Meet the Team

Administration | Operations | Education | Research | Assistant Directors | Advisory Council


Andrew Eyre

Andrew Eyre, MD, MS-HPED

Medical Director |
Assistant Professor of Emergency Medicine, Harvard Medical School

Dr. Andrew Eyre serves as the Medical Director for the STRATUS Center for Medical Simulation at Brigham and Women’s Hospital in Boston, Massachusetts where he is also a practicing emergency medicine physician. He attended medical school at the University of Vermont College of Medicine where he was inducted into the Alpha Omega Alpha and Gold Humanism Honor Societies. After completing residency at the Harvard Affiliated Emergency Medicine Residency (HAEMR) based out of Brigham and Women’s Hospital and The Massachusetts General Hospital, Dr. Eyre completed a fellowship in medical simulation at STRATUS/Brigham and Women’s Hospital and earned a master’s degree in Health Professions Education from the MGH Institute of Health Professions. 

Throughout his career, Dr. Eyre has held a variety of leadership roles in medical education at both Harvard Medical School and Brigham and Women’s Hospital, including serving as the Assistant Program Director for HAEMR. Dr. Eyre has received numerous awards for teaching and education, including the Brigham and Women’s Hospital Bernard Lown Award for Excellence in Teaching.  In addition to medical simulation, Dr. Eyre’s academic interests include international medical education, curriculum design, and procedure education. 

Judy Phalen

Judy Phalen, MPH

Administrative Director

Judy has comprehensive experience in executive-level administration, fiscal governance, and research oversight in healthcare, non-profit, and higher education settings. Prior roles include serving as the Director of Administration at Massachusetts General Hospital’s Benson-Henry Institute for Mind Body Medicine, the Chester M. Pierce, MD Division of Global Psychiatry and the Bulfinch Program. Judy was the Deputy Director of the Robert Wood Johnson’s Health e-Technologies Initiative national program office, led college health and wellness efforts, and managed a collaboration between Brigham and Women’s Hospital and Blue Cross Blue Shield of MA.

Judy has previously participated in research funded by the National Institute on Drug Abuse, the US Department of Education, the National Cancer Institute, and the National Institute of Mental Health. She is a graduate of the University of Michigan’s School of Public Health in Health Behavior and Health Education.

Dustin Kenyon, BA

Program Coordinator

Dustin Kenyon is currently serving as the Program Coordinator at STRATUS. His duties include managing user data and course metrics and in helping coordinate the International Fellowship in Clinical Simulation Program. Prior to joining the team in 2022, he worked in the front end of patient care in the Orthopedics department and in Multiple Practices in at the Foxboro Mass General/Brigham Healthcare Center. He is a graduate of Saint Michael’s College.

Alexandra Pierre, BS

Administrative Assistant

Alexandra joined the STRATUS Center as an Administrative Assistant. Alexandra holds a bachelor’s degree in public health from Temple University. Prior to working at STRATUS, she worked for multiple hospitals including Dana Farber Cancer Institute and Orlando Health in Orlando, FL.  She is currently working on obtaining her master’s in healthcare administration. In her free time, she enjoys watching documentaries and cooking recipes she finds online.


Mary “Maggie” Ryan, RN, MS, CHSE

Director of Education

Maggie earned her undergraduate degree in nursing from Boston College. She worked as a bedside nurse in neuro critical care and outpatient surgery, while attending the University of Maryland for a Masters in Education. Maggie worked as a simulation educator at the University of Maryland MASTRI Center, where she fell in love with all aspects of simulation, from the operational side to the development of curriculum and educational programs, and experienced firsthand, the value of simulation education for healthcare professionals. Maggie was the Assistant Director of Education at STRATUS for three years where she worked with course directors throughout the system to transform an idea or educational need into high quality, effective simulation education programs in line with educational best practices.  She was promoted to Director of Education in the summer of 2023. 

Kathleen Wittels, MD

Director of the International Program in Clinical Simulation |
Associate Professor of Emergency Medicine, Harvard Medical School

Dr. Kathleen Wittels received her medical degree from Brown University Warren Alpert Medical School and completed residency in the Harvard Affiliated Emergency Medicine Residency (HAEMR) at Brigham and Women’s Hospital (BWH)/Mass General Hospital (MGH). She is a practicing emergency medicine physician at BWH and Associate Professor of Emergency Medicine at Harvard Medical School.

In addition to her leadership role in STRATUS, Dr. Wittels is the Director of Student Programs for the Department of Emergency Medicine at BWH. Dr. Wittels is recognized as a leading educator through her work developing new curricula for Harvard medical students and innovative emergency medicine simulation curriculum for Harvard learners. She has received multiple teaching and education awards and lectures nationally and internationally on topics including medical simulation and assessment of learners.

Janie Nichols, RN

Senior Program Manager of Education

Janie earned her first undergraduate degree from Temple University studying strategic communications. Upon moving to Boston, she enrolled at Simmons University where she earned her bachelor’s in nursing. There, she developed a passion for educating and training others. She has experience in both pediatric and adult emergency nursing. She is driven by a passion for healthcare education, particularly leveraging simulation for enhanced learning among healthcare professionals. Janie is committed to collaborating with course directors to elevate patient care through innovative and effective educational strategies.

Paul Jansson, MD, MS

Paul Jansson, MD, MS

STRATUS Lead for Quality and Safety Programs

Dr. Paul Jansson is an emergency and critical care physician at Mass General Brigham and a faculty member at Harvard Medical School in Boston. He graduated from Northwestern University Feinberg School of Medicine Magna Cum Laude in Scientia Experimentali with a dual master’s degree in healthcare quality and patient safety. He completed residency training at the Harvard Affiliated Emergency Medicine Residency at Brigham and Women’s Hospital and Massachusetts General Hospital, followed by a fellowship in internal medicine – critical care medicine at Brigham and Women’s Hospital and Harvard Medical School. He practices clinically in both the emergency department and critical care unit and serves as the quality improvement lead for the Division of Emergency Medicine Critical Care in the Department of Emergency Medicine. In his little free time, he can be found outside hiking with his partner Christiana, who is also an emergency physician.

Elmira Andreeva, MD

Emergency Medicine Simulation Fellow

Dr. Elmira Andreeva is the current Emergency Medicine Simulation Fellow and an emergency medicine physician at Brigham and Women’s Hospital. She attended medical school at Emory University School of Medicine and completed her residency training at Boston Medical Center.

During residency, Dr. Andreeva was involved in the development and implementation of multiple curricula and educational simulation projects. During her time at STRATUS, she is looking forward to exploring the numerous facets of medical simulation, including quality and process improvement, human factors research, and the use of technology to advance medical education.

Mary-Anne Kenyon

Mary Anne M. Kenyon, DNP, MPH, MS, ONC, RN

Director of Nursing Education

Mary Anne Murphy Kenyon, DNP, MPH, MS, ONC, RN, is a professional development manager in the Center for Nursing Excellence (CNE) and Director of Nursing Education at STRATUS. She has a BSN in Nursing, MPH in Epidemiology, MS in Nursing Administration and Gerontology, and a Doctorate in Nursing Practice. She is a certified in Orthopedic Nursing and has spent 35 years at BWH in Orthopedics and Ortho Trauma as a staff nurse, clinical educator and nurse director.

In 2018, Mary Anne made a practice change to her current role, supporting nursing orientation and competency. She thoroughly enjoys working with new staff to ensure that they are warmly welcomed to Brigham and Women’s Hospital and are set up with the best practices experiences to ensure their satisfaction, while delivering the safest care to our patients and families. At STRATUS, she is interested in exploring the interconnections of current nursing projects including the nursing residency program, regulatory readiness, orientation, annual competency, and geriatric leadership program.


Persephone Giannarikas, BA, NREMT, CHSOS

Operations Manager

Persephone was promoted to oversee the Operations Team at the STRATUS Center after starting her simulation career here more than four years ago as a Simulation Specialist. Previously, she has worked in various healthcare roles at Brigham and Women’s Hospital, including as a patient care associate. Persephone is a certified Emergency Medical Technician (EMT) through the Boston Emergency Medical Services program. She aspires to become an emergency department nurse. She continues to builds positive relationships with key institutional team members while ensuring policies and workflows are documented and meet institutional standards. Persephone’s dynamic and creative leadership style is dedicated to keeping STRATUS a pioneer in high-quality simulation programs.

Eric Nohelty, BS, NREMT, CHSOS

Senior Simulation Specialist

Eric joined STRATUS from his previous role in the Brigham and Women’s Hospital Emergency Department as an ESA. He was promoted to a Senior Simulation Specialist in August, 2023. He graduated Brandeis University with a Bachelor’s of Science in Neuroscience and Biology. He has explored different fields of research including Sports Medicine at Boston Children’s Hospital and Infectious Disease at Massachusetts General Hospital. Outside of work he likes to be active, rock climb, and nerd out on all things outer space.

Nicole K, BS

Simulation Specialist

Nicole joined the STRATUS team as a simulation specialist in 2023. Coming from a background in biological sciences and sociology, she is interested in emergency medicine and medical simulation. As a sim specialist, Nicole appreciates being a jack of all trades and believes in learning by doing. She values providing a safe environment for healthcare professionals to gain experience without risk. She finds pleasure in being in nature and creating.

Victoria Lesser, BS, NREMT

Simulation Specialist

Victoria joined the STRATUS team as a simulation specialist in 2024. She graduated from Brandeis University with a Bachelor of Science in Health: Science, Society, and Policy and Biology. She has two years of experience working as an emergency medical technician and hopes to pursue a career as an emergency medicine physician. She is very excited to join the STRATUS team and learn more about the role of simulation in medicine. Outside of work, she loves being active outside and cooking.


Roger D. Dias, MD, MBA, PhD

Director of Research & Innovation |
Assistant Professor of Emergency Medicine, Harvard Medical School

Dr. Roger Dias is a physician-scientist. His research focuses on the application of cutting-edge technologies, such as artificial intelligence, machine learning, wearable sensors, digital biomarkers, and extended reality (XR), to assess and enhance clinicians’ performance and improve patient safety in a variety of fields, including emergency medicine, critical care, surgery and space medicine. Dr. Dias’s research is funded by the NIH, AHRQ, NASA, and DoD.

Dr. Dias was trained in Internal Medicine and Emergency Medicine at the University of Sao Paulo Medical School in Brazil and earned a PhD in Medical Sciences and an MBA in Hospital and Health System Administration. He completed a postdoctoral research fellowship at Harvard Medical School, developing research in simulation, human factors, non-technical skills, wearable sensors, and machine learning. Dr. Dias leads the Human Factors and Cognitive Engineering Lab at STRATUS.

Mahdi Ebnali

Ryan Harari, PhD

Research Scientist |
Instructor, Harvard Medical School

Dr. Ryan Harari is a Research Scientist and faculty member at the Department of Emergency Medicine, Mass General Brigham, and an Instructor at Harvard Medical School. With a background in Systems Engineering, Computer Sciences, and Human Factors, Dr. Harari has developed extensive and multidisciplinary skillsets in tackling scientific problems within a variety of large-scale and federally funded research projects funded by the NSF, NASA, DoT, DoD, and NIH. Dr. Harari leverages his expertise in cognitive engineering, augmented and virtual reality development, machine learning, and sensing technologies to augment clinical capabilities and care quality in complex individual and team-based activities.

Paulo Borges

Paulo Borges MD, MSc, PhD

Research Fellow

Dr. Paulo Borges attended medical school at Universidade de Pernambuco (UPE) in Brazil. After completing a general surgery residency and a pediatric surgery clinical fellowship, he earned a master’s degree in Children’s Health from Universidade Federal de Pernambuco (UFPE) and was trained in abdominal solid organs transplant. He earned a PhD in Medical Sciences at Instituto de Medicina Integral Professor Fernando Figueira (IMIP) where he was a practicing emergency surgeon and head of the Pediatric Surgery Department. Dr. Borges has explored different fields of research including pediatric solid organ transplant at Boston Children’s Hospital and Neurosurgery Oncology at Brigham and Women’s Hospital in Boston as a postdoctoral fellow.


Goutham Chadalla Manjunath, MS

Research Assistant II

Goutham Chadalla Manjunath holds a Master’s degree in Computer Science and Engineering from the University at Buffalo, New York. With a strong foundation in software development and database management, he has contributed significantly to various projects focused on leveraging Artificial Intelligence to optimize database management systems. His expertise lies in developing cutting-edge applications that streamline data management and retrieval processes using advanced AI and Machine Learning technologies. As a Research Assistant II at Brigham and Women’s Hospital/Harvard Medical School, Goutham is devoted to enhancing his research capabilities and applying his technical expertise to tackle complex challenges in healthcare and medical education.

Robson Jaques Verly, PhD

Research Fellow

Dr. Robson Jaques Verly received a PhD in Space Geophysics from the National Institute for Space Research in Brazil. His previous research experience includes remote sensing, virtual/immersive reality applications, augmented reality, and artificial intelligence. As a software developer, Dr. Verly has created several applications to solve problems in the fields of automation, sensor integration, data analysis, solution optimization, cloud computing, web applications, cross-platform applications, and learning systems. During the Brigham and Women’s Hospital/Harvard Medical School postdoc fellowship, he aims to further develop his research and leadership skills and use his technical knowledge to solve complex problems in healthcare and medical education.

Assistant Directors

Matthew DiFrancesco, MD
Assistant Director for Medicine – Residency

Tanzeema Hossain, MD
Assistant Director for Pediatric Newborn Medicine

Pardon Kenney, MD
Assistant Director for Surgery

Suzanne Klainer, MD
Assistant Director for Anesthesia

David Meguerdichian, MD
Assistant Director for Emergency Medicine – Residency

Michael Muto, MD
Assistant Director for OB/GYN

Helen Shields, MD
Assistant Director for Medicine – Students

Douglas S. Smink, MD, MPH
Assistant Director for Surgery

Stacy Smith, MD
Assistant Director for Radiology

Michael Weaver, MD
Assistant Director for Orthopaedics

Kathleen Wittels, MD
Assistant Director for Emergency Medicine – Students

Advisory Council

Erik Alexander, MD, FACP
Vice President of Education, Brigham and Women’s Hospital
Executive Director, Brigham Education Institute
Associate Dean, BWH Undergraduate Medical Education & Harvard Medical School

Helen Christou, MD
Elizabeth G. Nabel Distinguished Chair in Pediatric Newborn Medicine
Vice Chair, Department of Pediatrics and Chief of Newborn Medicine
Associate Professor of Pediatrics, Harvard Medical School

Sonali Desai, MD, MPH
Director of Quality, Department of Medicine, Brigham and Women’s Hospital
Director of Ambulatory Patient Safety, Brigham and Women’s Hospital

Matthew DiFrancesco, MD
Internal Medicine Hospitalist, Brigham and Women’s Hospital
Assistant Program Director, Brigham and Women’s Hospital Internal Medicine Residency
Medical Director, Brigham and Women’s Hospital PA Fellowship

George Dyer, MD
Attending Surgeon, Department of Orthopaedics, Brigham and Women’s Hospital

Caroline Houde, PhD
Executive Director, Emergency Medicine, Brigham and Women’s Hospital

Stephanie Kayden, MD, MPH
Deputy Chair of Emergency Medicine, Brigham and Women’s Hospital

Pardon R. Kenney MD, MMsc, FACS
Staff Surgeon, Brigham and Women’s Faulkner Hospital

Pamela Linzer, PhD, RN, MSN
Executive Director, Center for Nursing Excellence and Medicine, Brigham and Women’s Hospital

Mallika Mendu, MD, MBA
Associate Chief Medical Officer and Vice President of Medical Affairs, Brigham and Women’s Hospital

Brendan Russell, MBA
Enterprise Vice President of Emergency Medicine, Mass General Brigham

Douglas S. Smink, MD
Chief of Surgery, Brigham and Women’s Faulkner Hospital
Vice Chair of Education, Department of Surgery, Brigham and Women’s Hospital

Michael VanRooyen, MD, MPH, FACEP
Chair of Emergency Medicine, Mass General Brigham