HIV Prevention and Care Project


Staff Directory:  click on a name for more information. 

HIV Prevention and Care Project


Staff Directory:  click on a name for more information. 

Dr. Anthony Silvestre, Professor Emeritus, Founder

Dr. Anthony Silvestre founded this project in 1994 and served as Principle Investigator until 2018.  Originally conceived as the Pennsylvania Prevention Project, Dr. Silvestre guided the project through three decades of the HIV epidemic to its evolution into the HIV Prevention and Care Project (HPCP) in the early 2010s..  Involved in HIV work since 1982, he helped establish a GRID (an early name for what is now HIV/AIDS) prevention program in Philadelphia. In 1984, he began working, and later became co-investigator on, the Pittsburgh site of the world's first major HIV epidemiological study among gay and bisexual men - the Multicenter AIDS Cohort Study. This study has four major sites and is now the world’s longest running prospective study of the natural and treated histories of HIV. . Dr. Silvestre was a cofounder of the Southwest PA AIDS Coalition, the Pittsburgh AIDS Task Force (now Allies for Health and Wellbeing), and the Pennsylvania Coalition of AIDS Service Organizations, and as US Liaison on HIV to the World Health Organization, among other groups. He served as a founding Co-Director of Pitt’s Center for Research on LGBT Health and the LGBT Health and Wellness Certificate program.

Though he is now retired from day-to-day operations, the University has recognized Dr. Silvestre for his outstanding contributions to the University and communities across Pennsylvania with prestigious Professor Emeritus status.

For more information please visit his page at the University. 

Dr. Mackey R. Friedman, Assistant Professor, Principal Investigator

Dr. Friedman joined the team in November 2005.  As Director of Project Silk, his current work focuses on designing, implementing, and evaluating a CDC-funded HIV prevention demonstration project with the local House and Ball Community.  A native of Chicago, Dr. Friedman received his BA (English) from the University of Minnesota and his MPH (Infectious Diseases and Microbiology, Certificate (LGBT Health and Wellness), and PhD (Behavioral and Community Health Sciences) from the University of Pittsburgh. He has worked in HIV prevention for the last 18 years, working primarily with injection drug users, sex workers, men who have sex with men, and homeless and runaway youth. His current extramural research efforts focus on health disparities among behaviorally bisexual males; the context of male and transgender sex work; and the evaluation of social marketing campaigns intended to reduce stigma. 

For more information please visit his page at the University.  

Dr. Sarah Krier, Assistant Professor, Co-Principal Investigator

Dr. Krier joined the HIV Prevention and Care Project (HPCP) in 2013. As Research Specialist, her current work focuses on planning and conducting state-wide HIV comprehensive needs assessments of high-risk populations, implementing a social marketing campaign intended to reduce stigma, and serving as process evaluator for Project Silk, a CDC-funded HIV prevention demonstration project targeting African American young men who have sex with men (YMSM) and young transgender (YTG) individuals in Pittsburgh. Dr. Krier holds a PhD (Anthropology), MPH (Behavioral and Community Health Sciences), Doctoral Certificate (Study of Women, Gender and Sexuality), Advanced Certificate (Asian Studies), and a Graduate Certificate (Global Health) from the University of Pittsburgh and a BA (Women’s Studies) from Oberlin College. She has worked in the fields of sexual and reproductive health and infectious disease for over ten years as a medical anthropologist and public health worker in the US, Indonesia and Papua New Guinea. As a Fulbright scholar and NSEP Boren Fellow, Dr. Krier’s doctoral fieldwork studied Muslim women’s use of herbal indigenous medicine for reproductive and sexual health purposes in Central Java, Indonesia. As part of an interdisciplinary postdoctoral training fellowship in global health at Case Western Reserve University funded by the US National Institute of Health, Dr. Krier conducted research on lymphatic filariasis in the East Sepik Province, Papua New Guinea. Throughout her career, Dr. Krier plans on using her interdisciplinary skill sets to analyze issues related to the transmission and treatment of infectious diseases, and to develop, evaluate and adapt socially and culturally appropriate health projects. 

For more information please visit her page at the University. 

Dr. David Givens, Co-Principal Investigator and Project Director

Dr. Givens has been with HPCP since 2011 and has served in multiple leadership capacities with the project since 2013.  As Director, he oversees the administrative operations of the HIV Prevention and Care Project while also co-leading the project’s Planning Team in all statewide planning activities and community outreach.  Dr. Givens serves as a key state liaison with the PA Department of Health Bureau of Communicable Diseases, facilitating intersectional planning with HIV among numerous comorbidities.  His other areas of specialization include long-term strategic planning and community mobilization.  Serving with HPCP combines his passions for education, community health, and social justice with his enthusiasm for bringing people together to accomplish shared goals.  

David earned two Bachelor’s degrees from the University of Central Florida in Philosophy & Humanities and Religious Studies, and holds a Master’s degree in Religious Studies and a PhD from the Cooperative Program for the Study of Religion at the University of Pittsburgh. His PhD identified novel stigma reduction and resiliency strategies occurring among sexual and gender minorities online.  His other research interests include the history and contemporary applications of health and spirituality, particularly as they impact stigma, community resiliency, mediation, and MBSR.  Dr. Givens currently also serves as the Co-Director for the Center for Mindfulness and Consciousness Studies at the University of Pittsburgh.

Dr. Givens’ faculty webpage can be accessed at

Dr. Brian Adams, Intervention Research Specialist

Brian started with HPCP in 2013, working with Project Silk. Since then, he has taken on roles in other aspects of HPCP, including co-lead for the Planning team and evaluation lead for Project Silk replication projects. Brian received an MPH from the University of North Carolina at Chapel Hill in 2013, and completed his PhD in Behavioral and Community Health Sciences at the University of Pittsburgh in 2020. His dissertation examined intimate partner violence (IPV) among male couples, identifying that collecting data from both partners can improve our knowledge of IPV prevalence as well as the factors that may be associated with IPV. Brian hopes to combine his dissertation research with his job experience to further understand connections between IPV and HIV.

Luis A. Archila, Bilingual Outreach Specialist

Luis has been with the University of Pittsburgh since 2011 where he worked for the Graduate School of Public Health as a Bilingual Research Assistant for the pilot research project “Latino Engagement Group for Salud” L.E.G.S. where he provided counseling, guidance and conducted needs assessments for Latino families in Allegheny County. He joined the project in 2013 and currently supports the HIV Prevention and Care Project in community outreach and education.

Luis earned his Bachelors of Science degree from Geneva College in Human Resources Management, and received his Masters of Science degree also from Geneva College in the concentration of Organizational Leadership Studies. He plans on pursuing his PhD focusing on Health Services Research and Policy.  His other research interests include the positive impact that social media and personal interactions have in a community.

Scott Arrowood, Capacity Building Specialist

Scott has been with the University of Pittsburgh since December 2001. Responsibilities have included:  Needs assessment and prevention research targeting HIV+ individuals; Identifying HIV primary prevention curriculum; Assessing capacity of HIV primary care clinics to implement HIV prevention programs; and Facilitating Pennsylvania’s HIV Community Planning process. Currently, he is developing and delivering training curriculum for HIV providers across the state as part of the Capacity Building Program.  He also maintains  Mr. Arrowood also has background experience in children and family services including casework, foster parent recruitment and training, and clinical supervision. He received his Bachelor of Arts degree from Christopher Newport University in 1994 and a Master in Social Work degree from the University of Pittsburgh in 1995. Originally a native of Hampton Roads, Virginia, he has lived in Pittsburgh for a cumulative 22 years. 

Dr. Maura Bainbridge, Community Outreach Specialist

Maura joined the HIV Prevention and Care Project (HPCP) in 2019. As Community Outreach Specialist, she leads stakeholder engagement efforts across the state. She also supports the Project in planning and capacity building efforts. Maura earned her Bachelor’s degree in Anthropology from American University. She also holds both a Master’s degree and PhD in Anthropology from Binghamton University. Her dissertation compared the material remains and heritage narratives around three sites of labor conflict in the United States. She also has a background in archaeology and LGBTQ work. Maura brings her anthropological skills to HPCP, addressing high-risk communities in appropriate and effective ways. 

Corrine Bozich, Community Research Specialist

Corrine joined the HPCP in October 2017. She supports the project in community outreach, planning, and capacity building. A native to Pennsylvania, Corrine received her Bachelor’s degree in Biology from the University of Pittsburgh at Johnstown and received her Master’s degree in Public Health from the Department of Infectious Diseases and Microbiology at the University of Pittsburgh Graduate School of Public Health. Corrine intends to utilize her skills to identify high risk populations and provide education and information regarding preventable diseases.

Debra Dennison, Capacity Building Coordinator

Debra is the capacity building director of the HIV Care and Prevention Project. Her responsibilities include serving as a resource to the State Department of Health's HIV/AIDS Division in its promotion High Impact Prevention and related capacity building needs. This includes training and technical assistance services. She also coordinates the project’s faith based initiative, Common Ground. Mrs. Dennison holds a BS degree in School Health, K-12, from the State University of New York at Cortland and a MS public health degree in Community Health Education, from the University of Massachusetts. 

Greg Fisher, Computer Systems & Data Analyst

Greg joined the team as a Research Specialist in 1997. He came to the Project as a data analyst and data solutions developer.  He has over 25 years experience as a systems developer.

His duties include providing data and programming support to the office and its projects, including the Pennsylvania Uniform Data System(PaUDS), the HIV/AIDS Service Providers (HASP) Program,  Project SILK, internet based-interventions and  He is currently developing smartphone applications to reach wider, at-risk populations. 

Dr. Teagen O’Malley, Postdoctoral Associate

Dr. O’Malley joined the HIV Prevention and Care Project in 2019. As Postdoctoral Associate her current work focuses on the development, implementation, and evaluation of a HIV prevention demonstration project of sexual health navigation to HIV pre-exposure prophylaxis (PrEP) in Allegheny County, PA. Dr. O’Malley received her PhD (Behavioral and Community Health Sciences), MPH (Behavioral and Community Health Sciences), and Certificate (Global Health) from the University of Pittsburgh and a BA (Economics, Global Studies) from the University of Minnesota. Her research approach involves the use of integrated quantitative and qualitative methods and a stakeholder engaged approach to conduct intervention-based research. Her current research focuses on the intersection of intimate partner violence and HIV among women and potential of PrEP as a biobehavioral HIV risk reduction strategy. Much of her public health work has focused on HIV, intimate partner violence, sexual and reproductive health, and social and economic gender-based inequities and structural interventions for health improvement, including in domestic and international settings.

Harley Roth, Project Manager

Harley joined the HPCP in September 2019 as part of the STD to PrEP team. Harley received her bachelor’s degree in Microbiology from George Mason University. She continued her education by earning her Master’s in Public Health from the University of Pittsburgh Infectious Diseases and Microbiology Department and wrote her thesis on PrEP awareness in Allegheny County. Harley has previous experience working as a housing specialist for people living with HIV where she gained skills in areas such as case work, program development, and community stakeholder engagement. She intends to utilize and adapt her knowledge as a sexual health navigator to continue positive sexual health education and STI/HIV prevention.

David Stefanac, IT & Systems Information Specialist

David has been involved in information technologies for over twenty years, joining HPCP in that general capacity in 2005.  His duties include maintaining HPCP’s IT infrastructure, performing system analysis, and contributing general technological and network expertise. A native Pittsburgher, he and his wonderful wife are the proud parents of two terrific children.

Debra J. Stemmler, Fiscal Administrator

Debra (DJ) Stemmler is currently working as the Office Administrator for the HIV Prevention and Care Project.  She worked previously as the Administrator for UPMC’s Center for Assistive Technology (CAT), the Grants and Contracts Manager for The Pennsylvania Coalition Against Rape (PCAR) and Program Manager for The Three Rivers Center for Independent Living (TRCIL).  She has a Bachelor’s degree from Chatham College in Human Services Administration and Associate degree in Occupational Therapy from Mount Aloysius.  Ms. Stemmler is a lifelong advocate for disability and civil rights issues and has committed most of her personal and professional life to ensuring equal access for people with disabilities to services, housing, employment and education.  She is the 2003 recipient of the EP Maxwell Schleifer Distinguished Service Award.   

Raymond Yeo, Online Outreach Coordinator

Ray joined the team as a consultant in 2006, providing technical writing assistance and media-related support. In 2007, he became a full time staff member and was assigned the task of creating an online HIV education and outreach program for men who have sex with men. Utilizing his communication and media-related skills, Mr. Yeo is now responsible for maintaining an Internet-based intervention that provides HIV/STD education regarding testing and Partner Services in online communities such as Facebook, Craigslist, and Grindr. Mr. Yeo received a BA in English Writing and Communications from the University of Pittsburgh in 2006. 

Mike Zolovich, Office Administrator

Mike joined HPCP in the middle of 2017. He has a Bachelor’s degree in Communication and a minor in Theatre Arts from The University of Pittsburgh. His primary responsibility is managing the day to day operations and overall coordination of the HPCP. His duties include email and supply management, tracking expenses, maintaining office protocol and records, and facilitating coordination between staff and research investigators. 

In his spare time, Mike likes to dedicate himself to theatre and the arts by performing, seeing shows, and working part time at The Pittsburgh Public Theater. His interests include films, the science and making of wine, graphic design, and finding good restaurants to eat at.