related skin disease and dermatopathology.

  • Professor of Dermatology and Pathology, Tufts University
  • Former Director, Division of Dermatopathology and Associate Professor of Dermatology and Pathology, Johns Hopkins Medical Institutions
  • Former Professor of Dermatology and Pathology and Chairman, Department of Dermatology, University of Arkansas Medical Sciences
  • Expertise: melanomas, pigmented lesions, and HIV-related skin diseases
Michael Miller, DO, FCAP, FASCP

Operational Medical Director of Hematopathology

Michael Miller, DO, is the former section head of hematopathology and director of the fellowship program in hematopathology for the Cleveland Clinic Foundation. He is also a former director of clinical pathology and professor of pathology at the University of Texas Southwestern Medical Center in Dallas, where he also served as the medical director of pathology at the Zale Lipshy University Hospital, and medical director of the Veripath Reference Laboratory. Dr. Miller's experience includes private practice at UniPath in Denver, Colorado, where he practiced hematopathology and surgical pathology.

Dr. Miller's special interests include leukemias, lymphomas, and coagulation disorders. He has published numerous peer reviewed papers and book chapters, and has given numerous scientific and educational presentations at national and international meetings. Dr. Miller is board certified in anatomic and clinical pathology and hematopathology. He is a fellow of the College of American Pathologists (CAP) and the American Society of Clinical Pathologists (ASCP), and is a member of the American Society of Hematology (ASH), Association of Molecular Pathology (AMP), and the United States and Canadian Academy of Pathology (USCAP).

  • DO, University of Health Sciences College of Osteopathic Medicine, Kansas City, MO
  • Rotating Internship, Naval Medical Center, Portsmouth, VA
  • Resident, Anatomic and Clinical Pathology, Naval Medical Center, San Diego, CA
  • Fellow, Hematopathology, Cleveland Clinic Foundation, Cleveland, OH
Mukunda B. Ray, MD, PhD

Medical Director of Laboratories, Phoenix
Director of GI Pathology, Phoenix
Former Professor of Pathology and Professor of Medicine, University of Louisville School of Medicine

Mark Redston, MD

Director, GI Molecular Pathology
Former Associate Professor of Pathology, Harvard Medical School
Pathology Residency, University of Toronto
Gastrointestinal Pathology Fellowship, Johns Hopkins University

Julie D.R. Reimann, MD, PhD

Director, Dermatologic Molecular Pathology
Clinical Assistant Professor of Dermatology, Tufts University
Dermatopathology Fellowship, Harvard Medical School
Anatomic Pathology Residency, Brigham and Women's Hospital
Expertise: melanoma and pigmented lesions, soft tissue tumors, epithelial neoplasms, and alopecia

Rajal B. Shah, MD

Director of Urologic Pathology

Rajal B. Shah, MD, joins Caris Life Sciences™ from the University of Michigan where he served as Clinical Associate Professor of Pathology and Urology as well as director of the Urologic Pathology Division and Urologic Pathology fellowship program. Dr. Shah directs Caris Caris Life Sciences' new Urologic Pathology service.

Dr. Shah has over 90 peer-reviewed journal publications, speaks frequently at both national and international venues, and has been funded by several NIH grants. In 2007, Dr. Shah was part of a group of scientists awarded the inaugural "Team Science Award" from the American Association of Cancer Research for the discovery of recurrent gene fusions in prostate cancer.  Dr. Shah has been listed in Who's Who in Healthcare and selected as one of America's Top Physicians by the Consumer's Research Council of America.

Click here for PubMed access to a selection of Dr. Shah's publications.

  • Clinical Associate Professor of Pathology,The University of Michigan Hospitals, Ann Arbor, Michigan
  • Clinical Associate Professor of Urology,The University of Michigan, Ann Arbor, Michigan
  • Genitourinary/Surgical Pathology Fellowship, The University of Michigan, Department of Pathology
Shari L. Taylor, MD

Director of GI Pathology, Irving
Clinical Assistant Professor of Pathology, University of Texas Southwestern Medical School
Former Acting Assistant Professor, University of Washington, Seattle
Gastrointestinal Pathology Fellowship, University of Washington Medical Center
Pathology Residency, University of Tennessee and Baptist Memorial Hospital