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About The Alliance To Prevent Legionnaires’ Disease

The Alliance to Prevent Legionnaires’ Disease (APLD) is a nonprofit coalition of health advocates, health providers, building engineers, scientists, water treatment experts and manufacturers. We are actively working to educate policy makers and government officials, media representatives, water system managers and professionals, residents, and building owners, about the facts surrounding water quality, effective strategies for addressing the root causes of legionnaires’, and better protecting public health.

MISSION

The Alliance strives to reduce the occurrence of Legionnaires’ disease by promoting public research and education on the disease, and best practices and policy for its prevention.

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Our Staff

Tonya Winders, MBA is currently the Executive Director of Alliance to Prevent Legionnaires Disease and President of the Board of Prevent Legionnaires.

Tonya has over 20 years experience in leadership roles within the respiratory & immunology healthcare industry. From sales and marketing leadership to managed markets access, she has worked tirelessly to ensure patients have access to effective diagnostic and treatment tools.

Tonya serves on several expert panels including the ERS International Respiratory Coalition and GINA international guidelines. Furthermore, she is the current president of the Global Allergy & Airways Patient Platform, representing more than 100 patient organizations throughout the world.

Personally, Tonya is the mother of five children, four of whom have asthma and/or allergies. She enjoys spending time with her husband of 27 years Brian and doting on her grandchildren.

Tonya Winders
Executive Director, APLD
President of BOD, Prevent Legionnaires'

Expert Bios

Hung K. Cheung, MD, MPH, FACOEM

Cogency Team Founder and President

Dr. Cheung currently serves on the Advisory Panel for the Johns Hopkins Bloomberg School of Hygiene and Public Health’s summer Institute run by Department of Environmental Health Sciences and Board of Directors for Healthy Housing Solutions, Inc.

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Robert Bowcock

IRM Founder & Managing Director

Founded Integrated Resource Management, LLC in 1997 after serving as a Water Utility Manager in Azusa (1991-97) and Huntington Park (1987-91), California. Mr. Bowcock has been appointed to serve on several Watermaster Boards by California Superior Courts since 1990.

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Hung K. Cheung, MD, MPH, FACOEM

Founder and President

As one of the nation’s foremost experts in his field, Dr. Cheung has led hundreds of environmental and toxicological investigations, protecting thousands of occupants and saving organizations millions of dollars.

“My philosophy is preventive,” he says. “Organizations need to design and develop policies that help prevent exposures, injuries and illnesses. Once we discover the root cause of a problem – using good science – we can create an action plan to prevent it from happening again.”

A former Maryland State Medical Director, he is a faculty member at the University of Pennsylvania, Perelman School of Medicine. As a Fellow of the American College and Environmental Medicine, he is nationally-recognized as an expert in Respiratory Environmental Medicine, Plant and Indoor Environmental Quality, Risk Communication and Medical Advisory Services. Board Certified in both Internal Medicine and Preventive Medicine, he holds a Masters in Public Health from Johns Hopkins and has a medical degree from the University of Maryland.

Dr. Cheung currently serves on the Advisory Panel for the Johns Hopkins Bloomberg School of Hygiene and Public Health’s summer Institute run by Department of Environmental Health Sciences and Board of Directors for Healthy Housing Solutions, Inc. Dr. Cheung is an adjunct assistant professor at the University of Pennsylvania Perelman School of Medicine where he co-chairs of the environmental health and risk assessment educational modules and teaches outbreak investigation to Occupational and Environmental Medicine Residents at the Medical Institution.

He is in demand as a lecturer in prevention and remediation, as a scientific expert in legal and administrative proceedings, and has provided expert technical testimony to legislatures. Such activities include serving with the Maryland Governor’s Task Force on Indoor Air Quality, the Baltimore City Healthy Homes Advisory Board and completing a major epidemiological investigational study for the Department of Defense.

Robert Bowcock

Integrated Resource Management - Founder & Managing Director

Founded Integrated Resource Management, LLC in 1997 after serving as a Water Utility Manager in Azusa (1991-97) and Huntington Park (1987-91), California. Prior to that, Mr. Bowcock worked for the Metropolitan Water District of Southern California (1982-87), and as a U.S. Army Civil Affairs Team Leader designed and constructed water treatment and distribution systems for various federal branches of government in Southeast Asia and South America. Mr. Bowcock has been appointed to serve on several Watermaster Boards by California Superior Courts since 1990. He is a licensed California Grade V Water Treatment Operator and maintains various other water industry licenses. He routinely provides expert witness work to legal firms in the specific area of water resource management.