John W. Baddley, MD, MSPH

Professor of Medicine in the Division of Infectious Diseases at the Johns Hopkins University School of Medicine

John W. Baddley, MD, MSPH, is a Professor of Medicine in the Division of Infectious Diseases at the Johns Hopkins University School of Medicine. He serves as Director of Transplant and Oncology Infectious Diseases and as Co-Director of the Transplant Research Center. Dr. Baddley serves as President of the Transplantation Society’s Transplant Infectious Diseases Section and as Chairman of the ID Professional Community of the International Society for Heart and Lung transplantation. Dr. Baddley’s clinical work focuses on management of infections in the immunocompromised host. Ongoing areas of research include clinical trials of antifungal therapies and the epidemiology of fungal infections. Dr. Baddley currently serves on the editorial boards of Transplant Infectious Diseases and Open Forum Infectious Diseases.

Emily A. Blumberg, MD

Professor of Medicine
Director, Transplant Infectious Diseases
Program Director Infectious Diseases Fellowship
Perelman School of Medicine at the University of Pennsylvania

Emily Blumberg, MD, is a transplant infectious diseases specialist and the director of the Transplant Infectious Diseases Program and the Infectious Diseases Fellowship at the Perelman School of Medicine at the University of Pennsylvania in Philadelphia, PA. Dr Blumberg's academic interests focus on infectious disease complications in transplant recipients and candidates. She is especially interested in donor derived infections and viral infections, including HIV, CMV, HCV, and COVID-19. Dr Blumberg is a Deputy Editor for the American Journal of Transplantation and a Section Editor for UpToDate®. She has served as president of AST (American Society of Transplantation) and just completed her term on the Organ Procurement and Transplantation Network Board of Directors.

Jay A. Fishman, M.D.

Professor of Medicine, Harvard Medical School

Associate Director, MGH Transplantation Center
Director, Transplant Infectious Disease & Compromised Host Program
Massachusetts General Hospital

Jay A. Fishman, M.D. is Professor of Medicine at Harvard Medical School (HMS), Director of the Transplant Infectious Diseases and Compromised Host Program at Massachusetts General Hospital (MGH), and Associate Director of the MGH Transplant Center. Dr. Fishman received his MD from Johns Hopkins University School of Medicine, internal medicine training and Infectious Disease Fellowship at MGH, and postdoctoral Fellowships in Molecular Biology and Genetics at MGH and HMS. Dr. Fishman established the Transplant and Immunocompromised Host Program of the MGH, the first worldwide. He defined use of ganciclovir for CMV infection in transplantation, molecular biology of Pneumocystis and porcine endogenous retrovirus and performed the first studies of porcine cytomegalovirus (PCMV) in primate models of xenotransplantation. He is Fellow of the American College of Physicians, American Society of Transplantation, and Infectious Disease Society of America. He is Past-President of the American Society of Transplantation, President-elect of the International Xenotransplantation Association, and Councilor of the Transplantation Society. He has received career achievement awards from AST and TTS.

Daniel Kaul, MD (Transplant Infectious Disease)

Professor Internal Medicine, University of Michigan
Director Transplant Infectious Disease
Program Director ID Fellowship Program

Daniel Kaul, MD is a professor of internal medicine in the division of infectious disease and the University of Michigan. He directs the transplant infectious disease service as well as the infectious disease fellowship training program. He is on planning committee for the American Transplant Congress, and serves as Associate Editor for the New England Journal of Medicine Journal Watch ID and on the editorial board for Transplant Infectious Disease.

Camille Nelson Kotton, MD, FIDSA, FAST

Clinical Director, Transplant and Immunocompromised Host Infectious Diseases Program in the Infectious Diseases Division at Massachusetts General Hospital, and associate professor of medicine at Harvard Medical School

Camille Nelson Kotton, MD, FIDSA, FAST, is the clinical director of the Transplant and Immunocompromised Host Infectious Diseases Program in the Infectious Diseases Division at Massachusetts General Hospital, and associate professor of medicine at Harvard Medical School in Boston, MA. Dr Kotton’s clinical interests include cytomegalovirus, vaccines, donor-derived infections, zoonoses, and travel and tropical medicine in the transplant setting. She was a member of the CDC Advisory Committee on Immunization Practices (ACIP) 2020-2024 and continues to serve as a consultant. Dr Kotton was the chair of The Infectious Disease Community of Practice of The American Society of Transplantation. She has also served as the president of The Transplant Infectious Disease Section of The Transplantation Society. Highlights of her work include the development of 4 versions of the international guidelines on CMV management after solid organ transplant and updated international guidelines on BK management, all published in Transplantation. She is the first transplant infectious disease specialist to be on the executive committee of The Transplantation Society. 

Tony Mazzulli, MD, FRCPC, FACP

Chaya Shwaartz MD

Assistant Professor of Surgery
Abdominal Transplant & HPB Surgical Oncology
Director, Abdominal Transplant & HPB Fellowship
Toronto General Hospital, University Health Network

Dr. Chaya Shwaartz is an Assistant Professor in the Faculty of Medicine at the University of Toronto and a staff surgeon in the Division of General Surgery at the University Health Network. She earned her medical degree from Tel-Aviv University, Israel, followed by a general surgery residency at Sheba Medical Center, Israel, and Mount Sinai Hospital in New York. Dr. Shwaartz then pursued a clinical fellowship in Hepato-Pancreato-Biliary (HPB) surgery at Sheba Medical Center, before completing a highly specialized fellowship in Abdominal Transplant and HPB Surgical Oncology at the University of Toronto, Toronto General Hospital.

Her clinical expertise lies in minimally invasive HPB surgery including robotic surgery. As the surgical lead of the HPB Center, she oversees multidisciplinary efforts in surgical innovation, research, and education. Dr. Shwaartz is also the Program Director for the Abdominal Transplant and HPB Surgery Fellowships at the University of Toronto and the Director of postgraduate surgical education at UHN, reflecting her passion for surgical education. She has been recognized with multiple awards for her excellence in surgical education.

Carson Lo MD (Infectious Diseases), FRCPC, MMEd Assistant Professor, Division of Infectious Diseases, Department of Medicine, McMaster University

Dr. Carson Lo is an assistant professor at the Division of Infectious Diseases, McMaster University, and clinical associate for Division of Transplant Infectious Diseases at University Health Network.

Dr. Lo obtained his medical degree at the University of Toronto, postgraduate training in Internal Medicine at Queen's University and in Infectious Diseases at McMaster University, and fellowship in Transplant/Oncology Infectious Diseases at the Ajmera Transplant Centre, UHN/University of Toronto.

Dr. Lo has a Masters of Medical Education from the University of Dundee. His interest is in medical education in Transplant/Oncology Infectious Diseases. He is also involved in clinical research and active member both the CTTC Infectious Diseases Committee and Canadian Society of Transplantation Infectious Diseases Group.

Jonathan Maltzman MD-PhD, FASN, FAST

Associate Professor of Medicine
Director of Basic Research, Nephrology
Division of Nephrology
Stanford University School of Medicine

Dr. Jonathan Maltzman is a physician-scientist and transplant nephrologist at Stanford University and the Veterans Administration Palo Alto Health Care System. He graduated with a BS in Biology from the Massachusetts Institute of Technology then completed an MD and a PhD in Immunology from the University of Pennsylvania School of Medicine in 1997. He trained in Internal Medicine at the University of Chicago. He then moved back to Penn to complete his nephrology fellowship and post-doctoral fellowship. Dr Maltzman joined the faculty at Penn in 2005. In 2015, he was recruited to Stanford University and the Palo Alto VA Medical Center where he is currently Associate Professor of Medicine and Director of Basic Research in the Nephrology Division.

Dr. Maltzman’s academic interest is focused on understanding immune responses in transplantation. His laboratory has been a pioneer in the use of conditional gene expression to study signal transduction in memory T lymphocytes and regulatory T cells. He is federally funded to study the interplay between infection and transplantation with ongoing projects to understand the T responses to CMV and BK virus in solid organ transplant recipients. He has co-authored numerous original scientific articles, editorials, review articles and book chapters. He has received funding from the National Institutes of Health, Veterans Administration, American Heart Association, and the American Society of Transplantation. Dr Maltzman is an elected member of the American Society of Clinical Investigation and a previous recipient of the AST Basic Science Career Development and Basic Science Investigator Awards.

Ricardo M. La Hoz MD, FACP, FAST, FIDSA

Director, Transplant Infectious Diseases
Program Director, Transplant Infectious Diseases Fellowship
Medical Director, Transplant Services Center
Associate Professor of Internal Medicine
Division of Infectious Diseases and Geographic Medicine
UT Southwestern Medical Center

Ricardo M. La Hoz, MD, FACP, FAST, FIDSA, is an Associate Professor at UT Southwestern Medical Center in the Division of Infectious Diseases and Geographic Medicine. He serves as the Director of Transplant Infectious Diseases, Transplant Infectious Diseases Program Director, and Medical Director of Transplant Services Center. He chaired the OPTN Ad Hoc Disease Transmission Advisory Committee from 2020-2022 and, since 2024 Chairs the American Society of Transplantation Infectious Diseases Community of Practice.

Dima Kabbani MD, MSc

Assistant Professor, Department of Medicine, University of Alberta

Dr. Dima Kabbani is an Assistant Professor in the division of infectious diseases at the University of Alberta. She is the transplant ID fellowship program director and a member of the SOT Area of Focused Competence (AFC) Committee at the University of Alberta.

She is engaged in national and international transplant committees; she is the advocacy lead at the Canadian Society of Transplantation, TID working group; and a member of the Canadian technical Committee on the Safety of cells, tissues, and organs for transplantation. Her research interests include the epidemiology and outcomes of infections in organ transplant recipients.

Hannah Imlay MD, MSc

Associate Professor of Medicine, Division of Infectious Diseases
University of Utah health, Salt Lake City Veterans Affairs Hospital
Director, Immunocompromised Antimicrobial Stewardship

Hannah Imlay, MD, MSc, is an Associate Professor of Medicine at the University of Utah School of Medicine and the Director of Immunocompromised Antimicrobial Stewardship at University of Utah Health and the Salt Lake City Veterans Affairs System. Her clinical and research interests focus on infections and antimicrobial stewardship in immunocompromised hosts, in particular organ transplant recipients and patients undergoing chemotherapy and stem cell transplantation.

Sasan Hosseini MD, MSc, MPH

Associate Professor of Medicine
Division of Infectious Diseases, Fellowship Director
Department of Medicine, University of Toronto
University Health Network
CTTC-Infectious Diseases Working Committee, Co-Lead
ICES, Adjunct Scientist

Sasan Hosseini is an Associate Professor of Medicine at the University of Toronto, a Transplant Infectious Diseases specialist at the Ajmera Transplant Centre, and an ICES Adjunct Scientist. His research focuses on infections in immunocompromised hosts, including solid organ and stem cell transplant recipients. He also serves as Fellowship Director for Infectious Diseases and leads the Infectious Diseases Working Committee of Cell Therapy Transplant Canada (CTTC).

Me-Linh Luong MD. FRCPC

Transplant Infectious Disease and Medical Microbiologist
CHUM (Centre Hospitalier de l'Université de Montréal)
Associate Professor, University of Montreal

Me-Linh Luong, MD is an associate professor at the University of Montreal. Dr. Luong completed her MD training at the University of Sherbrooke, her residency in Infectious Diseases and Medical Microbiology at McGill University followed by specialized training in Transplant Infectious Diseases at the University of Toronto.

Dr. Luong directs the CHUM Transplant Infectious Diseases Service, which provides expert care in the prevention and management of infectious diseases in organ transplant donors and recipients. Her academic interests are focused on the epidemiology and outcomes of infections in organ transplant recipients with a focus on fungal infections of immunocompromised hosts.

Marian G Michaels MD, MPH, FAST

Professor Pediatrics and Surgery
University of Pittsburgh
UPMC Children’s Hospital of Pittsburgh
Pediatric Infectious Diseases

Dr. Marian Michaels is a Professor of Pediatrics and Surgery in the Division of Pediatric Infectious Diseases at the University of Pittsburgh, UPMC Children’s Hospital of Pittsburgh (CHP). She has worked in pediatric infectious diseases for over 30 years with her research and clinical work largely revolving around immunocompromised hosts with an emphasis on those undergoing transplantation. Dr Michaels has been an active member of the American Society of Transplantation (AST) all her professional career a Past Chair of OPTN/UNOS Ad Hoc Disease Transmission Advisory Committee (DTAC), and currently chairs the Pediatric Infectious Diseases Committee for the international Pediatric Transplant Association (IPTA) and is a member of the NIAID Transplant Data Safety Monitoring Committee.

Yoichiro Natori, M.D., M.P.H., FIDSA

Associate Professor of Clinical Medicine
Division of Infectious Diseases
University of Miami Miller School of Medicine

Medical Director of Solid Organ Transplant Infectious Diseases
Miami Transplant Institute
Jackson Health System

Dr. Natori was born in Japan and earned his medical degree from Nagoya University School of Medicine. He completed his residency and infectious disease fellowship at St. Luke's International Hospital in Tokyo, Japan, and subsequently completed a Transplant Infectious Disease fellowship at the University Health Network, University of Toronto. Currently, Dr. Natori serves as a faculty member in the Division of Infectious Diseases at the Department of Clinical Medicine, University of Miami Miller School of Medicine. He also holds the position of Medical Director of Solid Organ Transplant Infectious Diseases at the Miami Transplant Institute, Jackson Health System. In addition, he currently leads the Respiratory Virus Working Group within the American Society of Transplantation’s Infectious Disease Community of Practice.

Upton D. Allen O.Ont., CD, MBBS, MSc, FAAP, FRCPC, Hon FRCP (UK), FIDSA

Head, Division of Infectious Diseases
Interim Director, Transplant and Regenerative Medicine Centre
Bastable-Potts Chair, Infectious Diseases Research
Senior Associate Scientist, Research Institute
Professor of Paediatrics
The Hospital for Sick Children
University of Toronto

Upton D. Allen, CD, O.Ont, MBBS, MSc, FAAP, FRCPC, Hon FRCP (UK), FIDSA, FPIDS is a Professor of Paediatrics at the University of Toronto. He is Chief, Division of Infectious Diseases, Hospital for Sick Children (SickKids). He is interim director of the Transplant and Regenerative Medicine Centre, Hospital for Sick Children. Dr. Allen is a Senior Associate Scientist in the Research Institute, Hospital for Sick Children. His primary appointment is with the Division of Infectious Diseases, Department of Paediatrics at the Hospital for Sick Children. He is cross appointed as a professor in the Institute of Health Policy, Management and Evaluation, University of Toronto.

Dr. Allen received his medical degree from the University of the West Indies, Kingston, Jamaica. He received pediatric training at the Hospital for Sick Children, Toronto. He obtained further research training leading to a degree in Clinical Epidemiology (MSc) from McMaster University.

Dr. Allen is a past director of the Infectious Diseases Society of America and Fellow of the Society. He is a Fellow of the American Academy of Pediatrics, Fellow of the Royal College of Physicians and Surgeons of Canada and Fellow of the Royal College of Physicians (UK). He is a past Chair of the Infectious Diseases Specialty Training Committee, Royal College of Physicians and Surgeons of Canada (RCPSC). Past awards include the Clinical Science Established Investigator Award from the American Society of Transplantation. In 2018, he was awarded the Order of Ontario, which is the highest honor awarded by the province of Ontario, Canada. In 2020, he was recognized by Toronto Life Magazine as one of the top 50 most influential people in Toronto, Ontario. In 2021, he was honored with the appointment as Commander, Order of Distinction, Jamaica. Dr. Allen is a recipient of the African Canadian Achievement Award as well as the Harry Jerome Award. In 2023, Dr. Allen was a recipient of the University of Toronto President’s Impact Award for work done as a member of the Ontario COVID-19 Science Advisory Table for which he was a Co-Chair. The Ontario COVID-19 Science Advisory Table was a vital source of evidence-based analysis informing Ontario’s response to the COVID-19 pandemic.

In addition to being a general infectious diseases specialist, he is actively involved in clinical and research activities relating to immunocompromised patients, notably those who have undergone organ and stem cell transplantation as well as cancer therapies. He has a major clinical and research interest in Epstein-Barr virus-related post-transplant lymphoproliferative disorder (PTLD) as well as an interest in respiratory syncytial virus infections. Dr. Allen has had many academic and professional accomplishments. He has had numerous invited lectures internationally, visiting professorships, more than 350 scientific publications, scientific abstracts, several book chapters, and several peer-reviewed research grants.

Stephanie M. Pouch, MD, MS, FAST, FIDSA

Associate Professor of Medicine
Director, Transplant Infectious Diseases Emory University School of Medicine

Dr. Pouch received her M.D. from the Temple University Lewis Katz School of Medicine in 2007. She completed Internal Medicine internship and residency at the University of Chicago and served as a Chief Medical Resident at the John H. Stroger, Jr. Hospital of Cook County in Chicago. She then completed a fellowship in Infectious Diseases at Columbia University Medical Center and received a Master of Science in Biostatistics from the Columbia University Mailman School of Public Health. Dr. Pouch joined the faculty of Emory University School of Medicine in 2017, where she serves as the Director of Transplant Infectious Diseases. She is also Associate Medical Director of LifeLink of Georgia. Her clinical and research interests include donor evaluation and management, donor-derived infections, and the epidemiology and management of multidrug-resistant organisms in solid organ transplantation, including their impact on patient and graft outcomes. She currently serves as Chair of the Organ Procurement and Transplantation Network Disease Transmission Advisory Committee, Co-Chair of the American Society of Transplantation Infectious Diseases Community of Practice’s Donor Evaluation and Management Working Group, and Medical Advisor-Elect to the Association of Organ Procurement Organizations. She is also a North American Councilor for the Transplant Infectious Diseases Section of the Transplantation Society, a member of the European Society of Clinical Microbiology and Infectious Diseases (ESCMID) and ESCMID Study Group for Infections in Compromised Hosts (ESGICH), an Associate Editor of the Transplant Infectious Disease Journal, and is a previous Chair of the International Society for Heart & Lung Transplantation’s Infectious Diseases Professional Community.

Sarah Shalhoub, MBBS

Assistant Professor of Medicine
Division of Infectious Diseases
Western University

Sarah Shalhoub, MBBS is the clinical director of the Transplant Infectious Diseases service in the Infectious Diseases Division at London Health Sciences Center, and an Assistant Professor of Medicine at Western University, London, Ontario.

She is the director of the Transplant Infectious Diseases Fellowship program at the Multiorgan Transplant Department, London Health Sciences Center.

Her research interests include infection outcomes in solid organ transplant recipients and patients with hematological malignancies.

Miranda So, PharmD, MPH (Epidemiology), BScPhm

Manager, Antimicrobial Stewardship Program, University Health Network
Assistant Professor (Status-only), Leslie Dan Faculty of Pharmacy, University of Toronto
Clinician-Investigator, Toronto General Hospital Research Institute
Lecturer (Clinical-Honorary), Department of Infectious Diseases, Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, Australia

Dr. Miranda So is the Manager of the Antimicrobial Stewardship Program at the University Health Network in Toronto, Ontario. She is a Clinician-Investigator with the Toronto General Hospital Research Institute, an Assistant Professor (Status-Only) at the Leslie Dan Faculty of Pharmacy, University of Toronto, and a Clinical Lecturer (Honorary), Department of Infectious Diseases, Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, Australia. Miranda received her Bachelor of Science in Pharmacy (BScPhm) and Doctor of Pharmacy (PharmD) degrees from the University of Toronto. She received her Master of Public Health (MPH) degree in the field of Epidemiology from the Harvard T.H. Chan School of Public Health, Harvard University.

Dr. So’s clinical practice and research focus on antimicrobial stewardship in immunocompromised patients, specifically hematology-oncology patients, stem cell transplant and solid organ transplant recipients. In addition, her work examines the intersection of antimicrobial use, resistance, public health, and healthcare policy. Miranda is a frequently invited speaker at international, national and local conferences on infectious diseases topics. She has led or co-authored several reviews of literature, white paper, clinical guidance and guidelines on various topics related to infectious diseases and antimicrobial stewardship. Miranda is a member of the Society of Healthcare Epidemiology of America, American Society of Transplantation and International Society of Heart and Lung Transplant. She is also a member of the Canadian Society of Hospital Pharmacists (CSHP) and is the current Chair of the CSHP Foundation Education Grant Committee. Miranda is a distance runner and a knitter, though she has not quite mastered doing both simultaneously.