National Bone Health Alliance
Strong Bones America


NBHA staff work closely with its member organizations and other experts to implement initiatives, communications, activities and events in support of the Alliance’s vision. Learn more about the NBHA staff.

David Lee, MPA

Executive Director (

Mr. Lee joined the NBHA as executive director in March 2011 and brings to the organization more than 20 years of experience in non-profit management and executive leadership.  Prior to this position, Mr. Lee was the deputy director of the Foundation for the National Institutes of Health’s Biomarkers Consortium, a public-private partnership endeavoring to identify and qualify biological markers in a number of disease areas.  Other previous positions include director of program policy at Last Acts Partnership and director of programs and operations at the American Digestive Health Foundation. Mr. Lee has a master’s degree in public administration from The American University and bachelor’s degree in political science from the University of Nebraska.

Debbie Zeldow, MBA

Senior Director, Clinical Programs (

Ms. Zeldow joined the National Bone Health Alliance (NBHA) in 2013 and oversees NBHA’s Fracture Liaison Service (FLS) portfolio including; FLS Demonstration Project, Fracture Prevention CENTRAL, and the FLS Reimbursement Working Group.

Ms. Zeldow has more than 20 years of experience in non-profit management, forging partnerships and collaborations, policy and program development, and marketing.  Prior to joining NBHA, Ms. Zeldow was Chief Operating Officer for the Alliance for Aging Research where she defined the organization's strategic priorities and positions on key issues, developed its programmatic portfolio, and managed its operations. Prior to her position with the Alliance, Ms. Zeldow held staff positions with the American Institute for Cancer Research and the National Association of County and City Health Officials. Ms. Zeldow holds a M.B.A. from the Johns Hopkins University and a B.A. in Communications from The American University.


Taylor Wallace, PhD, FACN

Senior Director, Scientific Programs at the National Bone Health Alliance

Senior Director, Science Policy & Government Relations Programs at the National Osteoporosis Foundation (

Dr. Wallace is responsible for ensuring that NOF’s scientific, legislative, and policy program is broad-based, comprehensive, and evidence-based, aimed at strengthening bone health, decreasing the prevalence for osteoporosis by working with various key government agencies and scientific societies towards improving tests and therapies associated with the prevention, diagnosis, and treatment of osteoporosis. In addition, Dr. Wallace provides scientific leadership, content expertise and project management leadership in support of NBHA projects and activities such as bone turnover marker standardization and rare bone diseases. Prior to joining NOF and NBHA, Dr. Wallace served as the Senior Director of Scientific & Regulatory Affairs at the Council for Responsible Nutrition (CRN), where he was responsible for providing scientific and regulatory expertise for evaluating scientific research, ensuring legislative and policy positions were based on credible science rationale, while developing new scientific reviews and original research for the peer-reviewed literature. Dr. Wallace is also an affiliate professor in the Department of Nutrition and Food Studies at George Mason University..  His academic background includes a PhD and an MS in Food Science and Nutrition from The Ohio State University and a BS in Food Science and Technology from the University of Kentucky. In his free time, Dr. Wallace manages and operates a large food and nutrition blog,, where he provides science-based nutrition, food safety, and food technology information to the general public and consumer media.  Dr. Wallace currently serves as a Trustee and the acting Treasurer of Feeding Tomorrow, the Foundation of the Institute of Food Technologists and was recently elected a fellow of the American College of Nutrition.  He serves as an Associate Editor of the Journal of the American College of Nutrition.  Dr. Wallace is the editor or co-editor of four academic textbooks and over 20-peer reviewed publications.

Andrea Portillo

Marketing, Membership and Fundraising Manager at the National Bone Health Alliance

Marketing, Consumer and Professional Education Manager at the National Osteoporosis Foundation (

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