Dr. Carmen Castillo Gallego received her medical degree from the University of Granada, Faculty of Medicine, Spain, in 2000. After moving to the USA in 2003, she completed internal medicine residency training at the Icahn School of Medicine at Mount Sinai, followed by a geriatric medicine fellowship at the Jackson Memorial Hospital, University of Miami program in 2007. During her fellowship, she developed a passion for studying physical frailty in older adults. Upon returning to Spain in 2009, she initially joined the Geriatric Department at the Complejo Hospitalario of Toledo. There, she continued her research as an investigator in the Toledo Study for Healthy Aging, focusing on the determinants of frailty in individuals older than 65 years old. Dr. Castillo obtained her PhD in 2015 at the Universidad Autónoma of Madrid with a thesis about body composition and its influence on muscular strength and frailty. She is currently an attending physician at the Residencia de Mayores del Zapillo, Almería, under the Consejería de asuntos sociales, Juventud, Familias e Igualdad of the Junta de Andalucía. Dr. Castillo is involved in mentoring and teaching geriatric residents and has published several peer-reviewed papers on frailty in older adults.

Professor Duque is a geriatrician and clinical and biomedical researcher with a particular interest in osteoporosis, sarcopenia, and frailty in older persons. He holds the title of Professor of Medicine and is the Dr. Joseph Kaufmann Chair in Geriatric Medicine at the Faculty of Medicine and Health Sciences, McGill University. He is also the Principal Investigator of the Bone, Muscle, and Geroscience Group at the Research Institute of the McGill University Health Centre. Additionally, he serves as the Director of The Simone & Edouard Schouela RUISSS McGill Centre of Excellence for Sustainable Health of Seniors / Simone & Edouard Schouela RUISSS McGill Centre d'excellence pour la santé durable des aînés in Montreal, Canada. Professor Duque's research focuses on the interactions between bone, muscle, and fat, as well as the common mechanisms and pathways underlying the pathophysiology of osteoporosis, sarcopenia, osteosarcopenia, and frailty in older persons. He also investigates the effects of vitamin D, exercise, and nutrition on bone and muscle mass, while developing innovative diagnostic and therapeutic approaches for age-related musculoskeletal diseases. He serves as Editor-in-Chief of the Journal of Gerontology Biological Sciences (https://academic.oup.com/biomedgerontology) and is the Chair of the Canadian Translational Geroscience Network (www.geroscience.ca).

Dr. Espinoza is Professor in the Department of Medicine, Division of Geriatrics, Gerontology & Palliative Medicine, and a core faculty member in the Sam and Ann Barshop Institute for Longevity & Aging Studies at University of Texas Health Science Center at San Antonio. She is Co-Director and Leader of the Clinical Core of the San Antonio Claude D. Pepper Older Americans Independence Center. She is also Director of the Geriatrics Research, Education & Clinical Center at the South Texas Veterans Health Care System. Dr. Espinoza’s research focuses on understanding frailty and sarcopenia in older adults, through epidemiologic and clinical translational research, including clinical trials. She is an active clinician and cares for older veterans at Audie L. Murphy VA Hospital through outpatient geriatric evaluation and management, where she precepts medical students, residents, and fellows.

Dr. Ruiz is the Medical Director, Geriatric Medicine at Memorial Healthcare System, Hollywood, Florida. He is also a Clinical Affiliate Professor of Geriatric Medicine, Department of Medicine, Charles E. Schmidt College of Medicine at Florida Atlantic University, Boca Raton, Florida. Dr Ruiz is a fellowship-trained geriatrician, board certified in internal medicine, and geriatric medicine. He is the Chair of the American Board of Internal Medicine, Geriatric Medicine specialty board. He specializes in the care of older adults. Dr. Ruiz provides routine medical care and assistance with aging frailty; falls and mobility problems; polypharmacy; mild cognitive impairment and dementia. His research interests include the use of stem cell therapies for aging frailty and Alzheimer’s disease, the study of risk factors for frailty among older adults, dementia prevention and the development and implementation of care models that aim to reduce the burden of frailty and dementia in older adults. Dr. Ruiz has authored several peer-reviewed publications and book chapters in the fields of aging, longevity and geriatric medicine.

Tania Tello Rodríguez is a graduate of the National University of San Marcos, Lima, Perú (1995-2002). She completed a geriatric medicine residency (2005-2009) followed by a master’s degree in Geriatrics and Gerontology (2009-2010) at the Cayetano Heredia Peruvian University. Since 2009, Dr. Tello has worked as an attending geriatrician and faculty member at the Cayetano Heredia University Hospital in Lima-Perú, reaching the academic rank of Associate Professor and becoming Director of the Gerontological Institute at the Cayetano Heredia Peruvian University, Faculty of Medicine (2011-current). Dr. Tello is also coordinator of the master’s degree program in Geriatrics and Gerontology at the same University. She is an active member and Past President (2017-2019) of the Geriatrics Peruvian Society, member of the Latin American Academy of Medicine for Older Adults (ALMA), member of the Older Adult Stage Experts Committee and the Consultative Committee of Immunizations, Health Ministry of Perú (2017-current) where she lends her expertise on aging issues to these Government institutions. Dr. Tello is a qualified researcher of the National Council of Science and Technology (CONCYTEC) “María Rostworowski I” in Perú. She has published several articles and abstracts in national and international journals and national books about frailty, sarcopenia, gait speed, multi-morbidity, chronic diseases, and immunosenescence.

Dr. Theou is the Canada Research Chair in Physical Activity, Mobility, and Healthy Aging. She is an Associate Professor of Physiotherapy and Geriatric Medicine at Dalhousie University in Halifax, Nova Scotia, Canada. She is also an Affiliated Scientist of Geriatric Medicine with the Nova Scotia Health and an Adjunct Senior Lecturer of Medicine with the University of Adelaide in Australia. She obtained her Bachelor of Science in Physical Education and Sports Sciences at Aristotle University in Greece, Master of Science in Gerokinesiology from the California State University in Fullerton, and PhD in Health and Rehabilitation Sciences with specialization in Health and Aging from Western University in Canada. Her research interests include aging, frailty, and physical activity.