Faculty Biographies

Lisa Adams, MD, is the Associate Dean for Global Health, Director of Global Initiatives, and a Professor of Medicine in the Section of Infectious Disease and International Health at Dartmouth’s Geisel School of Medicine. She oversees Dartmouth College’s Global Health Initiative at the John Sloan Dickey Center for International Understanding and is the Director of Geisel’s Center for Global Health Equity. In all her roles, she develops and oversees cross-cutting global health programs and partnerships involving faculty, staff, and students.

She has worked in domestic and international TB care and prevention for over 25 years. As an international TB consultant, she has worked in over a dozen countries to provide technical assistance to Ministries of Health. She has published extensively on her TB and HIV research and on global health equity and education. At Dartmouth, she teaches global health and health equity to medical and college students. She is engaged in research on TB and HIV care and is the PI on a major Fogarty Center training grant in support of the DarDar Programs, a collaboration between Dartmouth and Muhimbili University in Dar es Salaam, Tanzania. She also serves as Dartmouth's lead on a major medical education initiative, the Rwandan Human Resources for Health Program. She recently worked with host partners in China, Eswatini (formerly Swaziland), South Africa, and Ukraine on projects to improve the delivery of TB care services to vulnerable populations, including HIV-infected individuals, children, and those suffering from drug-resistant TB. She has been co-leading Dartmouth Hitchcock Medical Center' COVID-19 Response since March 2020.

She is authorized by the U.S. Citizenship and Immigration Services (USCIS) as a Civil Surgeon to perform the medical exams required for adjustment of immigration status.

Antonia Altomare, DO, MPH, is an Infectious Disease physician at Dartmouth Hitchcock Medical Center and Assistant Professor of Medicine at Geisel School of Medicine at Dartmouth. Dr. Altomare is the Program Director for the Ryan White Part D HIV Program and former Hospital Epidemiologist at Dartmouth Hitchcock Medical Center. She completed her medical school training at the New York College of Osteopathic Medicine and residencies in Internal Medicine and Preventive Medicine, as well as a fellowship in Infectious Diseases at Dartmouth Hitchcock Medical Center. Additionally, she has a Masters of Public Health from the Dartmouth Institute for Health Policy & Clinical Practice. Her primary interests are in leadership, quality improvement, and education. She treats everything from general infectious diseases to immunocompromised hosts, with an interest in HIV medicine and sexually transmitted infections.

Michael Calderwood, MD, MPH, was named Chief Quality Officer of Dartmouth Hitchcock Medical Center in February 2021. He previously served as Associate Chief Quality Officer for Dartmouth Hitchcock Medical Center from 2019 to 2021 and Regional Hospital Epidemiologist for the Dartmouth Health system and Medical Co-director of the Collaborative Healthcare-associated Infection Prevention (CHIP) team from 2016 to 2021.

As Chief Quality Officer, his responsibilities include management and oversight of the integration of safety, quality, care experience, and value/process improvement activities, along with oversight of quality assurance and regulatory compliance. In addition, he works closely with other Dartmouth Hitchcock Medical Center chief officers to identify organizational goals and to develop policies, programs, metrics, reporting, and accountability to deliver improvement.

Dr. Calderwood earned a bachelor's degree in Biology from Harvard followed by a medical degree from the University of Chicago Pritzker School of Medicine. He completed his residency in Internal Medicine at Brigham and Women's Hospital and a fellowship in Infectious Diseases in the combined Brigham and Women's Hospital/Massachusetts General Hospital program in Boston. He also holds a master's of public health degree from the Harvard School of Public Health.

He started his career on staff at Brigham and Women's Hospital where he directed the hospital's antimicrobial stewardship program, was one of the hospital epidemiologists, and was a research investigator in the Therapeutic Research and Infectious Disease Epidemiology group in the Harvard Medical School Department of Population Medicine. This research involved collaborations with the Centers for Disease Control and Prevention, the Centers for Medicare and Medicaid Services, and the Agency for Healthcare Research and Quality.

Dr. Calderwood joined Dartmouth Hitchcock Medical Center in 2016, and is an Associate Professor of Medicine at the Geisel School of Medicine at Dartmouth. He is an active physician in the Section of Infectious Disease and International Health, and is board certified in both Internal Medicine and Infectious Disease. From 2020 to 2023, he helped to lead the Dartmouth Health COVID-19 pandemic response, and he has been active in a number of state advisory workgroups.

Dr. Calderwood was elected a fellow of the Infectious Diseases Society of America (IDSA), is a member of the Society for Healthcare Epidemiology of America (SHEA), and has served on a number of committees and workgroups in both organizations. Most recently, he has served on the SHEA Guidelines Committee, the SHEA Quality Measures Taskforce, was Lead Author of the Surgical Site Infection section of the HAI Prevention Compendium: 2022 Update, is a member of the IDWeek annual conference planning committee, and is now one of the inaugural members of the SHEA Quality Improvement Committee aimed at educating the next generation of healthcare leaders. He has also become increasingly involved in collaborative work with the Institute for Healthcare Improvement (IHI) and Vizient, including participation in IHI’s Chief Quality Officer Professional Development Program. His work with these groups has allowed him to help drive education, research, and policy agendas on a national scale.

David De Gijsel, MD, MSc, MPH, works on the intersection of poverty and health. Currently, he focuses on the infectious complications of injection drug use, specifically on new care models for the integrated treatment of hepatitis C in people who inject drugs. He has been involved in global health education and service delivery in various African countries.

David hails from the Netherlands, where he completed medical school at the University of Amsterdam. He completed his residency in Internal Medicine and Primary Care at Montefiore Medical Center/Albert Einstein College of Medicine in the Bronx, New York. He stayed at Montefiore as an internist for several years before spending two years in Kigali, Rwanda, teaching Rwandan medical students and residents through the Human Resources for Health Program. Upon his return to the U.S., he came to Dartmouth Hitchcock Medical Center for a fellowship in Infectious Disease and a residency in Leadership Preventive Medicine. He holds appointments as Assistant Professor at the Geisel School of Medicine and at The Dartmouth Institute for Health Policy & Clinical Practice.

Colleen Kershaw, MD, received her MD from Georgetown University School of Medicine, and went on to complete Internal Medicine residency as well as Infectious Disease fellowship at Beth Israel Deaconess Medical Center in Boston, where her academic focus centered on medical education. She also completed a fellowship in Global Health through the Botswana-Harvard Partnership with Beth Israel Deaconess and Scottish Livingstone Hospital in Botswana. Her clinical interests are broad in general infectious disease but in particular include HIV as well as care of underserved and marginalized populations, with an interest in the intersection of infectious disease and addiction. She serves as the Medical Director for the Outpatient Parenteral Antimicrobial Program and the Director of the Geisel School of Medicine Coaching Program for medical students. She is also the Director for Professional Development for the Internal Medicine residency program.

Bryan Marsh, MD, received his MD from the University of Chicago, and then completed his training with residency and fellowship at Dartmouth Hitchcock Medical Center. He joined the faculty of the Section of IDIH in 1996 and is now an Associate Professor of Medicine. Dr. Marsh's main interest is in the care of people living with HIV/AIDS, but his clinical activities also include consultation in general infectious diseases as well as on the transplant consultation service. He is the Medical Director of the HIV Program and the Ryan White Part C Program, the Director of the Comprehensive Antimicrobial Program, and since January 2007 the Acting and then permanent Chief of the Section of IDIH.

Paul Palumbo, MD, obtained his MD at the University of Vermont, followed by residency training at the Medical College of Virginia and Dartmouth Hitchcock Medical Center and fellowship in pediatric ID at Stanford University. He joined the faculty of Cornell-Weill Medical College followed by UMD-New Jersey Medical School and joined the Dartmouth faculty as Professor of Medicine and Pediatrics in 2006. Dr. Palumbo's research interests include many aspects of pediatric HIV. He currently is PI of the NIH-funded Dartmouth Hitchcock Medical Center's Pediatric Clinical Trials Unit which participates within the national ISPCTN trials network. He also serves as the director of the DARDAR Pediatric Program in Dar es Salaam, Tanzania. At Dartmouth Hitchcock Medical Center he is the primary pediatric HIV physician, but his clinical activities also include general pediatric ID.

Jeffrey Parsonnet, MD, obtained his MD from NYU School of Medicine. He did his Medicine residency at Yale-New Haven Hospital and an ID fellowship in the Brigham and Women's/Beth Israel Hospital combined Program. He came to Dartmouth in 1990, where he is now Professor of Medicine. Dr. Parsonnet is a nationally recognized authority on the epidemiology, pathogenesis, and treatment of toxic shock syndrome, which he has been studying for the past three decades. Dr. Parsonnet has also been the institutional PI for multiple sponsored clinical studies, mainly dealing with new treatments for staphylococcal infections and septic shock. In addition to his ongoing research, Dr. Parsonnet is an active clinician, in both general ID and HIV medicine, and has spearheaded Dartmouth Hitchcock Medical Center's HIV outreach program in Brattleboro, Vermont. He has a special interest in staphylococcal infections and Lyme disease. Dr. Parsonnet directed the ID fellowship program at Dartmouth Hitchcock Medical Center from its inception until 2010. In 2021, he started and now directs Dartmouth Hitchcock Medical Center’s Post-Acute COVID Syndrome Clinic.

Elizabeth Talbot, MD, received her MD from Rutgers Robert Wood Johnson Medical School, followed by Internal Medicine residency and Infectious Diseases and Global Health fellowship at Duke University Medical Center. She then worked at the CDC for five years, first in the Epidemic Intelligence Service and then as the Team Leader for TB/HIV, International Activities for TB Elimination) and internationally as the Associate Director for TB/HIV Research in Botswana. She was seconded to the WHO for policy development for the Global Fund Against AIDS, Tuberculosis and Malaria, and then came to Dartmouth Hitchcock Medical Center in 2003. Dr. Talbot is currently a Professor of Medicine, and has served as the Deputy State Epidemiologist (DSE) and TB Medical Advisor for the State of New Hampshire Department of Health and Human Services. Dr. Talbot has served as a consultant for the Foundation for Innovative New Diagnostics (FIND) in Geneva and the Gates Medical Research Institute for the development of tuberculosis diagnostics in resource-limited settings. Her work at Dartmouth includes consultation on general infectious diseases with a focus on mycobacterial and tropical infections, as medical director of the Global Health and Travel Clinic. She has extensive international experience in tuberculosis, including work with PEPFAR and Partners in Health in Haiti, the Program for Appropriate Technology for Health (PATH) in the Democratic Republic of Congo, Fogarty in Tanzania, and USAID in eSwatini. She has participated in long term service in Rwanda as a Dartmouth team member in the medical education initiative, the Rwandan Human Resources for Health Program. She has also worked with host partners in China, the Democratic Republic of Congo, Eswatini (formerly Swaziland), and South Africa to improve the delivery of TB care services to vulnerable populations, including HIV-infected individuals and children. Dr. Talbot has served on the Scientific Committee for the NIH research network, IMPAACT, representing pediatric TB research. Her research activities are primarily on tuberculosis (focused on diagnostics), and she continues to engage in emerging infectious disease outbreak investigations and control both domestically and internationally such as coordinating training for healthcare workers responding to the West Africa Ebola epidemic, Zika among US migrant workers, and has been in leadership in NH DHHS efforts to respond to COVID-19. Examples of ongoing research include urine-based and other point of care TB diagnosis in resource limited settings and identifying biomarkers for predicting sustained cure during TB treatment shortening trials.

Rebecca Wang, MD, is an Infectious Disease physician at Dartmouth Hitchcock Medical Center and Assistant Professor of Medicine at Geisel School of Medicine at Dartmouth. She received her MD from Geisel School of Medicine at Dartmouth. She went on to complete her Internal Medicine residency and Infectious Diseases fellowship at the Hospital of the University of Pennsylvania, where her academic focuses centered on Transplant Infectious Diseases and Antimicrobial Stewardship. She joined Dartmouth Hitchcock Medical Center in 2021. Her clinical interests are broad but in particular include the care of immunocompromised hosts, including individuals with hematologic malignancies, stem cell transplants, and solid organ transplants. She has training and interest in antimicrobial stewardship as well as quality improvement work, and she currently serves as the Medical Co-Director of the Comprehensive Antimicrobial Program.

Peter Wright, MD, received his MD from Harvard Medical School, followed by training at NIAID and then residency and fellowship at Children's Hospital in Boston. He subsequently had an extensive research career at Vanderbilt (where he was Professor of Pediatrics, Professor of Microbiology and Immunology, Professor of Pathology, and Chief, Division of Pediatric Infectious Disease), and came to Dartmouth part-time (split with Vanderbilt) in July 2007. In July 2008, he transitioned to full-time at Dartmouth. Dr. Wright's research interests have revolved around viral pathogenesis and vaccine development. In addition, he has provided leadership for a large HIV treatment clinic in Haiti that has become a model of success for antiretroviral therapy in a resource-limited setting.

At Dartmouth he heads the development of a Clinical Translational Research Core and has support for the evaluation of novel influenza vaccines. His primary clinical interest in is Pediatric Infectious Disease.

Richard Zuckerman, MD, MPH, Associate Professor of Medicine, came to Dartmouth Hitchcock Medical Center in 2005 after completing his fellowship at the University of Washington in Seattle. He is the Director of the Transplant Infectious Disease Program, a service that he has developed since his arrival. He has established an active inpatient and outpatient service for infectious disease care of immunocompromised hosts from the hematology and solid organ transplant services. He is involved in teaching and research in both stem cell transplantation and in solid organ transplantation. He has done research evaluating pre-autologous stem cell transplant predictors of immune response to pneumococcal vaccination.

In an extension of his fellowship research, Dr. Zuckerman is also involved in international clinical trials of the interactions between HSV and HIV infections. He is also involved in the evaluation of immunologic reconstitution after solid organ transplantation, including evaluating biomarkers to predict optimal immune suppression regimens. Dr. Zuckerman is involved in teaching medical students and actively mentoring multiple fellows and residents in research projects, and is currently director of the ID fellowship program at Dartmouth Hitchcock Medical Center.