Discover Regional Thought Leaders
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
Mrs. April Morris 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, she worked in hepatology at VCU Medical Center for many years focusing on treating those patients with chronic hepatitis C. She then worked in a community hospital-based setting at the Liver Institute of Virginia in Newport News, VA and Richmond, VA for several years as the senior nurse practitioner. In this role, she gained extensive experience 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. Currently, she works full-time in the GI/Hepatology department at Hunter Holmes McGuire Veterans Affairs Medical Center in Richmond, VA. In this role, she is primarily working to help develop a metabolic liver clinic to benefit those patients with NASH. Mrs. Morris is a member of the American Academy of Nurse Practitioners, American Association for the Study of Liver Diseases, American College of Gastroenterology, Virginia Council of Nurse Practitioners and an executive committee member and advisor for Chronic Liver Disease Foundation (CLDF).
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 nurse practitioner with advanced expertise in hepatology and a strong commitment to evidence-based, multidisciplinary care. At UC San Diego Health, she provides comprehensive management for patients with chronic liver disease, including viral hepatitis, autoimmune hepatitis, alcohol-associated liver disease, and metabolic dysfunction–associated steatotic liver disease (MASLD). Collier is actively engaged in clinical research and has participated in multidisciplinary studies on liver fibrosis, steatosis, and treatment protocols for hepatitis C and alcohol use disorder. Her scholarly work focuses on improving transitions of care for patients with cirrhosis and expanding access to pharmacologic treatments for patients with alcohol use disorder. A recognized leader in the field, Collier has presented at national conferences including The Liver Meeting (AASLD), Digestive Disease Week (DDW), and GHAPP, speaking on topics such as cirrhosis care, hepatology red flags, and advanced practice provider leadership. She previously served as Chair of the Advanced Practice Council at UC San Diego Health, driving initiatives that elevated APP visibility and impact within the organization. Before joining UC San Diego Health, she was a family nurse practitioner and HIV specialist with Family Health Centers of San Diego. She also has prior experience as a registered nurse. Collier completed a Master of Science in Nursing degree from University of San Diego and will complete the Doctor of Nursing Practice degree from University of California, Los Angeles in June 2025. She is certified by the American Nurses Credentialing Center.
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.
Lavinia Iordache
PA-C
Lavinia Iordache earned her Masters of Clinical Medical Science from Barry University in Miami and she has been practicing as a Physician Associate in the field of Hepatology for the past 10 years. She completed a one year AASLD fellowship under the guidance of her supervising physicians and she continues to provide care to a complex patient population in an academic environment. She previously attended Medical School in her home country of Romania and graduated Magna Cum Laude from Florida International University with a Bachelor Degree in Biochemistry. She holds a NCCPA certification and is a proud member of several professional associations as well as animal welfare organizations. Her dedication to helping people with liver disease extends to both inpatient and outpatient settings and she has been expanding her clinical practice to include Internal Medicine as well as General Gastroenterology. She values a holistic and patient-centered approach to care and is a big advocate for patient education, always striving to connect with her patients to promote understanding of diseases, build trust and improve outcomes through collaboration. Lavinia is fluent in Spanish and particularly enjoys communicating with her Latin patient population in South Florida as she has a lifelong interest in learning different dialects and connecting with people of various ethnic backgrounds. In her free time, Lavinia particularly enjoys exploring new destinations, she has taste for adventures, unique art galleries and museums, loves cooking and entertaining and she is intentional about pursuing a holistic lifestyle through conscientious choices for a mindful integration of mind, body and soul.
Tessa Janovsky
PA-C
Tessa Janovsky obtained her Masters in Physician Assistant Studies from Rosalind Franklin University of Medicine and Science in 2017. She accepted a position in the Gastroenterology Department at Valleywise Health in 2017 where her passion for Liver Disease was born with special interest in MASLD/MASH. Caring for a primarily underserved population with a large proportion of Hispanic patients, Tessa quickly realized that there were gaps in timely diagnosis and proper treatment for MASLD/MASH patients. Her interest in liver disease led her to accept a position at Banner University Liver Transplant Center where she would gain knowledge and experience in liver transplant selection and post liver transplant care. During that time, Tessa obtained a certification in Obesity Management from the Obesity Medicine Association with a goal to help patients optimize their journey with weight loss, which is a primary focus in MASLD/MASH treatment. Tessa now practices in an outpatient Hepatology Clinic at Arizona Liver Health, where she has been for the past 3 years. With a primary focus on patients with MASLD/MASH, she strives to take an individualized approach with each patient to optimize treatment strategies, including lifestyle interventions, pharmacologic management, and clinical trial opportunities.