Penn Center for Perioperative Outcomes Research and Transformation

Center for Perioperative Outcomes Research and Transformation

Senior Scholars

CPORT Senior Scholars are doctorally-trained investigators with established or developing independent research programs. They may be mentored by senior faculty, but also serve as mentors to trainees, including CPORT Scholars.

Justin Clapp, PhD, MPH

Justin Clapp, PhD, MPH
Assistant Professor of Anesthesiology and Critical Care at the Perelman School of Medicine

Justin Clapp, PhD, MPH is an Assistant Professor of Anesthesiology & Critical Care at the Perelman School of Medicine.  Dr. Clapp is a medical/linguistic anthropologist whose research uses qualitative methods and social scientific theory to examine aspects of both provider-patient and provider-provider communication in perioperative settings.  His projects focus heavily on generating explanatory models of decision making, including in elective surgery, regional versus general anesthesia, and chronic pain management.  He is also pursuing research on the psychosocial factors that contribute to pain expectations and on the interaction between physician consultants and care teams.  In addition, Dr. Clapp is a frequent collaborator with other investigators at the Perelman School of Medicine who do qualitative work outside the perioperative space.


Nabil Elkassabany, MD, MSCE

Nabil Elkassabany, MD, MSCE
Associate Professor of Anesthesiology and Critical Care at the Perelman School of Medicine

Nabil Elkassabany, MD, MSCE, is an Associate Professor in the Department of Anesthesiology and Critical Care at the Perelman School of Medicine, University of Pennsylvania in Philadelphia. He is the director of the sections of Regional and Orthopedic Anesthesiology. He is also the director of the anesthesia service at the ambulatory surgery facility at Penn Medicine at University City. Dr. Elkassabany did his undergraduate and medical education in Alexandria University, Egypt. He completed his anesthesia residency training at Cleveland Clinic, Cleveland, Ohio and his regional anesthesia subspecialty training at the University of Florida at Gainesville, Florida. He earned a master degree in clinical epidemiology and biostatistics in December 2012 from the Perelman School of Medicine at the University of Pennsylvania. Dr Elkassabany is also the fellowship program director for regional anesthesia and acute pain medicine at the University of Pennsylvania. He was recently inducted to the academy of master clinicians at the University of Pennsylvania. His research interest focuses on patients’ outcomes after regional anesthesia in different clinical settings. He is especially interested improving patient outcomes after major joint arthroplasty and defining the value added by regional anesthesia and acute pain medicine to patients’ perioperative experience. He is the chair of the subcommittee on regional anesthesia and acute pain medicine educational track at the American Society of Anesthesiologists (ASA). He is also the scientific chair of the American Society of Regional Anesthesia and Pain Medicine (ASRA) 2021-spring meeting, Orlando, Florida. Nabil was the editor for the ASRA News 2015-2018 and is currently an associate editor for the journal of Regional Anesthesia and Pain Medicine (RAPM). Nabil is the chair of the industry relation committee, and communication committee in addition to being a member of the board of directors of ASRA.


Timothy Gaulton, MD, MS

Timothy Gaulton, MD, MS
Assistant Professor of Anesthesiology and Critical Care at the Perelman School of Medicine

Timothy Gaulton, MD, MS is an Assistant Professor in the Department of Anesthesiology and Critical Care at the University of Pennsylvania Perelman School of Medicine.  He is board certified in anesthesiology and critical care medicine.  Dr. Gaulton received his medical degree from the University of Pennsylvania Perelman School of Medicine as well as a masters in clinical epidemiology.  He completed residency in anesthesiology at the Brigham and Women’s Hospital and critical care medicine fellowship at the Hospital of the University of Pennsylvania.  Dr. Gaulton research centers on perioperative outcomes with a focus on functional and cognitive recovery after major surgery and trauma.


Veena Graff, MD, MS

Veena Graff, MD, MS
Assistant Professor of Clinical Anesthesiology and Critical Care at the Perelman School of Medicine

Veena Graff MD, MS is an Assistant Professor in the Department of Anesthesiology & Critical Care at the University of Pennsylvania Perelman School of Medicine. Dr. Graff's research focuses on the benefits and the implementation of music in the perioperative setting for patients undergoing surgery to improve the overall patient experience in a hospital setting. Her research also focuses on evaluating patient understanding and decision making with regional anesthesia and pain management therapies in the acute and chronic pain and perioperative settings. She is active in teaching opioid training lectures for practicing physicians on the hospital, state, and medical school level at the University of Pennsylvania Perelman School of Medicine.

Dr. Graff is board-certified in both anesthesiology and pain medicine. She received her MS from Purdue University and her MD from Indiana University School of Medicine. She completed both her anesthesiology residency and pain medicine fellowship at the University of Vermont Medical Center in Burlington, Vermont.


Emily MacKay, DO, MSHP

Emily MacKay, DO, MSHP
Assistant Professor of Anesthesiology and Critical Care at the Perelman School of Medicine

Emily MacKay, DO, MSHP is an Assistant Professor in the Department of Anesthesiology and Critical Care at the University of Pennsylvania Perelman School of Medicine. She is board certified in transesophageal echocardiography, anesthesiology, and critical care medicine. Dr. MacKay received her medical degree from the Philadelphia College of Osteopathic Medicine and a Master of Science in Health Policy from the University of Pennsylvania. She completed her residency in anesthesiology at Thomas Jefferson University Hospital, and both adult cardiothoracic anesthesiology and critical care medicine fellowships at the University of Pennsylvania. Dr. MacKay’s research surrounds the use of echocardiographic cardiac imaging and its impact on clinical outcomes after cardiac surgery.


Diana Mosquera, MD, MBA

Diana Mosquera, MD, MBA
Assistant Professor of Clinical Anesthesiology and Critical Care at the Perelman School of Medicine

Diana Mosquera, MD, MBA is an Assistant Professor in the Department of Anesthesiology and Critical Care at the University of Pennsylvania Perelman School of Medicine. Dr. Mosquera received her medical degree from Weill Cornell Medicine and completed her residency in Anesthesiology at the University of Pennsylvania. Following her clinical training, Dr. Mosquera obtained an MBA in Health Care Management from the Wharton School where she was awarded a Joseph Wharton Fellowship for academic achievement. While at Wharton, she garnered a rich understanding of U.S. healthcare policy, healthcare finance and value-based care. She is active in quality improvement and patient safety education, managed care strategy and value-based insurance contracting. Dr. Mosquera is interested in cultivating a career at the intersection of health system management, managed care policy translation and academic medicine.


Wallis (Ty) Muhly, MD

Wallis (Ty) Muhly, MD
Assistant Professor of Anesthesiology and Critical Care at the Perelman School of Medicine

Wallis Muhly, MD is an Assistant Professor of Anesthesiology and Critical Care at the Perelman School of Medicine at the University of Pennsylvania. He is a board certified pediatric anesthesiologist at the Children’s Hospital of Philadelphia. Dr. Muhly received his medical degree from the University of Pittsburgh School of Medicine. He completed his residency in anesthesiology at the University of Pittsburgh Medical Center and completed a fellowship in pediatric anesthesiology at the Children’s Hospital of Philadelphia. Upon completion of his fellowship, Dr. Muhly joined the staff of the Children’s Hospital of Philadelphia with an academic appointment through the University of Pennsylvania School of Medicine. Dr. Muhly is interested in pediatric pain management and clinical outcomes following pediatric surgery. He has been active in the implementation of Enhanced Recovery after Surgery (ERAS) principles in a variety of pediatric surgeries including spine deformity correction and chest wall reconstruction. Dr. Muhly is also working to develop patient-centered composite assessment tools for measuring quality of recovery following surgery in children.


Sushila Murthy, MD, MPH

Sushila Murthy, MD, MPH
Assistant Professor of Anesthesiology and Critical Care at the Perelman School of Medicine

Sushila Murthy, MD, MPH is an Assistant Professor at the University of Pennsylvania and Anesthesiologist for the University of Pennsylvania Health System. She received her MD at the University of Pennsylvania School of Medicine and her MPH at the Johns Hopkins Bloomberg School of Public Health. She completed her residency in Anesthesiology at Massachusetts General Hospital (MGH) and then continued at MGH to pursue a fellowship in Health Services Research, during which she collaborated with the Center for Surgery and Public Health. Dr. Murthy is interested in patient centered care of older surgical patients, who may have varied goals, values, and concerns related to surgery. Currently, she is examining the possible role of early palliative or geriatric medicine in the care of older patients who fracture their hip, in order to improve preoperative goals of care discussions, augment perioperative medical management, and offer more robust support services for patients postoperatively.  She is also interested in exploring how assessing patients' frailty may inform patients and their providers in the perioperative period.


Michael Scott, MB ChB, FRCP, FRCA, FFICM

Michael Scott, MB ChB, FRCP, FRCA, FFICM
Professor of Anesthesiology and Critical Care at the Perelman School of Medicine

Michael Scott, MB ChB, FRCP, FRCA, FFICM is Professor in the Department of Anesthesiology and Critical Care Medicine at the Perelman School of Medicine, University of Pennsylvania in Philadelphia. He is Division Chief of Critical Care and Medical Director for the TeleICU Penn e-LERT. Mike undertook his undergraduate medical training in the UK and Postgraduate training in the UK and Australia. He trained in internal medicine before doing anesthesiology and critical care medicine and is the equivalent of triple boarded with Fellowships of the Royal College of Physician’s, Royal College of Anaesthetists and Faculty for Intensive Care Medicine.

He was one of the first clinicians to develop Enhanced Recovery after Surgery (ERAS) in 2001 which has had enormous impact on surgical outcomes and now a standard of care. He was appointed a National Clinical Advisor in Enhanced Recovery in the UK for NHS Improvement in 2012. He was on the Editorial Board for UK and European Resuscitation Council contributing to the Advanced Life Support, Immediate Life Support and Pediatric Life Support Manuals, Since moving to the USA in 2016 he has also contributed to the AHRQ ERAS guidelines for the American College of Surgeons. Mike has a keen research interest in surgical outcomes research and has been investigator / Chief Investigator for multiple studies in analgesia, haemodynamic monitoring, fluid therapy and the stress response for surgery within an ERAS Protocol. He has supervised many PhDs / MScs. Mike is co-author for some of the ERAS Society Consensus Guidelines, Chair of the ERAS Education Committee and is President Elect of the ERAS USA Chapter. Mike has lectured extensively around the world and has published clinical trials, editorials and review papers. He was a member of the WHO Education Committee and Member and author of the World Health Organisation LIFEBOX Project Pulse Oximetry Manual and algorithms.

His research interests span across the whole of the perioperative care pathway and his clinical commitments include high risk pre-assessment clinics, anaesthesia for major resections and post-operative optimisation. He also has clinical commitments to surgical, trauma, transplant and neuroscience intensive care admissions. Current projects include integrating live physiological waveforms with the Electronic Health Record to individualize treatment for patients.


Allan Simpao, MD, MBI

Allan Simpao, MD, MBI
Assistant Professor of Anesthesiology and Critical Care at the Perelman School of Medicine

Allan Simpao, MD, MBI is an Assistant Professor of Anesthesiology and Critical Care at the University of Pennsylvania Perelman School of Medicine. He is a board-certified pediatric anesthesiologist and clinical informatician at Children’s Hospital of Philadelphia, and his scholarly focus is on using data, technology, and analytics to improve the understanding and management of perioperative care of children. Dr. Simpao’s clinical expertise is in pediatric and maternal-fetal anesthesia.


Paul Stricker, MD

Paul Stricker, MD
Associate Professor of Anesthesiology and Critical Care at the Perelman School of Medicine

Paul Stricker, MD is an Associate Professor of Anesthesiology and Critical Care at the Perelman School of Medicine at the University of Pennsylvania. He is a board certified pediatric anesthesiologist at the Children’s Hospital of Philadelphia. Dr. Stricker is also a graduate of the Intermountain Advanced Training Program in Healthcare Delivery Improvement at Intermountain Healthcare, Salt Lake City, Utah.

Dr. Stricker’s research focus has included clinical outcomes research using observational databases in children undergoing complex cranial vault reconstruction surgery. To address the lack of multicenter data pertaining to outcomes and management in this high-risk population, Dr. Stricker convened a group of pediatric anesthesiologists from the US and Canada and founded the Pediatric Craniofacial Collaborative Group. Dr. Stricker has since led this group in establishing the Pediatric Craniofacial Surgery Perioperative Registry. Dr. Stricker and his collaborators are leveraging the data in this multicenter registry together with the collaborative relationships that he has developed to achieve improvements in perioperative healthcare delivery for this niche surgical population.

He is a leader in the nascent INQUIRE (Informatics, Quality Improvement, and Research) group at the Children’s Hospital of Philadelphia, whose mission is to determine core pediatric clinical perioperative outcomes using bioinformatics and scientific and quality improvement methodologies, and to develop diagnostic and therapeutic interventions to improve them. The identification of core perioperative outcomes in pediatrics will inform research and quality improvement efforts and serve as a tool for optimizing healthcare delivery and costs in pediatric surgical populations.


Rajeev Subramanyam, MD, MS

Rajeev Subramanyam, MD, MS
Associate Professor of Anesthesiology and Critical Care at the Perelman School of Medicine

Rajeev Subramanyam, MD, MS is an Associate Professor of Anesthesiology and Critical Care at the Perelman School of Medicine at the University of Pennsylvania and the Associate Chief for Quality and Safety in the Division of General Anesthesia at The Children’s Hospital of Philadelphia. He is a board-certified pediatric anesthesiologist. Dr. Subramanyam has done an advanced fellowship in Quality Improvement and Patient Safety at Cincinnati Children’s Hospital Medical Center. He is also a graduate of the Intermediate Improvement Science Series Leadership Course from Cincinnati Children’s Hospital Medical Center.

Dr. Subramanyam’s focus has included national and international quality improvement and patient safety work. To foster quality improvement initiatives internationally, Dr. Subramanyam has partnered with the Indian Society of Pediatric Anesthesiologists and the European Society of Pediatric Anesthesia. This will enable creation of quality improvement registry on a national basis for the first time in Pediatric Anesthesiology in India. In addition, he conducts workshops on quality improvement in India and Europe.

On the research front, he is focused on pediatric anesthesia outcomes in children with obstructive sleep apnea and children exposed to secondhand smoke. He was a part of the team that validated the most commonly used screening questionnaire for obstructive sleep apnea STOP-Bang in surgical patients. This questionnaire is now part of routine screening of sleep apnea based on published guidelines from Society for Ambulatory Anesthesia and Society for Anesthesia and Sleep Medicine.


Tori Sutherland, MD

Tori Sutherland, MD
Assistant Professor of Anesthesiology and Critical Care at the Perelman School of Medicine

Tori Sutherland, MD, MPH is an Assistant Professor of Anesthesiology and Critical Care at the Perelman School of Medicine at the University of Pennsylvania. She is a board certified pediatric anesthesiologist at the Children’s Hospital of Philadelphia and is a core faculty member at the Center for Pediatric Clinical Effectiveness (CPCE). Dr. Sutherland received her medical degree with Distinction in Research from the University of Texas Southwestern Medical Center in Dallas, TX. She completed her internship in general surgery at Brigham and Women’s Hospital in Boston, MA, residency in anesthesiology at Beth Israel Deaconess Medical Center in Boston, and fellowship in pediatric anesthesiology at Boston Children’s Hospital. She also holds a Master of Public Health degree from the Johns Hopkins Bloomberg School of Public Health. Dr. Sutherland’s previous research experience includes maternal mortality reduction trials in Egypt, Nigeria, and Zimbabwe; as well as a clinical trial to characterize antimicrobial resistance in Rwanda, Monte Carlo simulations and cost-effectiveness analyses. Currently, her primary interests include appropriate perioperative antibiotic use and reducing unnecessary opioid exposure among pediatric patients.



© The Trustees of the University of Pennsylvania | Site best viewed in a supported browser. | Report Accessibility Issues and Get Help | Privacy Policy | Site Design: DART Web Team.