Leadership Team

Fred E Shapiro, D.O.
Richard D. Urman MD, MBA
Karen (Kate) T. Isselbacher, MD
Michael Green
Jesse M Ehrenfeld, M.D., M.P.H.
Noah Rosenberg, MD.
Drew Volpe, BA 
Nathan Punwani, BA, MPH
Sean Gallagher, MD
John Stenglein, MD
Rebecca Grammer, BA

Fred E. Shapiro, D.O. Dr. Shapiro is the President and Co-Founder of ISOBS. He is a staff anesthesiologist at Beth Israel Deaconess Medical Center and Assistant Professor of Anesthesia at Harvard Medical School (HMS). He received his medical degree at The University of Health Sciences College of Osteopathic Medicine Kansas City, MO and completed anesthesia residency at Boston University. Academically and clinically, he enjoys a strong national reputation in the field of office-based anesthesia (OBA). In addition to writing a book, The Manual of Office Based Anesthesia Procedures, Lippincott, Williams and Wilkins in 2007, Dr. Shapiro developed first HMS OBA review course in 2007, and designed a curriculum for teaching office safety presented at the HMS Academy. He is Clinical Care Section editor of the American Society of Anesthesiologists (ASA) and Society for Ambulatory Anesthesia (SAMBA) Task Force that produced “Office Based Anesthesia: Considerations for Setting Up and Maintaining a Safe Office Anesthesia Environment” – a comprehensive manual published in 2008. He also recently wrote an article, “Safe Anesthesia for Ambulatory Cosmetic Surgery” in Current Opinion in Anaesthesiology.

Dr. Shapiro is Vice-Chair of the SAMBA Committee on Education, a Delegate to the ASA House of Delegates, President-Elect of the Massachusetts Society of Anesthesiologists (MSA), and Chair of MSA Public Education committee. Dr. Shapiro’s recent appointments to ASA Committees on Standards and Practice Parameters, Governmental Affairs, and Ambulatory Surgical Services support his recognition as an expert and leader in the field of office-based anesthesia. This, combined with his clinical expertise, innovation, educational and administrative experiences will enable him to advance his ultimate goal: improving patient safety.

Richard D. Urman, MD, MBA Dr. Urman is the Director and Co-Founder of ISOBS. He is a staff anesthesiologist and director of procedural sedation management at the Brigham and Women’s Hospital in Boston, MA and Assistant Professor of Anesthesia at Harvard Medical School.

Dr. Urman received his MD and MBA degrees from Harvard University, and completed a residency in anesthesia. Dr. Urman’s specialty is ambulatory anesthesia, and his research interests are in patient safety, novel anesthetic drugs, and operating room efficiency. His other interests are medical education and curriculum design, and he was recently named the Morgan-Zinsser Fellow of the Harvard Medical School Academy.

Dr. Urman is the co-author of Pocket Anesthesia, Lippincott, Williams and Wilkins Press and two other forthcoming books: Essential Clinical Anesthesia, Cambridge University Press and Anesthesiology Student Survival Guide, Springer Press.

On the national level, Dr. Urman currently serves on various committees of the American Society of Anesthesiologists (ASA), Society for Ambulatory Anesthesia (SAMBA), and the Massachusetts Society of Anesthesiologists (MSA). He is Chair of the MSA Publications Committee and a Delegate to the ASA House of Delegates.

Dr. Urman has done nonprofit strategy consulting work as part of Harvard Business School’s Volunteer Consulting Organization (VCO) and Community Action Partners (CAP).


Dr. Karen (Kate) T. Isselbacher currently serves as the Institute’s Chief Academic Officer. She received AB degree with honors from Harvard College in 1981 and MD from Boston University School of Medicine in 1985. Dr. Isselbacher completed her medical internship and residency in 1989 at Mount Auburn Hospital, a Harvard teaching hospital in Cambridge, MA. She is a diplomate of the American Board of Internal Medicine.

She practiced primary care medicine and was on the active medical staff at Mount Auburn from 1991 until 2001, when she joined the department of general internal medicine at Brigham and Women’s Hospital in Boston. At the Brigham, she provided primary care through 2006 in a busy affiliated group practice located in Newton Corner. She took sabbatical leave in 2007.

Dr. Isselbacher has been a member of the Harvard Medical School faculty since 1991, where she has enjoyed mentoring students and resident doctors. She has a special interest in woman’s health, but enthusiastically cares for both men and women.  She develops a strong connection with patients, many of whom speak of the comfort, security and trust that they derive from her care.

Dr. Isselbacher is pleased that her passion for and satisfaction from providing excellent medical care continue to grow after 20 years of practice. In 2008 she enthusiastically joined Dr. Kanner as his associate in Orchard Health Care, a membership practice dedicated to personalized primary care medicine and which offers each individual excellent preventive care and education as well as illness interventions.

Michael Green 
As the Chief Operating Officer, Mr. Michael L. Green is responsible for daily operations of ISOBS. He brings a wealth of experience in the private sector, specifically in sales, logistics, and marketing.

He is currently responsible for all revenue generation at a school supply distribution company and serves as Treasurer on the GEANCO Foundation’s Board of Directors. He trained and worked as an analyst in the Healthcare Specialty Banking Group at FleetBoston Financial, and has also worked with health care technology start-up companies.

Michael graduated from Harvard in 2001 with a degree in Economics.




Jesse M Ehrenfeld, M.D., M.P.H. is the Director of Research at ISOBS. He is a staff anesthesiologist at the Massachusetts General Hospital and a member of the faculty at Harvard Medical School (HMS). He received his medical degree at The University of Chicago Pritzker School of Medicine, his Masters in Public Health from Harvard University, and completed anesthesia residency at the Massachusetts General Hospital.

Dr. Ehrenfeld’s research in the area of continuous quality improvement and perioperative patient safety has been supported by the National Institutes of Health and the Foundation for Anesthesia Education and Research. He serves as Director of the country’s only fellowship in anesthesia informatics and directs the Anesthesia Clinical Research Center at the Massachusetts General Hospital. He is the author of several books, including “Pocket Anesthesia”, “Anesthesia: A Cased Based Survival Guide”, and “The MGH Textbook of Anesthetic Equipment” and has published extensively in the medical literature. Dr. Ehrenfeld is Vice-Speaker and a member of the Board of Trustees of the Massachusetts Medical Society, a Delegate to the ASA House of Delegates, Vice-President of the Massachusetts Society of Anesthesiologists (MSA), and Secretary of the Suffolk District Medical Society. Dr. Ehrenfeld also serves on the ASA Committee on Standards and Practice Parameters.


Noah Rosenberg, MD is the Chief Information Officer at ISOBS. He is a resident in the Department of Family & Community Medicine at the University of Massachusetts Memorial Medical Center (UMMC), Worcester, MA. He graduated Alpha Omega Alpha from the University of Massachusetts Medical School in 2012. In 2011, he won a Young Physicians National Patient Safety Award. He has been active on a number of institutional and national committees, including his role as immediate past Vice-Chair of the AMA-MSS Committee on Economics and Quality in Medicine, as a member of the UMMC Ethics and Treatment Issues Committee, and as a member of the Membership Advisory Panel for the American College of Physician Executives. He was a 2008 recipient of a grant from the Clinton Global Initiative for a community-based anti-obesity program.