Board of Directors

Governance Committee

President  (Term 2022 – 2023)

Esther Oh, MD, PhD

Dr. Oh is the Sarah Miller Coulson Human Aging Project Scholar and an Associate Professor in the Division of Geriatric Medicine and Gerontology at the Johns Hopkins University School of Medicine. Her overarching clinical and research interests are in the field of Alzheimer’s disease (AD) and its interrelationship with delirium. Her work is anchored in building innovative research communities to spur non-siloed, horizontal discussion and networking at all levels and stages of the research and innovation process. Her expertise allows her to link efforts across biology of healthy aging, clinical care, education, and health systems spectrum. 

Immediate Past President (Term: 2021-2022)

Clay Angel, MD

Dr. Clay Angel is a board- certified IM hospitalist with Kaiser Permanente in Northern California. In 2009, Dr. Angel started and co-led a multidisciplinary team, based in the medical surgical setting, which has worked to improve, manage, and ultimately prevent delirium in fragile elderly inpatients. This work continued to grow and expand, leading to implementation of a standardized, regional approach to delirium management across KP Northern California. His interest in implementation science and national best practices around delirium management in the hospital setting led to continued and increasing involvement in ADS, of which has been a member since 2013.

President Elect (Term: 2021-2022)

Noll Campbell, PharmD, MS

Noll L. Campbell, PharmD, MS is an Associate Professor in the College of Pharmacy at Purdue University. Dr. Campbell received his PharmD degree from Butler University, completed a pharmacy practice residency at St. Vincent Hospital in Indianapolis, then a geriatric pharmacotherapy residency at the University of North Carolina in Chapel Hill, NC. As an investigator with the Indiana University Center for Aging Research and the Regenstrief Institute, Inc., his research focuses on the effect of medications on the prevention and treatment of delirium and dementia. His research is funded by the NIH, AHRQ, and industry.


Mark Oldham, MD

Dr. Mark Oldham, MD, is an Assistant Professor of Psychiatry at the University of Rochester Medical Center who completed a fellowship in consultation-liaison psychiatry at Yale. His clinical work centers on team-based models of proactive psychiatric consultation. He also serves as a deputy editor of the Journal of the Academy of Consultation-Liaison Psychiatry. Dr. Oldham is supported by a K23 award from the NIA with a focus on the relationship between sleep/wake disturbance and both delirium and Alzheimer’s disease and related dementias. He aims to refine the field’s model of delirium and integrate clinical phenotypes with the various underlying encephalopathies.


Leanne Boehm, PhD, RN, ACNS-BC, FCCM

Dr. Boehm focuses her research on strategies to improve outcomes for the critically ill. Her primary research interests include exploration of interventions to improve interprofessional protocol implementation, adherence, and fidelity in the acute care setting; implementation of ICU peer support and diary programs with exploration of the associated patient, staff, and organizational outcomes; and exploration of interventions to reduce the burden of Post-Intensive Care Syndrome.

Board Members

Roberta Esteves Vieira de Castro, MD, MSC, PHD

Roberta Esteves Vieira de Castro is a Brazilian pediatric intensivist at the Rio de Janeiro State University, and has MS in Maternal and Child Health and PhD in Medicine. She is a member of the Brazilian Network of Research in Pediatrics from D’Or Institute for Research and Education in Rio de Janeiro, and a columnist in a Brazilian electronic medical portal.  Her research focus is sedation, analgesia, and delirium in critically ill children. She received the Twitter award from iDelirium for the World Delirium Awareness Day and coordinates the Latin American Delirium Interest Group.

Babar A. Khan, MD

Dr. Khan’s research is at the critical intersection of acute illness and aging brain. He is a patient oriented-translational/clinical researcher with a principal focus on developing a biomarker profile among delirious patients in the intensive care unit to predict their long term cognitive, physical and psychological morbidity. In addition, he directs the “Critical Care Recovery Center- CCRC”, located at Eskenazi Health Services. CCRC is an innovative center balancing research and clinical services that sought to implement the advances in the science of “Post-ICU syndrome” for expeditious recovery and rehabilitation of ICU survivors.

Sikander Khan, MS, DO

Dr. Sikandar Khan (@ICUKhan) is an Assistant Professor in the Division of Pulmonary and Critical Care at Indiana University School of Medicine, and a Physician Scientist at the Indiana University Center for Aging Research. Through his work as Director of the IU Health ICU Survivor Center, he provides clinical care for survivors of delirium and critical illness. His mission is to improve brain care for patients during and after the ICU. His research is focused on the nexus of acute respiratory failure, ICU delirium, and cognitive and physical function outcomes in ICU survivors.

Heidi Lindroth, PhD, RN

Dr. Heidi Lindroth is a practicing ICU clinician-nurse scientist and agile implementation scientist at Mayo Clinic. Her vision is a world without delirium. Her passion for improving delirium care stems from witnessing first-hand the terror and lasting detrimental impact of delirium. Scientific focus areas include the codesigning of technology with patients, care partners, and the healthcare team to reduce delirium severity using data science techniques such as artificial intelligence. Dr. Lindroth joined the American Delirium Society in 2016, co-chairs the social media certificate program, and is thrilled to be a member of the Board of Directors. Twitter ~ @minipixie26 

Jose Maldonado, MD, FAPM

Dr. Maldonado is an Associate Professor of Psychiatry, and by courtesy of Medicine, Surgery and Emergency Medicine at Stanford University School of Medicine and Associate Professor of Law at Stanford School of Law. He serves as the Chief of the Medical and Forensic Psychiatry Section, and Medical Director of the Psychosomatic Medicine Service. In September 2003 Dr Maldonado joined the faculty of Stanford’s Center for Biomedical Ethics and served as co-Chair of the Biomedical Ethics committee at Stanford Medical center, for ten years ending in 2009. Dr. Maldonado is director of the Psychiatry & the Law course at Stanford Law School.

Kerri Maya, PhD(c), MSL, RN, NPD-BC

Kerri Maya, MSL, RN is the Manager of Continuing Interprofessional Development for the Sutter Healthcare System. She received her master’s degree in Nursing Science and Healthcare Leadership from the University of California, Davis and is currently completing her PhD there in the same field of study. As an educator, her primary foci include care of critically ill adults and hospital-wide delirium program implementation. As a researcher, her primary interests include utilizing educational best practices to improve team performance in the delivery of high-quality delirium care as well as exploration of interventions intended to mitigate delirium-associated distress for survivors and families.

Aaron Pinkhasov, MD, DFAPA, FACLP

Dr. Aaron Pinkhasov completed Combined Residency Program in Internal Medicine and Psychiatry at SUNY-Downstate in Brooklyn, New York in 2000.He lead the Psychiatry Department at Kingsbrook Jewish Medical Center, from 2001 until 2014, when he became Chair of the Department of Behavioral Health at NYU Winthrop Hospital. Dr. Pinkhasov is a Clinical Professor of Psychiatry at NYU Langone School of Medicine. He is a Fellow of the American Psychiatric Association, member of the Academy of Consultation and Liaison Psychiatry and the Association of Medicine and Psychiatry.

His areas of expertise includes the impact of integration of medical and mental health on health outcomes and hospital economics.

James Rudolph, MD, SM

Dr. Rudolph is the Director of the Center of Innovation in Long Term Services and Supports, Providence VAMC, Providence, RI. He directs a health services research center focused on preserving the health and independence of older people.  He is a clinician, researcher, and educator and has an appointment of Professor of Medicine and Health Policy and Practice at Brown University. Driven by his clinical work, his research assesses thinking and recovery after hospitalization and the impact on function. In his spare time, he plans ADS conferences, works incessantly, and pursues his life goal to run a half-marathon in every state.

Heidi Smith, MD, MSC, MSCI

Dr. Heidi AB Smith is a pediatric cardiac anesthesiologist and intensivist at Vanderbilt University Medical Center with a focus on delirium and neurocognitive recovery in infants and children in the setting of critical illness. She has developed highly valid and reliable delirium screening tools adapted appropriately for the developmental variances from the neonatal period to adolescence. She has served as Chair for the Society of Critical Care Medicine ICU Liberation Committee and Pediatric Sedation Taskforce. Dr. Smith founded the ADS-supported Pediatric Special Interest Group (Mini-MINDS) and serves as the Board of Director liaison for Mini-MINDS and the ADS Membership Committee.  

Christine Waszynski, DNP, APRN, GNP-BC, FAAN

Christine Waszynski DNP, APRN, GNP-BC FAAN is a geriatric nurse practitioner who has spent her career working with older adults and overseeing evidence-based quality projects to promote optimum care across care setting for this population. She has worked collaboratively with organizations such as the Institute for Healthcare Improvement and the John A. Hartford Foundation to implement nationally known programs such as Age Friendly Health Systems and Nurses Improving Care for Health-system Elders (NICHE). Her main area of interest for her clinical work and research has been on the use of non-pharmacological interventions for delirium prevention and mitigation.