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 N. Lozier has been executive director of the National Health Care for the Homeless Council since its founding in January 1990 and oversees all aspects of the Council’s activity in advocacy, training, technical assistance, research, peer support, organizing, and fund development.

Prior to his employment with the National HCH Council, Lozier was director of services for the homeless for … More →

Jean Bain


Jean Bain

Jean Bain is responsible for handling all of the fundamental aspects of the Council’s financial record-keeping activities. She manages our accounts payable and accounts receivable and assists with financial reporting and budgeting.… More →

Lauryn Berner, MSW, MPH

Project Manager


Lauryn Berner leads a collaborative effort with the Corporation with Supportive Housing aimed at increasing the knowledge base, skill set, and resources of Health Center staff engaged in supportive housing initiatives. As part of this work, she reaches out to health centers to identify promising practices and areas of need and collaborates on written materials, webinars, business development, and technical More →

Rick Brown, MA

Communications Coordinator

Rick Brown

Rick Brown coordinates the Council’s website, outgoing communications and newsletters, and social media. He is responsible for Council News, an e-publication highlighting resources and announcements from the NHCHC, and serves as the primary contact for the Council’s member job listings.… More →

Polly Bullock, BS

Executive Manager


Polly provides administrative support and assistance to Council staff and members.  She is responsible for the performance of the day-to-day office operations and related responsibilities.… More →

Lily Catalano, BA

Project Manager

Lily Catalano

Lily Catalano coordinates the work of the Health Care for the Homeless Clinicians’ Network. Lily also manages accreditation of the Council’s educational activities, through a joint partnership with Vanderbilt University School of Medicine, and she serves as an editor for National HCH Council communications.… More →

Katherine Cavanaugh, MSW

Consumer Advocate


Katherine staffs the National Consumer Advisory Board (NCAB), helps to coordinate consumer initiatives, and further develops Council relationships with local consumer advisory boards (CABs).More →

Alyssa Curtis, MS

Training Coordinator


As part of the Education Team, Alyssa plans, implements, and evaluates regional trainings and our annual national conference. Through various data collection processes, she ensures the content presented at these trainings is reflective of the educational needs of the Health Care for the Homeless community.… More →

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. Claudia also serves as the Program Chair for the Caucus on Homelessness of the American Public Health Association.… More →

Barbara DiPietro, PhD

Senior Director of Policy

barbara 3

Barbara DiPietro directs the policy and advocacy activities for the National Health Care for the Homeless Council, conducts policy analysis, coordinates the Council’s policy priorities with federal advocacy and governmental partners, and organizes staff assistance to the Policy Committee, Respite Care Providers Network, National Consumer Advisory Board, SSI Task Force, and the Permanent Supportive Housing Working Group.… More →

Julia Dobbins, MSW

Project Coordinator, CMS Innovation Grant


Julia Dobbins coordinates the CMS Innovation project, “Community Health Workers and HCH: A Partnership to Promote Primary Care.”  Throughout this three-year project, Julia will develop and facilitate trainings, meetings, technical assistance, and site visits for the participating health care for the homeless clinics.… More →

D. Michael Durham, MTS

Membership & Development Coordinator


Michael works in collaboration with the Membership & Development Committee for the implementation of the annual development plan, and is the primary contact for all things related to Council membership and fundraising. He also staffs the Planning Committee and organizes the two annual meetings of the Governing Membership. Learn more about membership or contact me.… More →

Sabrina Edgington, MSSW

Director of Special Projects


Sabrina Edgington brings national experts together to guide our work related to medical respite care, permanent supportive housing, disability, emergency management, and the federal Medicaid program. Within these areas, she writes policy briefs and conducts analysis on emerging issues for the HCH community. Sabrina coordinates the Respite Care Providers’ Network and is the editor of its quarterly publication, Respite NewsMore →

Caroline Gumpenberger, MPH

Director of Education


Caroline leads the Education Team, which oversees the Technical Assistance and Training program of the Council. She also develops and coordinates evaluations for all Council educational activities to ensure that the organization is meeting the needs of the Health Care for the Homeless community.… More →

Juli Hishida, MS

Project Manager

Juli Hishida-05678-Edit 2

Juli develops informational and educational resources on various administrative and behavioral health topics relevant to homeless healthcare. She currently staffs the Council’s Administrators Committee.… More →

Lori Hopper, MSW, LAPSW

Technical Assistance Coordinator

Lori Hopper

Lori coordinates the development, implementation, and evaluation of the Council’s Technical Assistance (TA) Program to provide expert, individualized responses to the specific needs of health centers and other homeless service entities.… More →

Darlene Jenkins, DrPH

Senior Director of Programs

Darlene Jenkins

Darlene oversees the work of the Education, Research, and Special Projects Teams.… More →

Molly Meinbresse, MPH

Director of Research


Molly coordinates the involvement of Health Care for the Homeless (HCH) projects in research activities to facilitate improvement of homeless health care practice and policy. Molly staffs the Research Committee and is coordinator for HCH Practice-Based Research Network. Her most recent projects focus on chronic pain management, enabling services documentation, and smoking cessation. Molly also serves as the Membership Chair … More →

Krista Myatt, BA

Database Associate


Krista Myatt manages the Council databases, including data entry and generation of reports.  She is responsible for registration duties for all conferences, regional trainings, and special events.… More →

Cindy Phillips, BS

TennCare Shelter Enrollment Project Coordinator

Cindy Phillips

Cindy Phillips coordinates the Council’s TennCare Shelter Enrollment Project which seeks to ensure that homeless children in Tennessee have the opportunity to receive health insurance and have access to consistent medical care. To this end, she meets with families in shelters across the state, facilitates trainings for school and shelter staff, provides resources to workers and consumers regarding TennCare and … More →

Marita Rice, MA

Senior Director of Administration


Marita is responsible for oversight of all the financial and administrative functions of the Council and staffs the Finance & Personnel Committee.… More →

Hannah Sadler, BA

Education Team Assistant

HannahMore →

Matt Warfield, MSW

Health Policy Analyst

Matt Warfield

After graduating in 2003 from Towson University with a degree in sociology, I dabbled in various organizing positions including brief stints with SEIU and ACORN. I was fortunate to be awarded an Open Society Institute fellowship for my work with the Baltimore Free Store, which allowed me to settle in Baltimore and work directly with low- to no-income populations throughout … More →

Christina “Crissy” Zitka, MA – CFRE

Senior Director of Development

Crissy Zitka

Crissy is responsible for building charitable support for the national organization and movement, and for providing communications and membership direction and oversight.

A former entrepreneur in the early days of the craft-brewing industry, Crissy realized early in her nonprofit management career that successful fundraising was key to an organization’s movement from “good to great.” From leading roles in fund development … More →