Tim McCall is a researcher and educator in the Washington, DC area who holds dual appointments in research and higher education: he is the director of research at the National Association of County and City Health Officials (NACCHO), and also director of health sciences undergraduate courses in the School of Medicine and Health Sciences at The George Washington University (GW).

While completing his graduate studies in social psychology, Tim developed a passion for data analysis and research methodology. Tim is experienced in conducting primary and secondary quantitative and qualitative research studies. He also has led and analyzed educational program evaluation for a professional healthcare workforce. He has demonstrated experience in disseminating research findings to a variety of audiences, both technical and nontechnical, in a variety of media, including data visualizations and infographics, research conferences and peer-reviewed publications, social media engagement, and podcasts and news media.

His research interests include the public health and healthcare workforces, including diversity, equity and well-being; he has presented and published extensively in these areas. In addition to leading the research team at NACCHO, he is a faculty member and program director in the Department of Clinical Research & Leadership at The George Washington University, where he teaches research methods, advanced statistical analysis, introductory statistics, and biostatistics to undergraduate, graduate, and doctoral students whose studies span clinical research, public health, and translational health sciences. Prior to joining NACCHO's R&E team, he was a researcher at American Academy of Physician Associates where his work also focused on the healthcare workforce, diversity and equity, educational program evaluation and needs assessments, and provider well-being.

Other interests and hobbies include maintaining the website S.S. Edmund Fitzgerald Online, traveling, visiting museums, and exploring Washington, DC with his husband, Miguel, and their rescue pit bull, Nahla.