The people behind the answers.

Dr. Tiansheng Shen received her M.D. from Xi’an Jiaotong University School of Medicine in Xi’an, China. She received her Ph.D. in Molecular and Cellular Pharmacology from University of Pierre and Marie Curie in Paris, France. Subsequently, she moved to the United States to work as a Postdoctoral Fellow and later as a Research Associate, first at Lankenau Medical Research Center in Pennsylvania; then at the Ohio State University Departments of Oral Biology and Hematology/Oncology; and University of Maryland-Baltimore Department of Biochemistry and Molecular Biology. Dr. Shen completed her Anatomic and Clinical Pathology residency at University of Alabama at Birmingham; she then completed fellowships in Surgical Pathology at the University of Texas MD Anderson Cancer Center, and in Breast Pathology at Northwestern University Feinberg School of Medicine. Dr. Shen is Board Certified in Anatomic and Clinical Pathology. She has received many honors and awards, including the Roger Denio Baker Prize in Anatomical Pathology in Recognition for Excellence in Anatomic Pathology by a Resident in the Year 2016-2017 from her residency program, and Surgical Pathology Staff Award in Recognition for Best Fellow Lecture in the Year 2017-2018 from her Surgical Pathology fellowship program. She has published more than 50 manuscripts in peer-reviewed journals, which include Human Pathology and American Journal of Clinical Pathology. Dr. Shen served as a Clinical Assistant Professor at The Ohio State University Wexner Medical Center Department of Pathology for two years before joining APS in July 2021.

Dr. Jennifer Do recieved her medical degree from the Medical University of South Carolina in Charleston and completed an Anatomic and Clinical Pathology residency at Penrose Hospital in Colorado Springs. She served five years in the Navy as a General Pathologist, ending her time in service as a Lieutenant Commander. Dr. Do then completed the Rodger Haggitt Gastrointestinal and Hepatic Pathology fellowship at the university of Washington in Seattle. She Practiced as a General and GI Pathologist in private practice in El Paso, Texas for seven years. Additionally, she was an Adjunct Clinical Professor at the Paul L Foster School of Medicine and the Chief of Laboratory Medicine at the El Paso Veterans' Administration Medical Center. She participates in Massachusetts General Hospital's Global Health Collabrative, providing volunteer pathology services for the Mbarara University of Science and Technology in Mbarara, Uganda. After 14 years of experience as a pathologist, Dr. Do joined APS in 2017

Dr. Theodore Chang serves as a Lean Lab Medical Director at Advanced Pathology Solutions. Dr. Chang completed his undergraduate degree in Biomechanical Engineering at the University of California, San Diego. He received his medical degree from Ohio State University College of Medicine in Columbus. Dr. Chang completed his residency in Anatomic and Clinical Pathology at the University of Oklahoma Health Science Center in Oklahoma City and his fellowship in Gastrointestinal Pathology at Ameripath Institute of GI Pathology and Digestive Disease in Cleveland, Ohio. Dr. Chang joined APS in 2016. Outside of work, he enjoys photography and snowboarding.

Dr. Tao Zhang, M.D., is a board-certified pathologist specializing in anatomic and clinical pathology, with a focus on gastrointestinal and surgical pathology. She completed her residency in Anatomic and Clinical Pathology at the University of Missouri, where she served as Chief Resident. Following this, she pursued advanced training through a Surgical Pathology fellowship at the Mayo Clinic and a Gastrointestinal Pathology fellowship at Yale University. Dr. Zhang’s medical journey began in Beijing, China, where she earned her medical degree from Capital Medical University and a Master’s degree in Neuroscience at the Beijing Institution for Neuroscience. In addition to her clinical expertise, Dr. Zhang has authored 26 peer-reviewed journal articles, including two first-author publications in the journal Proceedings of the National Academy of Sciences (PNAS). She joined APS in 2024, bringing her extensive experience in pathology to support patient care and diagnosis.

Dr. Zheng Ping joined APS in 2019, after completing a Gastrointestinal and Liver Pathology Fellowship at the University of Miami/Jackson Memorial Hospital in Florida. He received his medical degree from Nanjing Medical University, Nanjing, Jiangsu, China. After receiving his medical degree, he then became a research associate at the Department of Neurobiology at the University of South Dakota. After work experience and finishing his medical degree, Dr. Ping then proceeded to receive his masters in Clinical Laboratory Science. Following the completion of his Masters degree, he then completed his Anatomic and Clinical Pathology Residency at the University of Alabama at Birmingham. Dr. Zheng Ping received his medical license in both the state of Alabama and Florida. He also is board certified by the American Board of Pathology for Anatomic and Clinical Pathology and he also received the Education Commission for Foregin Medical Graduates (ECFMG) Certificate. Dr. Ping has also received many honors and awards, such as the Kracke Award for Best Presentation in Anatomic Pathology and the Best Abstract Award at the Annual meeting of Chinese American Pathologists Association. He also has many published manuscripts and abstracts including manuscripts such as Journey of Pathology Informatics and his published abstract include American Journal of Clinical Pathology.

Dr. Pesoli started her career in pathology as a Pathologists' Assistant after graduating with her Masters in Health Science, Pathologists Assistant from Quinnipiac University. She then went on to pursue her medical degree from St. George's University followed by Anatomic and Clinical Pathology residency at the University of Alabama at Birmingham. During residency, Dr. Pesoli served as the Anatomic Pathology Chief Resident from 2020-2021, was awarded the Ona Faye-Petersen Award for Excellence in Teaching in 2020 for her contribution to medical school teaching at the Heersink School of Medicine, and was inducted into Alpha Omega Alpha (AOA) Medical Honors Society. Dr. Pesoli remained at the University of Alabama at Birmingham to complete two fellowships in Gynecologic Pathology followed by Gastrointestinal and Hepatobiliary Pathology. Dr. Pesoli is board certified in both Anatomic and Clinical Pathology, and is an active member of various pathology societies including the College of American Pathology (CAP), the United States and Canadian Academy of Pathology (USCAP), the International Society of Gynecologic Pathologists, and the Rodger C. Haggitt Gastrointestinal Pathology Society.

Dr. Ayaz Ghani received his medical degree from King Edward Medical University, Pakistan. He worked as a postdoctoral associate in the Department of Gastroenterology and Hepatology at Yale University School of Medicine, New Haven, Connecticut. He completed his residency training in Anatomic and Clinical Pathology at Danbury Hospital, Western Connecticut Health Network where he also served as Chief Resident. He completed a fellowship in Oncologic Surgical Pathology at Roswell Park Cancer Institute, University at Buffalo, New York. Then he moved to Miami, Florida where he completed his second fellowship in Gastrointestinal and Hepatic Pathology at the University of Miami, Miller School of Medicine. Dr. Ayaz is board-certified in Anatomic and Clinical Pathology and is a member of United States and Canadian Academy of Pathology (USCAP), College of American Pathologists (CAP) and American Society for Clinical Pathology (ASCP). He also published manuscripts and abstracts in high impact peer reviewed journals including Gastroenterology and Proceedings of the National Academy of Sciences. Outside of work, he enjoys watching movies and hanging out with family and friends.

Dr. Uday Shergill received his medical degree from Gandhi Medical College, India. He worked as a postdoctoral fellow in the Department of Gastroenterology and Hepatology at Mayo Clinic College of Medicine, Rochester, Minnesota and subsequently in Anatomic Pathology R&D at ARUP labs, Salt Lake City, Utah. He completed his residency training in Anatomic and Clinical Pathology at Lenox Hill Hospital, NYC where he also served as Chief Resident. He completed a fellowship in Oncologic Surgical Pathology at Roswell Park Cancer Institute, University at Buffalo, New York followed by a second fellowship in Gastrointestinal and Hepatic Pathology at the University of Miami, Miller School of Medicine. Dr. Shergill is board-certified in Anatomic and Clinical Pathology and is a member of United States and Canadian Academy of Pathology (USCAP) and College of American Pathologists (CAP). His research work on pathogenesis of liver fibrosis has led to numerous publications in high impact peer reviewed journals including Hepatology and Journal of Clinical Investigations amongst others. Outside of work, he enjoys watching movies, reading historical nonfiction and exploring nature.

Dr. Rosalyn Enos joined APS in 2022, after completing a Gastrointestinal and Liver Pathology Fellowship at Weill Cornell Medicine in New York, under Dr. Rhonda Yantiss.She received her medical degree from University of Hawaii John A. Burns School of Medicine in Honolulu, Hawaii. After receiving her medical degree, she completed her Anatomic and Clinical Pathology Residency at the John A. Burns School of Medicine in Honolulu, Hawaii. Dr. Enos then completed a Masters of Business Administration in Healthcare Administration from Loma Linda School of Public Health, while serving as a partner in a private pathology practice and providing medical directorship for a local hospital. She took a 1 year sabbatical from private practice to complete a Molecular Genetic Pathology Fellowship at the University of Pittsburgh Medical Center, under Dr. Jeffrey Kant. In addition to her anatomic and clinical pathology responsibilities, Dr. Enos specialized in optimization of laboratory productivity, streamlined laboratory performance, implemented effective workflow management and restructured the revenue cycle management for her private practice group. She also served as an Associate Clinical Professor for the University of Hawaii John A. Burn School of Medicine and has mentored numerous anatomic and clinical pathology residents. She was in private practice for 12 years before joining APS. Dr. Enos is Board Certified in Anatomic and Clinical Pathology as well as Molecular Genetic Pathology. She is licensed in Montana, South Carolina, Kansas, North Carolina, North Dakota, Arkansas, Georgia, Louisiana, New York, Tennessee, Oklahoma, Michigan, Texas, Alabama, Oregon, Hawaii, Missouri, Illinois, Nebraska, Florida, California, and Colorado. She is currently the medical director for APS. Dr. Enos is a member of the College of American Pathology and the United States and Canadian Academy of Pathology. Outside of work, Dr. Enos enjoys spending time with her family, taking care of animals, gardening, and home remodeling. She also serves as a Certified Life Coach for physicians and healthcare administrators, providing trauma-informed principles to bolster executive leadership skills, reduce burnout, and improve well-being in the workplace.