The principal office of the National Health Care for the Homeless Council is in Nashville, Tennessee. Staff and contractors pursue our ambitious agenda in research, training, education, organizing and advocacy from offices in various locations. Staff members include:

John Lozier, MSSW

Executive Director

John Lozier

John is responsible for overall management of the organization and focuses particularly on external relations and the public policy aspects of the Council’s work.

Polly Bullock, BS

Executive Manager


Polly responds to requests for information and publication orders, oversees accounts payable and receivable, and takes care of day-to-day office management.

Lily Catalano, BA

Program Specialist

Lily Catalano

Lily Catalano supports technical assistance and training while assisting with the coordination of the National Health Care for the Homeless Conference.

Claudia Davidson, MPH

Research Associate


Claudia Davidson works to support the HCH field by developing and disseminating knowledge, increasing visibility of HCH-related research through publications and external collaborations, and improving its capacity to engage in research and apply research findings.… More →

Barbara DiPietro, PhD

Director of Policy

barbara 3

Barbara directs the policy and advocacy activities for the National HCH Council and coordinates the Council’s policy priorities with federal advocacy and governmental partners.

Julia Dobbins, MSW

Project Coordinator, CMS Innovation Grant

Julia Dobbins NHCHC

Julia Dobbins coordinates the CMS Innovation project titled “Community Health Workers and HCH: A Partnership to Promote Primary Care.”

D. Michael Durham, MTS

Assistant to the Executive Director

Michael Durham

Michael provides administrative support to the Executive Director, coordinates the submission of deliverables related to the HRSA Cooperative Agreement, and staffs the Clinicians’ Network Steering Committee.… More →

Sabrina Edgington, MSSW

Program and Policy Specialist


Sabrina keeps abreast of policy matters related to the National HCH Council’s advocacy priorities and writes policy papers and other reports.

Juli Hishida, BS

Technical Assistance Coordinator


Juli works with the technical assistance (TA) program and other staff to respond to TA requests including coordinating peer-to-peer and site visits.

Darlene Jenkins, DrPH

Director of Research and Evaluation

Darlene Jenkins

Darlene develops initiatives to conduct research and apply scientific knowledge to HCH clinical practice and policy development.

Jessie Lee

Database and Administrative Clerk


Jessie Lee is responsible for managing our extensive database and required reporting as well as assisting with general administrative tasks.… More →

Maria Mayo, MDiv, PhD

Communications Coordinator


Maria manages the National Health Care for the Homeless Council’s website and social media, coordinates the marketing and promotion of council events and training opportunities, and handles writing and graphic design for many council communications. Maria also facilitates the communications committee as well as the production of the Healing Hands quarterly publication.… More →

Molly Meinbresse, MPH

Program and Research Specialist


Molly coordinates the involvement of HCH projects in research activities to facilitate improvement of homeless health care practice and policy.

Wade Munday, MDiv

Program and Development Specialist

wade smile

Wade manages all aspects of the National Health Care for the Homeless Conference and Policy Symposium.

Eric Murry, MSHSA

TennCare Shelter Enrollment Coordinator


Eric facilitates the enrollment of children in shelters into Tennessee’s Medicaid waiver program and promotes their utilization of EPSDT services.

Dan Rabbitt, Jr., MSW

Health Policy Organizer

dan 1

As the Health Policy Organizer, Dan is responsible for representing the interests of the National HCH Council in Washington, D.C.

Victoria Raschke, MA

Director of Technical Assistance and Training


Victoria guides the Council’s technical assistance and training program.

Marita Rice, MA

Director of Finance and Administration

Marita Rice

Marita Rice is responsible for the oversight of all financial functions of the National HCH Council.

Zachary Sanchez, MA

Data Specialist, CMS Innovation Grant


Zachary Sanchez designs the tools for data collection and analyzes the data that is returned from the ten sites associated with the Innovation Grant from CMS.

Patrina Twilley, MSW

Evaluation and Quality Improvement Specialist


Patrina develops and coordinates evaluations for all of the Council’s trainings, technical assistance, and written products, while ensuring a level of attention to quality and improvement.

Brian Zralek, MSSW

Consumer Advocate

Brian Zralek

Brian coordinates and organizes the work of the National Consumer Advisory Board.