Randolph D. Hubach, PhD, MPH
Dr. Randolph Hubach is Director of the Sexual Health Research Lab at Purdue University and Professor of Public Health. He holds a Ph.D. in Health Behavior from Indiana University’s School of Public Health and MPH from California State University, Fullerton. Early in his career, Dr. Hubach’s research and practice experiences included serving as PI on a federally funded community-based sexual health intervention project, developing managed care programs for local public health and mental health jurisdictions, and serving in leadership positions in multiple community health coalitions and planning processes. As a behavioral scientist and public health researcher, he has gained a practical understanding of the challenges associated with the delivery of public health programs that are scientifically sound and responsive to the needs of diverse communities.
Dr. Hubach’s research interests include using community engaged principles to address sexuality-related health disparities, sexual behavior, LGBT population health, and HIV/AIDS within urban and rural communities.
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Carlos Mahaffey, PharmD, MPH
Dr. Mahaffey is Assistant Professor of Public Health at Purdue University. He received his PharmD from Florida A&M University and MPH from Morehouse School of Medicine. He completed a NIDA-funded post-doctoral research fellowship at the University of Kentucky. Dr. Mahaffey’s earlier research included private and federal funding to address sociocultural factors, sexual risky behaviors, substance use, and health care utilization impacting health outcomes among justice-involved Black men and adolescents. His area of research focuses on HIV/AIDS, substance abuse, sociocultural determinants of health, justice-involved populations, and African American/Black MSM. As a public health professional, he is committed to reducing and eliminating the health disparities among vulnerable populations.
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Lorraine V. Stigar, DrPH, MPH, CHES
Dr. Lorraine Stigar is a Clinical Assistant Professor in the Department of Public Health at Purdue University. They earned their Doctor of Public Health in Public Health Leadership from University of Arkansas for Medical Sciences (UAMS) where their research focused on health education, equity and inclusion, and access to LGBTQIA+ affirming care.
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Vincent Baier, PhD, MPH
Dr. Vincent Baier is a Postdoctoral Research Assistant at Purdue University, bringing a rich and diverse academic background to his current role. He holds a Ph.D. in Educational Psychology, a field that has equipped him with a deep understanding of learning processes, human development, and the psychological factors influencing educational outcomes. His doctoral research and subsequent work have honed his expertise in qualitative and quantitative methodologies, enabling him to approach complex social and health issues with rigorous analytical skills.
Prior to his current position, Dr. Baier established a significant research background in critical public health and social justice areas, specifically focusing on HIV/AIDS and LGBTQ+ issues. His work illuminated the unique challenges and experiences faced by these communities, contributing valuable insights into prevention strategies and support systems. His dedication to understanding and addressing health disparities underscores the commitment to research that not only advances academic knowledge but also fosters social well-being and equity.
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