Pharmacy Residency Program Directors and Preceptors
The residency preceptors at Dartmouth-Hitchcock are committed to providing outstanding pharmacy post-graduate residency training. Our goal is to develop autonomous practitioners equipped to provide evidence-based direct patient care. Our team of preceptors are highly skilled, have diverse backgrounds and interests, and are passionate about fostering the future of pharmacy. Below you will find a brief biography for each preceptor, some of whom are involved in several of the residency programs.
Joseph A. Berndsen, PharmD
Clinical Pharmacist Lead-Anticoagulation
PGY1 Residency Program Director
Joseph Berndsen, PharmD is the Anticoagulation Clinical Pharmacy Specialist at Dartmouth-Hitchcock Medical Center. After receiving a doctor of pharmacy degree from the Massachusetts College of Pharmacy and Health Sciences, Worcester, Dr. Berndsen completed a Pharmacy Practice Residency at Dartmouth-Hitchcock Medical Center.
Dr. Berndsen joined the pharmacy department upon completion of his residency training in 2009 as a Clinical Staff Pharmacist in Cardiology prior to serving in his current position.
Dr. Berndsen's areas of interest include anticoagulation stewardship, multidisciplinary approaches to optimize anticoagulation management, and cardiovascular diseases. He currently serves as co-chair of the Pharmacy and Therapeutics Anticoagulation Subcommittee and is a member of the Anticoagulation Stewardship team.
Alyson M. Esteves, PharmD, BCPS, BCCCP
Clinical Pharmacist Lead-Critical Care
PGY2 Critical Care Residency Program Director
Alyson Esteves, PharmD, BCPS, BCCCP, is the Clinical Pharmacist Lead for Critical Care at Dartmouth-Hitchcock Medical Center, as well as the PGY2 Critical Care Residency Program Director. After earning her doctor of pharmacy degree in 2012 from Massachusetts College of Pharmacy and Health Sciences in Boston, Dr. Esteves completed a PGY1 pharmacy residency at Penn State Milton S. Hershey Medical Center. She then completed a critical care specialty residency at Baylor University Medical Center, before coming to DHMC in 2014.
Among critical care topics, Dr. Esteves has particular interests in sedation management and delirium. She is currently the medical intensive care (MICU) preceptor for both PGY1 and PGY2 residents. Dr. Esteves also offers a variety of student rotations. She is a member of the Society of Critical Care Medicine and the American Society of Health System Pharmacists. Outside of work, she enjoys hiking, snowboarding, traveling, and spending time with her dog, family, and friends.
Joyce Gawron, PharmD, BCPS
Associate Director of Pharmacy Services
Joyce Gawron, PharmD, BCPS, is the Associate Director of Pharmacy Services for hospital operations at Dartmouth-Hitchcock Medical Center. Dr. Gawron joined the pharmacy department at DHMC in 2006 and served as the Clinical Manager from 2008 to 2016 before assuming her current position. Dr. Gawron earned a Bachelor of Science degree in pharmacy from the University of Rhode Island and a Doctor of Pharmacy from Albany College of Pharmacy. She practiced many years as a staff pharmacist before assuming leadership roles including Clinical Coordinator and Director of Pharmacy at different institutions. Dr. Gawron serves as a preceptor for the administration rotation and her areas of interest include process improvement and the advancement of both pharmacist and technician roles.
Staci A. Hermann, PharmD, MS
Director of System Clinical Pharmacy
Staci Hermann, PharmD, MS graduated from the University of Rhode Island in 2004 with her PharmD degree. In 2007, she received a MS in Hospital Pharmacy from The University of Wisconsin. While finishing her graduate work, she completed a PGY-2 health- system administration residency at The University of Wisconsin Hospital and Clinics. Dr. Hermann is actively involved with professional organizations such as ASHP and Vizient. She has worked on various committees within these organizations such as the ASHP Section of Pharmacy Managers Programming Committee, ASHP Section of Informatics and Technology, and the Pharmacy Practice Advancement Committee. She currently serves as System Director of Clinical Pharmacy Services at Dartmouth-Hitchcock. Her responsibilities include clinical practice development, staff development, formulary management, system integration, and residency/ student training programs. Her interest areas include staff development, quality improvement, and practice advancement.
Matthew J. Maughan, PharmD
Director of Telepharmacy
Matthew Maughan is the Director of Pharmacy Operations at Dartmouth-Hitchcock Medical Center. His current scope of responsibility includes working with the pharmacy leaders in the Dartmouth-Hitchcock system to organize and implement system pharmacy projects, as well as serve as the Director of Telepharmacy. He has held positions as the Director of Pharmacy at Sidra Medical & Research Center in Doha, Qatar, Director of Pharmacy at Rainbow Babies & Children's Hospital, Manager of the Children's Hospital Pharmacy at the Medical University of South Carolina (MUSC) Medical Center, Adjunct Assistant Professor with the South Carolina College of Pharmacy and Northeast Ohio Medical University.
Dr. Maughan received his Doctor of Pharmacy degree from the Philadelphia College of Pharmacy and completed both a PGY-1 Pharmacy Practice Residency and a PGY-2 Health-System Pharmacy Administration Residency at the Medical University of South Carolina Medical Center.
Dr. Maughan has led efforts to streamline the pharmacy operations while further showcasing clinical pharmacy practice to nurse and physician colleagues. He is always excited to build dynamic health care teams that can rapidly and effectively treat any patient.
Chief Pharmacy Officer
Tom Siepka leads and provides executive leadership for all of Dartmouth-Hitchcock's Pharmacy disciplines and business lines: Hospital, Infusion & Research, Retail/Outpatient, Clinical Ambulatory, ACO/PBM Pharmacy Services, Pharmacy Supply Chain/340B Programs and regional Pharmacy NEPC/NEAH programs spanning the Dartmouth-Hitchcock and Clinic sites across the organization and states. Additionally, he is responsible for and provides strategic oversight and direction of pharmacy programs across Dartmouth-Hitchcock Health and with the affiliate and member entities of the system. Read Tom Siepka's full bio.
Marva Williams-Lowe, PharmD, MHA
Regional Pharmacy Director, Dartmouth-Hitchcock Health
Dr. Marva Williams-Lowe is the Regional Pharmacy Director for the Dartmouth-Hitchcock Health System. She provides oversight for acute care and hospital-based ambulatory pharmacy operations at Mary Hitchcock Memorial Hospital in Lebanon, NH; Mount Ascutney Hospital and Health Center in Windsor, VT; the National Cancer Institute designated Norris Cotton Cancer Center sites in Lebanon, NH and St. Johnsbury, VT. Her areas of responsibility include research pharmacy, medical infusion, and medication management oversight for the Outpatient Surgery Center in Lebanon, NH.
Dr. Williams-Lowe has led the development of pharmacy practice models at Dartmouth-Hitchcock while serving in clinical and administrative positions and on various health system committees. She has led the implementation of various forms of automation and technology, facility design, space redesign, staff education and development programs, and expansion of pharmacy services to include specialized areas of clinical and operational pharmacy practice.
Dr. Williams-Lowe is committed to the development of high reliability pharmacy programs and systems that improve medication safety and quality of patient care.
Dr. Williams-Lowe received her Bachelors of Science degree and Doctor of Pharmacy degree from Massachusetts College of Pharmacy in Boston, MA and completed a Management Certificate program at Boston University and a Masters of Health Administration at the University of Ohio.
Dr. Williams-Lowe serves as one the preceptors for the Administration rotation.
Nabeela Ahmed, PharmD
Clinical Pharmacist Lead- Infectious Diseases
Nabeela Ahmed, PharmD, is the Infectious Diseases Pharmacist Lead at Dartmouth-Hitchcock Medical Center. She earned a doctor of pharmacy degree from Albany College of Pharmacy and Health Sciences in 2015. Dr. Ahmed completed her Pharmacy Practice and Infectious Diseases specialty residency at NYU Langone Health.
At DHMC, Dr. Ahmed provides clinical service to the infectious diseases consultation teams and the antimicrobial stewardship program and serves as a preceptor for the infectious diseases/antimicrobial stewardship rotation. Dr. Ahmed's practice and research interest areas include promotion of optimal antimicrobial use to decrease antimicrobial resistance and C.difficle infection rates through refinement of stewardship interventions. Dr. Ahmed is also a member of the American College of Clinical Pharmacy and Society of Infectious Diseases Pharmacists.
Amanda C. Chuk, PharmD, BCPS, CPHQ
Pharmacy Manager-Medication Use and Standards
Amanda C. Chuk, Pharm.D., BCPS, CPHQ is the Pharmacy Manager - Medication Use and Standards. After receiving her doctor of pharmacy degree from Duquesne University in Pittsburgh, Pennsylvania, Dr. Chuk completed a two-year residency in pharmacy practice and critical care pharmacotherapy at the University of Pennsylvania Medical Center. Dr. Chuk first joined the pharmacy department at DHMC in 2006 as a Clinical Staff Pharmacist in Critical Care and served as the Clinical Pharmacist Lead-Critical Care from 2008 to 2013 before serving in her current position.
Dr. Chuk serves as preceptor for the Medication Safety longitudinal rotation. She also serves as co-chair of the institution's Medication Safety Committee, a group which works to maintain standard and safe medication administration practices across all patient care areas.
Liv S. Erhard, PharmD, BCPS
Clinical Staff Pharmacist-Critical Care
Liv Erhard, PharmD, BCPS, is a Clinical Staff Pharmacist in Critical Care at Dartmouth-Hitchcock Medical Center. Dr. Erhard received her Doctor of Pharmacy degree from the University of Connecticut. She then completed her PGY1 pharmacy residency at Dartmouth-Hitchcock Medical Center.
Dr. Erhard is the surgical ICU preceptor for the PGY2 pharmacy critical care residency program. She also precepts PGY1 residents and pharmacy students in critical care. Her areas of interest include infectious disease and antimicrobial stewardship. Dr. Erhard holds an appointment as an adjunct assistant professor at the University of Connecticut. Outside of work, she enjoys running, ultimate, board games, and spending time with her friends, family, and dog.
Lauren M. Foss, PharmD
Clinical Pharmacist Lead- Medicine/Surgery
Dr. Lauren Foss is originally from Andover, Massachusetts. She earned her Doctor of Pharmacy degree from the University of Rhode Island in 2010. After completing a PGY1 Pharmacy Residency at the VA Boston Healthcare System, Dr. Foss joined the D-H Pharmacy staff as a Clinical Staff Pharmacist prior to serving in her current position as the Medicine/Surgery Clinical Pharmacist Lead.
Dr. Foss' professional areas of interest include geriatrics, diabetes, COPD, pain management, anticoagulation and medication reconciliation. Throughout the year, Dr. Foss offers rotations to both students and residents as part of their required internal medicine rotation. She currently serves as co-chair of the Formulary Panel of the Pharmacy and Therapeutics Committee and is a member of the American Geriatrics Association and the American Society of Consultant Pharmacists. Dr. Foss is also an active board member of the New Hampshire Society of Health-System Pharmacists.
In her spare time, she enjoys trying new recipes, shopping, playing tennis, kayaking and spending quality time with friends and family.
Anastasia M. Gregg, PharmD, BCPS
Clinical Staff Pharmacist- Cardiology and Solid-Organ Transplant
Anastasia M. Gregg, PharmD, BCPS, is a Clinical Staff Pharmacist in Cardiology and Solid-Organ Transplant at Dartmouth-Hitchcock Medical Center. She currently serves as preceptor for PGY-1 Pharmacy Practice Residents in the Solid Organ Transplant Longitudinal Ambulatory Care Rotation.
Dr. Gregg earned her doctorate of pharmacy degree in 2011 from Massachusetts College of Pharmacy and Allied Health Sciences in Boston, Massachusetts. She then completed a pharmacy practice residency at Dartmouth-Hitchcock Medical Center.
Dr. Gregg continued her career path at Dartmouth-Hitchcock Medical Center after residency, working as a clinical staff pharmacist in inpatient cardiology. She began working as the interim solid organ transplant pharmacist in August of 2012. Her areas of interest focus on a variety of cardiology topics, as well as immunosuppression and medication reconciliation. Outside of pharmacy, Dr. Gregg enjoys skiing, hiking and rock climbing.
Katie Karkowski, PharmD, BCOP
Clinical Pharmacist Lead- Hematology/Oncology
Katie Karkowski, PharmD, BCOP is the Clinical Pharmacist Lead for Hematology/Oncology at Dartmouth-Hitchcock Medical Center. She earned her doctor of pharmacy degree in 2014 from the University of Rhode Island College of Pharmacy. Dr. Karkowski then completed a pharmacy practice residency at Providence St. Peter Medical Center followed by an oncology specialty residency at Geisinger Medical Center. She joined the team at Dartmouth-Hitchcock Medical Center in August 2016.
Dr. Karkowski serves as the preceptor for residents during the required hematology/oncology rotation which focuses on inpatient hematology, hematopoietic stem cell transplantation, and related supportive care topics. She also offers an elective advanced hematology/oncology rotation for those interested.
Oleksandra Katrych, PharmD
Clinical Staff Pharmacist- Critical Care
Oleksandra Katrych, PharmD, is a Clinical Staff Pharmacist in Critical Care at Dartmouth-Hitchcock Medical Center. Dr. Katrych earned her Doctor of Pharmacy degree in 2009 from Albany College of Pharmacy and Health Sciences. She then went on to complete a PGY-1 practice residency at DHMC, where she continues her career. She currently serves as critical care preceptor for pharmacy students and is a member of the antimicrobial subcommittee.
Her areas of interest include antimicrobial stewardship, sedation, and pain management. Additionally, she is involved in several projects including renal dose adjustment, desensitization procedure standardization, and antimicrobial test dose protocol development.
Elizabeth A. Koczera, PharmD, BCACP
Ambulatory Care Pharmacist
Elizabeth A. Koczera, PharmD, BCACP, is an Ambulatory Care Pharmacist in the primary care clinics at Dartmouth-Hitchcock Medical Center, Heater Road, and Lyme. She currently serves as a preceptor for PGY-1 Pharmacy Practice Residents in the Primary Care Longitudinal Ambulatory Care Rotation.
Dr. Koczera earned her doctorate of pharmacy degree in 2014 from the University of Rhode Island in Kingston, Rhode Island. She then completed a community pharmacy practice residency at Froedtert and the Medical Colleges of Wisconsin in Milwaukee, WI before returning to the east coast to complete a second year residency specializing in ambulatory care at Boston Medical Center.
Dr. Koczera continued her career path at Dartmouth-Hitchcock after residency, working as the first ambulatory care pharmacist in the primary care clinic within the medical center. Her areas of interest include geriatrics, infectious disease, and generally promoting the pharmacy profession. Outside of pharmacy, Dr. Koczera enjoys rock climbing, trying out new restaurants, and relaxing with her dog, family, and friends.
Jeffrey K. Low, PharmD, BCPPSClinical Pharmacist Lead- Pediatrics
Jeff Low, PharmD, is the Clinical Pharmacist Lead-Pediatrics for the Children's Hospital at Dartmouth Hitchcock. He also serves as an instructor in pediatrics at The Geisel School of Medicine at Dartmouth and an adjunct assistant professor at the University of Connecticut.
Dr. Low earned a doctor of pharmacy degree from the University of Kentucky and completed a pharmacy practice residency at the University of Nebraska Medical Center in Omaha, Nebraska. Before joining the staff at DHMC, Dr. Low was an Assistant Professor at North Dakota State University where he taught courses in pediatric pharmacotherapy and pharmacokinetics. Dr. Low was the co-founder of the pharmacy residency program at Dartmouth-Hitchcock in 2001 and served as the Director of the Postgraduate Year One Pharmacy Residency Program from 2006-2011. An active member of the Pediatric Pharmacy Advocacy Group, Dr. Low has served as the Vice President for Member Services, Chair of the Board of Directors, and is currently serving as Treasurer.
Dr. Low's areas of interest focus on pediatric pharmacy, including medication safety and quality of care in the intensive care nursery and pediatric intensive care unit. He has delivered a variety of lectures and poster presentations related to pediatric pharmacy and pharmacotherapy. Dr. Low precepts PGY1 residents during the required rotation in pediatrics, and he offers elective rotations in the pediatric intensive care unit and neonatal intensive care unit.
Robert W. Maloney, PharmD, BCPS
Clinical Pharmacist Lead- Cardiology
Robert Maloney, PharmD, BCPS is the Cardiology Clinical Pharmacist Lead at Dartmouth-Hitchcock Medical Center. After earning his doctor of pharmacy degree from Massachusetts College of Pharmacy and Health Sciences in Boston, he completed a pharmacy practice residency at Massachusetts General Hospital. Before coming to DHMC, he worked at MGH in both cardiology and general medicine.
Dr. Maloney's areas of interest within cardiology include heart failure, pulmonary hypertension. Dr. Maloney precepts both students and residents during their required rotation in cardiology. He currently serves as a co-chair of the Cardiopulmonary Subcommittee of the Pharmacy and Therapeutics Committee.
Douglas D. Parr, PharmD
Clinical Pharmacist Lead- Investigational Drug Services
Douglas Parr, Pharm.D., is the Clinical Pharmacist Lead – Investigational Drug Services at Dartmouth-Hitchcock Medical Center. Dr. Parr earned his doctor of pharmacy degree from the University of Michigan. Prior to joining the staff at Dartmouth-Hitchcock Medical Center, he was the oncology clinical pharmacist at ProMedica Health System in Toledo, OH.
Dr. Parr is a member of the Committee for the Protection of Human Subjects, the Clinical Cancer Review Committee, the Quality Improvement Committee of the Norris Cotton Cancer Center, the Institutional Biosafety Committee – Gene Transfer Subcommittee, and the Hematology-Oncology Subcommittee of the Pharmacy and Therapeutics Committee. Dr. Parr also serves as chairperson of the Clinical Trial Investigational Order Set Committee.
Dr. Parr's area of interest is to prepare the investigational pharmacy for new studies that will become active/enrolling. He also provides assistance to research teams who are developing investigator-initiated clinical trials. Dr. Parr precepts residents for the elective investigational pharmacy rotation.
Geoffrey A. Rickrode, PharmD, BCPS, BCCCP
Clinical Staff Pharmacist-Critical Care
Geoffrey Rickrode, PharmD, BCPS, BCCCP is a Clinical Staff Pharmacist in Critical Care at Dartmouth-Hitchcock Medical Center. Dr. Rickrode received his BS in microbiology from the University of Massachusetts Amherst, and proceeded to earn his doctor of pharmacy from Northeastern University. He completed his PGY1 pharmacy residency at Dartmouth-Hitchcock Medical Center.
Dr. Rickrode is currently the trauma preceptor for the PGY2 critical care residency program. He also precepts PGY1 residents and pharmacy students in critical care, and previously served as the longitudinal drug information preceptor for the PGY1 program. Dr. Rickrode holds an appointment as adjunct assistant professor at the University of Connecticut, and is a lecturer in critical care pharmacology for the physician assistant program at Franklin Pierce University.
Dr. Rickrode's areas of clinical interest are in trauma, ICU delirium, and antimicrobial stewardship. He is a member of the American College of Clinical Pharmacists and the Society of Critical Care Medicine. Outside of work, he enjoys golf, swimming, music, and spending time with his family and friends.
Susan J. Ware, PharmD
Clinical Pharmacist Lead- Education
Susan Ware, PharmD, is the Clinical Pharmacist Lead-Education, at Dartmouth-Hitchcock Medical Center. Dr. Ware on boards all new hire pharmacists and precepts the orientation rotation of the residency. Dr. Ware coordinates experiential education for 30-35 student rotations per year and serves as preceptor for the institutional rotations. She is Adjunct Assistant Professor and also serves on the Experiential Advisory Board for the University Of Connecticut School Of Pharmacy.
Dr. Ware is President-Elect of the New Hampshire Society of Health System Pharmacists and serves on the Continuing Education Advisory Council for the New Hampshire Board of Pharmacy.
Dr. Ware earned a Bachelor of Pharmacy from Northeastern University and a doctor of pharmacy from the University of Illinois at Chicago. Before joining the staff at DHMC, she worked at Concord Hospital in Concord, NH and was awarded Teacher of the Year 2004-2005 for the NH Dartmouth Family Practice Residency.
Dr. Ware is co-chair of the Policy Specialty Panel of the Pharmacy and Therapeutics Committee.
Her areas of interest include gerontology and pain management.
Craig P. Worby, PharmD, BCPS, BCCCP
Clinical Pharmacist Lead- Emergency Medicine
Dr. Worby received his PharmD at the Rutgers University, Ernest Mario School of Pharmacy in 2011. After completing a PGY-1 at Eastern Maine Medical Center and a PGY-2 specializing in Critical Care at Maine Medical Center, Dr. Worby spent 3 years teaching aminoglycoside/vancomycin pharmacokinetics and cardiology/critical care therapeutics at the University of New England College of Pharmacy prior to joining the DHMC family.
Dr. Worby's clinical interests are pain and sedation management, toxicology, and medication reconciliation. He currently serves as preceptor in the PGY-1 Pharmacy Practice Residency for the longitudinal drug information and medical writing rotation as well as in the PGY-2 Critical Care Residency for the emergency medicine elective rotation. Dr. Worby is also a member of the American College of Clinical Pharmacy and the Society of Critical Care Medicine.