Faculty

Kelly Bolesta, PharmD, BCPS
Director of Pharmacy, Geisinger Wyoming Valley Medical Center
Dr. Bolesta earned her Doctor of Pharmacy from the Nesbitt School of Pharmacy at Wilkes University in 2001. She then completed a PGY1 pharmacy residency at the University of Kentucky Chandler Medical Center. Dr. Bolesta began her career with Geisinger in 2003 as a clinical pharmacist. Her current role is director of pharmacy for Geisinger Wyoming Valley Medical Center. She serves on several committees, including the Medication Use Evaluation Committee, the Formulary Steering Committee and the Pharmacy and Therapeutics Committee. Dr. Bolesta is an adjunct professor for Wilkes University Nesbitt School of Pharmacy and faculty for Geisinger Commonwealth School of Medicine. Her professional interests include pharmacy operations, continuous quality improvement, staff development and pharmacy education.

Michelle Budzyn, PharmD, BCPS
Assistant Director
Dr. Budzyn is a graduate of the Nesbitt School of Pharmacy at Wilkes University. She earned her Doctor of Pharmacy in 2012. After graduation, she accepted a position as a clinical pharmacist at Geisinger Wyoming Valley Medical Center and transitioned into the clinical coordinator role in 2016. In 2018, she accepted the position of assistant director. Dr. Budzyn is a preceptor for the Drug Information and Healthcare Education rotation, the Pharmacy Administration and Medication Safety rotation and the Pediatric Elective rotation. She serves on the Residency Advisory Committee, the Neonatal Committee, the Antimicrobial Stewardship Committee, the Formulary Steering Committee, the Medication Utilization Evaluation Committee and the Pharmacy and Therapeutics Committee. Dr. Budzyn is an adjunct associate professor in the Department of Pharmacy Practice at the Wilkes University Nesbitt School of Pharmacy and for the Geisinger Commonwealth School of Medicine. Her areas of interest include pediatrics/neonatology, obstetrics, internal medicine, emergency medicine and medication safety.

Sydney Estock, PharmD, BCPS
Clinical Pharmacist, Cardiology/Internal Med/Emergency Medicine/Critical Care
Dr. Estock graduated from the St. John Fisher College Wegmans School of Pharmacy with her PharmD in 2021. After graduation, she completed a PGY1 pharmacy practice residency at Geisinger Wyoming Valley Medical Center. After residency, she joined Geisinger Wyoming Valley Medical Center as a clinical pharmacist. Her areas of interest include internal medicine, emergency medicine and pediatrics. She is a preceptor for the cardiology and longitudinal staffing rotations and is a member of the wellness committee.

Kristen Franklin, PharmD, BCCCP
Clinical Pharmacist, Critical Care Medicine/Emergency Medicine
Coordinator, Critical Care Medicine/Infectious Diseases
Preceptor of the Year 2020 - 2021
Dr. Franklin graduated from Wilkes University Nesbitt School of Pharmacy in 2017. She pursued a PGY1 pharmacy practice residency at Geisinger Wyoming Valley Medical Center and a PGY2 in critical care at Penn State Milton S. Hershey Medical Center. After completing both residencies, she joined Geisinger Wyoming Valley Medical Center as a clinical pharmacist. She is the chair of the Residency Research Committee as well as an active member of the Residency Advisory Committee and ABCDEF Committee. Her professional interests include sedation, shock, trauma surgery and interdisciplinary education.

Arthur Jankowski, PharmD, BCPS
Clinical Pharmacist, Emergency Medicine
Dr. Jankowski is a graduate of the Nesbitt School of Pharmacy at Wilkes University. He earned his Doctor of Pharmacy in 2012. He completed a PGY1 pharmacy practice residency at the Penn State Milton S. Hershey Medical Center, after which he accepted a position at Geisinger Medical Center as a clinical pharmacist focusing on emergency medicine and pediatrics. Dr. Jankowski then transferred to Geisinger Wyoming Valley Medical Center to expand clinical pharmacy services in emergency medicine to provide 24-hour coverage overnight. He is a board-certified pharmacotherapy specialist and serves as a preceptor in emergency medicine.   

Anthony Jaworski, PharmD, BCCCP
Clinical Program Manager, Poison Control Center
Children’s Hospital of Philadelphia
Dr. Jaworski coordinates clinical activities for the Poison Control Center to ensure optimal poison information and toxicology support to the community's patients and providers. He also serves as the Poison Control’s liaison to the Pharmacy Department and Medication Safety Office. Dr. Jaworski is a graduate of Wayne State University, where he earned his Doctor of Pharmacy. He completed a PGY1 residency at Henry Ford Hospital, followed by a PGY2 in critical care at West Virginia University. He precepts our Elective Remote Toxicology rotation.

Jamie Kerestes, PharmD, BCCCP, BCEMP
PGY2 Emergency Medicine Residency Program Director
Pharmacy Manager, Emergency Medicine
Dr. Kerestes earned her Doctor of Pharmacy degree from the University of the Sciences Philadelphia College of Pharmacy in 2011 and joined Geisinger Wyoming Valley Medical Center following graduation. She currently serves as Pharmacy Manager and PGY2 Emergency Medicine Residency Program Director and has been instrumental in the development and expansion of emergency medicine pharmacy services across Geisinger. Dr. Kerestes is board certified in both Critical Care and Emergency Medicine and oversees pharmacist education, competency assessment, and certification for adult and pediatric code response programs. She serves on several multidisciplinary committees, including the Emergency Medicine Service Line, Emergency Management Committee, Emergency Medical Response Committee, Emergency Medical Services for Children Council, and Virtual Headache Hospital. Dr. Kerestes is an Adjunct Instructor in the Department of Pharmacy Practice at the Wilkes University Nesbitt School of Pharmacy and a Clinical Assistant Professor in the Department of Medical Education at the Geisinger School of Medicine. Her professional interests include teaching, emergency medicine, addiction medicine, population health, trauma, toxicology and the development of innovative pharmacy services that improve quality, safety, equity and patient outcomes.

Kimberley Limouze, PharmD, BCPS, BCCCP
Clinical Pharmacist, Critical Care
Dr.  Limouze is a 2010 graduate of the Eshelman School of Pharmacy at the University of North Carolina. She completed her PGY1 pharmacy residency at Vidant Medical Center (now ECU Health) in Greenville, NC, and a PGY2 critical care residency at the University of Maryland Medical Center in Baltimore, MD. She joined the pharmacy team at Geisinger Wyoming Valley Medical Center in 2021 and is a preceptor for students and residents in trauma surgery, critical care and cardiology. Dr. Limouze is a member of the Residency Advisory Committee and the Sepsis Committee. Her professional interests include the management of alcohol withdrawal, atrial fibrillation and peripheral vasopressor administration. 

Charles Milazzo, RPh
Clinical Pharmacist
Mr. Milazzo graduated with a Bachelor of Science in Pharmacy from the Temple University School of Pharmacy in 1993. He has been a clinical pharmacist at Geisinger Wyoming Valley Medical Center since 1994, with a focus in emergency medicine, internal medicine, critical care medicine, hematology and oncology, and neonatal medicine. He is a member of the Critical Care Committee.

Eryn Milius, PharmD, BCPS
Clinical Pharmacist, Emergency Medicine
Dr. Milius is a graduate of Wilkes University where she received her Doctor of Pharmacy in 2009. She completed a PGY1 pharmacy practice residency at St. Luke’s University Hospital in Bethlehem. After residency, she accepted a position at Geisinger Medical Center as a clinical pharmacist where she established rounding services with trauma surgery. She transferred to Geisinger Wyoming Valley in 2017 to work in the emergency department full time. She is a board-certified pharmacotherapy specialist and serves as a preceptor for the emergency medicine rotations for both PGY1 and PGY2 residents. Outside of work, she enjoys traveling, running and spending time with her family.

Madeline Murphy, PharmD, BCPS
Clinical Pharmacist, Infectious Diseases
Coordinator, Infectious Diseases
Dr. Murphy graduated from the Eshelman School of Pharmacy at the University of North Carolina in 2023. She completed her PGY1 residency at Houston Methodist Hospital. She joined Geisinger Wyoming Valley Medical Center as a clinical pharmacist in 2024 and serves as a preceptor for the infectious diseases rotation. Her professional interests include antimicrobial stewardship and gram-negative resistance.

Scott Mitsko, PharmD
Clinical Pharmacist, Emergency Medicine
Assistant Program Director 
sdmitsko@geisinger.edu 
Scott Mitsko, PharmD, graduated from Ohio Northern University, Raabe College of Pharmacy in Ada, Ohio, where he earned his Doctor of Pharmacy in 2023. He completed his PGY1 pharmacy practice residency and PGY2 emergency medicine pharmacy residency at Geisinger Wyoming Valley Medical Center. After residency, Dr. Mitsko accepted a clinical pharmacy position at Geisinger Wyoming Valley Medical Center where he continues to practice with a focus in emergency medicine. His professional interests include toxicology, resuscitation, pharmacy education and infectious diseases.

David Moll, PharmD, BCCCP
Clinical Pharmacist
Dr. Moll graduated from Wilkes University in 2020. After graduation, he completed a PGY1 pharmacy practice residency at Geisinger Wyoming Valley Medical Center. After residency, he worked at Geisinger Wyoming Valley Medical Center as an acute care clinical pharmacist and Lehigh Valley Health Network as a critical care pharmacist in the ICU. Currently, he works at Geisinger Wyoming Valley Medical Center in the emergency department. Dr. Moll is an active member on the Residency Advisory Committee and a preceptor for emergency medicine II rotation. His interests include emergency medicine, critical care and pediatrics.

Sarah Siemion, PharmD, BCPS
PGY1 Residency Program Director
Clinical Pharmacist, Critical Care Medicine/Emergency Medicine/Infectious Diseases
Dr. Siemion is a graduate of the Nesbitt School of Pharmacy at Wilkes University. She earned her PharmD in 2010, then completed a PGY1 pharmacy residency at Orlando Regional Medical Center. After her residency, she accepted a position at Geisinger Wyoming Valley Medical Center as a clinical pharmacist to implement pharmacy services in the Emergency Department. She serves as the preceptor for critical care medicine and infectious diseases rotations. Dr. Siemion is an adjunct instructor in the Department of Pharmacy Practice of Wilkes University Nesbitt School of Pharmacy and clinical assistant professor of pharmacy, Department of Medical Education, Geisinger School of Medicine. She has been board certified in pharmacotherapy through the Board of Pharmaceutical Specialties since 2011. She serves as a member on the Residency Advisory, Sepsis and C. Difficile Task Force committees. Dr. Siemion’s areas of interest include emergency bedside response, trauma, acute ischemic stroke and sepsis.

Drew Schmucker, PharmD, BCEMP 
Assistant Program Director 
Preceptor of the Year 2024-2025
Dr. Schmucker earned his Doctor of Pharmacy from the University of Missouri Kansas City in 2022. He went on to complete a PGY1 pharmacy practice residency at Loyola University Medical Center and a PGY2 emergency medicine residency at Geisinger Wyoming Valley Medical Center. Dr. Schmucker is a board-certified emergency medicine pharmacist and serves as the Assistant Residency Director for the PGY2 program. He is passionate about mentoring the next generation of pharmacists, and his professional interests include trauma, toxicology, infectious disease and teaching.

Jennifer Yannuzzi, PharmD
Dr. Yannuzzi graduated from Duquesne University Mylan School of Pharmacy, where she earned her Doctor of Pharmacy in 2019. After graduation, she moved back to northeast Pennsylvania to complete her PGY1 pharmacy practice residency at Geisinger Wyoming Valley Medical Center, then accepted a position with the hospital as a clinical pharmacist. Dr. Yannuzzi is an active member of the Residency Advisory Committee and is preceptor in training for the Internal Medicine rotation.

Justine Zuk, PharmD
Pharmacy Manager, Northeast Region, Hematology/Oncology
Dr. Zuk graduated from Wilkes University Nesbitt School of Pharmacy in 2018. She joined the Geisinger Wyoming Valley Medical Center Henry Cancer Center team in November 2018. She was the Oral Chemotherapy Clinic Pharmacy Coordinator from 2022 – 2025. In 2025, she transitioned to the Northeast Region Pharmacy manager role where she leads the Northeast cancer center team. Dr. Zuk’s areas of interest include hematology, patient education and precepting.