National Center for Farmworker Health
Call for Health
1770 FM 967 • Buda, TX 78610
(512) 312-2700
(800) 531-5120
fax (512) 312-2600
March 2015
Feb Apr

NCFH Staff

NCFH prides itself in employing exemplary staff whose multi-faceted talents, experience, and skills culminate into a team that is ready and willing to provide customer service-driven training and technical assistance.

Executive Office

E. Roberta ("Bobbi") Ryder (
President and Chief Executive Officer

Bobbi joined NCFH in August of 1986. As President and CEO, she fulfills the corporation's executive functions under the direction of the NCFH Board of Directors. She gives NCFH the benefit of many years of personal involvement with migrant families through community advocacy and professional migrant health program experience. She is the former Executive Director of the Migrant and Rural Community Health Association (MARCHA) in Bangor, Michigan. Bobbi holds a Bachelor's Degree from Michigan State University in Latin American Studies and Child Psychology, and she has completed fellowships at the Kennedy School of Government, Harvard University, and the School of Public Health at the University of Illinois at Chicago.


Lisa Miller (
Executive Assistant

As Executive Assistant, Lisa provides administrative support to the CEO. She is also responsible for a variety of NCFH special projects and initiatives as well as NCFH relations with the    Board of Directors and constituents. Lisa holds a Bachelor’s degree in Marketing from Angelo State University and a Master’s degree in Administrative Management/Public Administration  from Bowie State University.  She is also an alumnus of the Texas Public Policy and Candidate Training Program.

 Hilda Bogue (
Resource and Development Director

Hilda is a registered nurse in the USA and in Mexico, a MATCH fellow, a Certified Health Education Specialist, and she holds a Master's Degree in Community Health Education from Western Illinois University. Her primary responsibility is to provide technical assistance to migrant health programs and to monitor federal policy for its implications for migrant health. Her experience includes hospital and community patient care, program management, grant writing and review, program development, health education, community needs assessment, outreach, and coordination of health promoter programs. Before joining NCFH in August of 2001, Hilda worked with the Colorado Migrant Health program and in various capacities at Community Health of South Dade, Inc. in Miami, Florida.

Finance & Administration


Eric Frank (
Chief Financial Officer

Eric manages and directs the accounting, budgeting, and financial reporting functions of NCFH. Eric oversees the annual audit and fiscal grant management, administers the benefits and personnel record keeping functions, participates in the overall strategic and operational planning process of the organization including marketing and fund development, and manages the offices and facilities of NCFH. He has many years experience in planning, reporting, analyzing, and auditing management information systems for profit and non-profit organizations. Eric has a BS in Management Information Systems from Oklahoma State University. He is a Certified Information Systems Auditor (CISA) and also has considerable experience with on-site technical assistance to other non-profit organizations regarding financial operations.

 Susan Hernandez (
Administrative Services Coordinator 

Susan is responsible for accounts receivable, accounts payable, payroll, reception duties, and is the benefits’ administrator for employee’s benefits and personnel record-keeping, including setting up new employees with their orientation. In addition to those duties, she also manages the facilities and office for NCFH, and assists the CFO and the Executive Department when needed. In November 2006, she graduated Summa Cum Laude with a Bachelor’s Degree in Business Administration majoring in Management from American InterContinental University.

Program Services

Sylvia Partida (
Chief Operations Officer

As COO, Sylvia provides oversight to all programs within NCFH which include several outreach programs, a national toll free health information and referral service resource and library center, national conference planning, patient education publications, and professional newsletter publication.  She has a broad range of experiences in education, psychology, research, and evaluation.  She has a Bachelor of Arts in Education and is certified in early childhood, elementary, and special education.  She received a Master of Arts Degree in clinical psychology from St. Mary’s University in San Antonio, Texas. As an educator, she worked for 6 years in the public school system and was instrumental in the development and evaluation of an innovative curriculum design to assist students with special educational needs.  She later served as an associate psychologist providing therapy and evaluation services on a multidisciplinary team for the rehabilitation of individuals with traumatic brain injuries.  For the last 12 years, Sylvia has been involved with the development, implementation, and evaluation of community health programs targeting diverse populations including at-risk adolescents, indigent populations, and migrant farmworkers. She has worked with several organizations including CDC, HRSA, HIV/AIDS Bureau, the Office of Minority Health, EPA, Maternal and Child Health Bureau, and SAMHSA, as well as state and local entities.


Juanita (Janie) Favre (
Program Services Administrative Assistant

Janie provides administrative support for the Program Services Department and works closely with the COO on the Migrant Health Scholarship Program, the annual art work and special projects. She has more than 12 years of customer service and office administration experience. Prior to joining NCFH, she assisted the Director at Marywood Children and Family Services. 



Bethany Boggess (
Information & Research Services Coordinator 

Bethany has an Associate of Arts degree in Spanish, a Bachelor of Science degree in Community Health, and is a second year Masters in Public Health student in Epidemiology at the University of Texas School of Public Health. She has been involved in numerous community health & research projects focused on social justice in low-income immigrant communities.




Matt Rogers (
Resource Center & Library Assistant

Matt has a Bachelor’s Degree in Geology and Latin American Studies, and is a second year Masters of Applied Geography student at Texas State University in San Marcos. Before joining NCFH, Matt worked in San Antonio and Austin as an AmeriCorps member for organizations that helped first-generation college students gain access to college and also with drop-out students in a service learning program that helped them obtain their GED. Matt also enjoys exploring and making maps. 


Information Management


 Ismael Rangel (
Director of Information Management

Ismael is responsible for maintaining the agency network and databases as well as generating information mined from the resources of NCFH. He has an extensive history in human resources as well as database and technology experience. He has a Master's Degree in Library and Information Science from the University of Texas Library and Information Science School and more than 15 years work experience in human service organizations.


Direct Services


Christina Brito-Tigerina (
Manager of Outreach and Community Services

Christina has a Bachelor’s Degree in Organizational Management and is a licensed nurse and Certified Community Health Worker Instructor in the state of Texas. Before joining NCFH, she worked as the Community Outreach Coordinator with the Community Health Center of Lubbock, Inc. in Lubbock, Texas. Past professional experience includes: program development, health education, community needs assessment, outreach, development and coordination of promotora programs, and grant writing and review. 


Auburn Hernandez (
Learning Services Assistant

As Learning Services Assistant, Auburn is responsible for the assistance in the development, provision and marketing of Learning Services and Products, and support of Stream Forum coordination and logistics. Auburn received her degree in Pastoral Youth Ministry & Missionary Studies at Bethany College in Baton Rouge LA. Before NCFH, she worked as an Operations Analyst for Houghton Mifflin Harcourt providing learning content for students, teachers, kids and parents.


Elvia Anderson (
Associate Manager of Community Outreach

Elvia has over 15 years of office experience working as an Office Manager and Administrative Assistant both in the business and health care industry. Elvia oversees several NCFH programs, including the Call for Health program, the Wellpoint patient navigation program, the Su Familia program, and the Marketplace patient navigation program.


Karla Bell (
Patient Navigator/Information Specialist

As an Information Specialist for the Call for Health Program and the National Epilepsy Spanish line, Karla responds to callers and provides information to help them identify health resources in their local community, making referrals to migrant and community health centers and local affiliate programs as needed. She provides interpreter services when language barriers exist in accessing medical care and provides educational resources when appropriate. In her role as a Patient Navigator, Karla provides information, referrals, and resources to BlueCross BlueShield of TX members (CHIP/Medicaid/CHIP Perinatal recipients). Karla holds a Bachelor’s Degree in Spanish from Texas State University


Maryann Martinez (
Patient Navigator

As a Patient Navigator, MaryAnn welcomes new members of BlueCross BlueShield of TX (CHIP/Medicaid/CHIP Perinatal recipients), provides education on benefits, information, referrals, assists members in finding a PCP or OB/GYN, and provides home visits when necessary. She also helps community members apply for Medicaid or CHIP health coverage. Maryann is currently attending St. Edward’s University to acquire a Bachelors of Arts in human Services and has over 15 years of office experience working in medical records, birth registrar, and in the mortgage industry.


Sylvia Silva (
Patient Navigator

As a Patient Navigator, Sylvia welcomes new members of BlueCross BlueShield of TX (CHIP/Medicaid/CHIP Perinatal recipients), provides education on benefits, information, referrals, assists members in finding a PCP or OB/GYN, and provides home visits when necessary. She also helps community members apply for Medicaid or CHIP health coverage. She has more than 10 years of customer service and office administration experience.


Professional Services

Alicia Gonzales (
Professional Services Director

Alicia oversees the provision of professional services that include a comprehensive set of leadership and staff development training and consultation services for health center management and board members. Alicia also oversees development and provision of orientation on migrant health related issues to migrant health center staff and other organizations serving the farmworker population. She also manages the development of products for professionals in the field of migrant health and the development of patient education materials and tools to include literacy and cultural appropriateness. Past professional experience includes: program planning, CHW/Lay Health Worker program development, development of educational materials & training curricula, and hands-on training. She has a Master’s Degree in Social Work from the University of Texas at Austin

  Ramona Arredondo (
Administrative Services and Support Specialist

Ramona is the Administrative Services and Support Specialist for the Professional Services and Products Department. Her primary role is providing a variety of administrative and programmatic support to the Director. She takes the lead in the evaluation of training and technical assistance services and securing continuing education credits for all training programs. She is also responsible for the coordination of workshop and training logistics provided by this department. She has over 18 years of clerical/administrative support in a non-profit setting

  Evangelina (Vangie) Orozco (
Product Development Manager

Vangie leads the development of NCFH’s professional and patient education products and publications. This includes a number of bilingual, low-literacy patient education publications, professional resource materials, and health education products and materials, among others. Vangie is also responsible for the development of a train-the-trainer program, including training curriculum and materials, in the area of board governance and consumer board member recruitment. Vangie also provides training and technical assistance services to health centers in a variety of leadership and management topics, such as migrant health basics, health literacy, customer service, and cultural competency. Vangie holds a bachelor’s degree from Princeton University and master’s degrees from the L.B.J. School of Public Affairs and the Institute of Latin American Studies at the University of Texas at Austin. Her prior professional experiences include coordinating a higher education outreach, promotion and guidance program for first-generation immigrant students in a large urban school district, and working on a project to research, test and develop a comprehensive model to promote stakeholder and community engagement in systemic school improvement.
  Monica Fossi (
Health Education Products Coordinator

Monica is responsible for development of curricula and health education materials on health topics which include arthritis and asthma. She is also responsible for provision of training to promotores de salud on a variety of health topics. Additionally, Monica is a lead editor of the Farmworker News, a bi-lingual health education newsletter and conducts translation of health education materials. She received a Law Degree and a Master's Degree in Mercantile Law from the Catholic University Andres Bello, as well as a Master of Arts in Spanish and a Minor in General Business from Mississippi State University. Before joining NCFH, Monica worked with the Migrant Education Program at Mississippi State University as their Migrant Coordinator and Lead Recruiter for the program.

Joanna V. Arevalo (
Health Communications Products Specialist

Joanna’s previous experience consists of program development and implementation in educational settings, outreach and case management. Joanna is also a third generation former migrant agricultural worker. Joanna holds a BA in Social Work from St. Edward’s University becoming the first in her family to receive a higher education degree.