Discover Regional Thought Leaders
Jordan Mayberry
MPAS, PA-C
Jordan Mayberry completed her master’s in physician assistant studies at UT Southwestern School of Health Professions in 2012. She completed the AASLD NP/PA Fellowship in 2013. She has been practicing hepatology in a large academic setting for over 12 years. She enjoys mentoring new APPs and serves as a lecturer and preceptor for the UT Southwestern Physician Assistant program and was awarded Outstanding Educator Award in 2023. She has given plenary talks at The Liver Meeting, Digestive Disease Week and GHAPP national and regional meetings. She currently serves at the vice chair for the Associates committee for AASLD.
Carla Molliner
PA-C
Carla M. Molliner, PA-C, is a seasoned physician assistant specializing in hepatology at the University of Miami Health System. With over two decades of clinical experience, she provides expert care in liver diseases and transplant hepatology. She is fluent in both English and Spanish, enhancing her ability to serve a diverse patient population. Carla Molliner earned her master's degree from Nova Southeastern University and completed a fellowship in hepatology at the University of Miami. She is board-certified by the National Commission on Certification of Physician Assistants. Currently, she serves as the APP Team Manager (H) at the University of Miami, where she leads advanced practice providers in hepatology. In addition to her clinical duties, Carla Molliner actively participates in academic and educational initiatives. She was a featured speaker at the 2024 Advances in Hepatobiliary Diseases conference, where she presented on age-appropriate health care maintenance beyond liver disease.
Ann Moore
NP
Ann Moore is a hepatology nurse practitioner and VP of Clinical Services at Arizona Liver Health. She has over 30 years of liver disease and liver transplant management experience and is recognized nationally for her liver disease expertise. In addition to her clinical practice, she serves as Principal Investigator for multiple clinical trials in MASH and other liver diseases. Throughout her career, Ann has worked to expand access to liver disease care throughout the state of Arizona, running numerous outreach clinics in rural locations.
April Morris
FNP
April Morris, FNP received a bachelor of science in biology and nursing from Virginia Commonwealth University (VCU) in Richmond, Virginia. She went on to complete a master’s degree in nursing at VCU and became a board-certified family nurse practitioner in 2006. Initially, April Morris worked in Hepatology for many years with extensive experience in evaluating and managing patients with various acute and chronic liver diseases and conditions, including complications related to cirrhosis and hepatocellular carcinoma (HCC). She was also a sub-investigator for many liver-related clinical trials including studies conducted to develop better oral medications for chronic hepatitis C, NASH and PBC. She served on the Executive Board of Gastroenterology & Hepatology Advanced Practice Providers, or GHAPP, between 2017-2024. In 2022, she took an Endocrinology NP position at Hunter Holmes McGuire Veterans Affairs Medical Center in Richmond, Virginia with a focus on diabetes health and lipid management.
Janet Gripshover
DNP, MBA
Janet Gripshover, DNP, MBA, AF-AASLD, is a highly experienced Family Nurse Practitioner and Nurse Manager for Cedars-Sinai’s Liver Transplant Program in Los Angeles. With over 15 years of clinical and leadership expertise in hepatology, Dr. Gripshover is recognized for her commitment to advancing the role of Advanced Practice Providers (APPs) in liver care. She has led numerous initiatives to foster APP education and collaboration, including founding the APP HCV Consortium in Baltimore, MD, and creating the GI APP Grand Rounds series at Geisinger Wyoming Valley in Wilkes-Barre, PA. In addition to speaking at national conferences, Dr. Gripshover has developed and delivered a wide range of educational and professional development seminars for non-physician providers across the country. An advocate for patient-centered innovation, she also founded and moderated the first hospital-sponsored Facebook support group for liver transplant recipients — a project that earned her the New Media Award for Healthcare from the Baltimore Business Journal and national recognition. Dr. Gripshover is an active member of the American Association for the Study of Liver Diseases (AASLD), where she has served on the Hepatology Associates Committee and the Women’s Initiatives Committee, helping launch the AASLD Women’s Leadership Program. She currently serves as Vice Chair of AASLD’s Hepatology Associates Special Interest Group and is also a member of the Hepatology Associates Committee for the American College of Gastroenterology (ACG).
Milly Ng
FNP, MPH
Miu Lai "Milly" Ng FNP-BC, MPH is a dedicated Nurse Practitioner specializing in hepatology at Tufts Medical Center, with 8 years of experience in managing patients with Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD) and Metabolic Dysfunction-Associated Steatohepatitis (MASH), including the lean MASH population. Passionate about improving liver health within the Asian population, Miu Lai is actively engaged in community outreach and education. Their clinical expertise includes the use of GLP-1 receptor agonists and liver-targeted medications to optimize treatment outcomes. In addition to clinical practice, Miu Lai serves as a consultant for Pharmaceuticals and contributes expertise to multiple advisory boards and podcasts, advocating for advancements in hepatology care.
Erin Parkinson
MS, APRN, FNP-C
Erin Parkinson has been a board-certified family nurse practitioner since 2007 and has been practicing in Transplant and Non-transplant Hepatology with the Tampa General Medical Group since 2011. She is the Lead Advanced Practice Provider for the Hepatology program. She has presented at national and regional meetings and is the author of multiple abstracts and poster presentations. She serves as a sub investigator for multiple clinical trials within hepatology and conducts her own research surrounding APP led practice initiatives and hepatitis C. She is a member of the AASLD annual meeting education committee and was a mentor for the ELAPP program with AASLD. She resides in St. Petersburg Florida with her husband and two sons.
Summer Collier
MSN, FNP-BC
Summer Collier is a board-certified family nurse practitioner specializing in hepatology at UC San Diego Health. She provides comprehensive care for patients with chronic liver diseases, including viral hepatitis B and C, autoimmune liver diseases, and alcohol-associated liver disease. Summer earned her Master of Science in Nursing and holds certifications as a Family Nurse Practitioner (FNP-BC) and HIV Specialist (AAHIVS). She is actively involved in advancing liver health through her clinical practice and community initiatives. Committed to patient-centered care, Summer integrates her clinical expertise with a compassionate approach, aiming to improve the quality of life for individuals affected by liver diseases.
Patrick Horne
ARNP
Patrick M. Horne, MSN, APRN-BC, FNP, AF-AASLD is the Assistant Director of Clinical Hepatology Research and Clinical Programs Coordinator at the University of Florida’s Department of Medicine, Division of Gastroenterology, Hepatology, and Nutrition. He holds bachelor's and master's degrees from the University of Florida College of Nursing. His research focuses on hepatology clinical trials, including viral hepatitis, MASH, autoimmune hepatitis, cholestatic liver disease, and HCC. He has published extensively in clinical hepatology and has presented at major conferences such as AASLD, AGA NP/PA, and GHAPP.
Valerie Shin
NP
Valerie Shin earned her Bachelor of Science in Nursing from New York University. After earning her degree, she advanced her nursing career with the Cleveland Clinic in Cleveland, Ohio, and the Veterans Affairs Medical Center in West Los Angeles, California. Valerie furthered her career by completing the Acute Care Nurse Practitioner program at the University of California, Los Angeles, where she obtained a Master’s degree. During her clinical rotation, she had the privilege of being mentored at the liver clinic, where she developed a strong interest in hepatology and the management of liver diseases. This experience led her to her current role as a Hepatology Nurse Practitioner at the Pfleger Liver Institute at UCLA Health, where she continues to specialize in liver disease care. In addition to providing exceptional patient care, Valerie Shin has a strong passion for education, both in teaching future APPs and empowering her patients. She enjoys educating her NP students in her clinic and was honored with the opportunity to lecture NP students at UCLA School of Nursing on the topic of liver cirrhosis and its complications. Valerie also contributes to the annual UCLA Patient Seminar for Liver Diseases, where she provides essential patient education. Furthermore, she is actively involved in the GHAPP meetings, demonstrating her ongoing commitment to advancing both the education of current and future APPs and the care of liver disease patients.