Executive Team - Golden Valley Health Centers

Francisco Deleon Guerrero serves as a public representative. Currently a Mortgage Advisor for Gold Star Mortgage Financial Group, a local mortgage bank in Merced, Francisco has lived in Merced for over 14 years and considers the Central Valley a terrific environment to raise his family. Mr. Guerrero greatly supports GVHC’s mission of serving minority communities as he is part of a growing Pacific Islander community in the Central Valley.
Francisco began in the industry working for a large consumer bank, Wells Fargo. Subsequently, he pivoted to mortgage loans as an independently contracted loan signer while earning his Bachelor of Science in Business Economics from the University of California, Merced. During that time, he interned at Castle Air Museum as an Assistant Curator, cataloging and exploring database management solutions.
Mr. Guerrero is currently involved with a number of community organizations. He serves as a Committee Chair to the Merced County Realtors Association Closing Cost Grant Fund Committee, where he helped write new guidelines and procedures for fund implementation and management. Mr. Guerrero also serves as the Community Service Chairperson for Merced’s Young Professional Network, a non-profit organization that focuses its efforts on raising funds for monetary support for other nonprofits in the community.
In his free time, Mr. Guerrero loves to explore the sites and food scenes of the Valley and beyond with his wife, Hanna, and two daughters.

Martina Giselle Ramirez is Dean of the College of Science & Professor of Biology at California State University, Stanislaus. Dr. Ramirez received her B.S. in biology from Loyola Marymount University (LMU) and her Ph.D. in biology from U.C. Santa Cruz. Prior to Stan State, Dr. Ramirez was a professor and later an administrator at Pomona College, Bucknell University, Denison University, East Stroudsburg University, LMU, and St. Norbert College, where she served as Dean of Natural Sciences. Dr. Ramirez received the Rudinica Award for Student- Faculty Research from LMU’s Seaver College of Science & Engineering (2012); a Biology Mentor Award from the Council on Undergraduate Research (2013); and an LGBTQ+ Mentor Award from LMU’s LGBT Student Services Office (2016). Along with having published 22 scientific papers, including 14 with 59 undergraduate student co-authors, Dr. Ramirez is also co-author of a book, Happier as a Woman: Transforming Friendships, Transforming Lives (Cleis Press, 2019).

Tracy Blair

Ms. Blair has been a healthcare attorney for over twenty-one years. Prior to joining Golden Valley Health Centers as its Vice-President and General Counsel, Ms. Blair started her legal career in private practice as a litigator. Ms. Blair’s litigation experience includes professional liability (medical malpractice), employment law, and business litigation, successfully trying several cases to final verdict. After becoming partner, Ms. Blair left her law practice and joined Valley Children’s Hospital as their Corporate Compliance Officer. After six years in compliance, Ms. Blair took on an in-house position, as the Deputy General Counsel and gaining additional experience in healthcare transactions, privacy, security, corporate governance, insurance, risk management, consent law, mergers and acquisitions, and real estate transactions. Although born in Ohio, Ms. Blair calls the Central Valley her home. Ms. Blair is a graduate of Fresno State University, summa cum laude, and was the valedictorian in her class at San Joaquin College of Law. Ms. Blair serves on several non-profits, including La Feliz Guild, Central Valley Regional Center, and annually participates in the Step Up for Down Syndrome event in Clovis, California. Ms. Blair enjoys spending time with her husband and two young, active sons. She is also an exercise fanatic, enjoying all things fitness, but especially running.

David Kamins: IT Business

David is dedicated to his community. He states, “I want to leave it better than I found it”. He is very active in service groups, chambers of commerce, and multiple nonprofit organizations that align with this very mission. David became a Golden Valley Health Centers Foundation board member due to the wonderful treatment he and his daughter and first child received. David was struggling with the recession, as many at the time were, and Golden Valley was there for them.

Professionally, David works for Mid Valley IT, the central valley’s fastest growing IT company

Shannon Egleston

Shannon is an enthusiastic and accomplished team leader with over 30 years of event planning and management, fundraising and community relations experience.

Shannon is a believer in giving back to the community and has been involved with and worked for non-profit organizations over the years. She loves seeing an event go from paper to production and to help create the environment to touch every person in the room and help them understand the mission – not just for that night, but long after.

David Quackenbush, MHA

Mr. Quackenbush serves as the President and Chief Executive Officer (CEO) of Golden Valley Health Centers (GVHC) in California’s Central Valley. As CEO, Mr. Quackenbush develops, prioritizes and provides direction and oversight for the organization’s vision, strategy, and growth focused on increasing access to high quality comprehensive health care services throughout the communities served by GVHC.

Mr. Quackenbush is a seasoned, nonprofit executive with 25 years of a successful record advocating for health care access and insurance coverage for low-income communities throughout California including health care reform (Affordable Care Act) and state and local public and private insurance programs. Mr. Quackenbush has led multiple community clinic and health center (Federally Qualified Health Centers (FQHC), Migrant Health Centers, Rural Health Clinics) organizations through growth and reorganizations resulting in expanded resources and staff capacity to fulfill the organizational mission.

As the Chief Strategy Officer for a regional FQHC in Northern California, Mr. Quackenbush led the development, execution, communication and sustaining of corporate success strategies and related initiatives and resources resulting in new site development, multiple private and nonprofit mergers and continuous growth in patient populations.

As the Vice President of Member Services for the California Primary Care Association (CPCA), Mr. Quackenbush guided the statewide nonprofit membership organization as part of Executive Team providing strategic visioning and leadership development for staff with 200 member agencies providing 5 million primary care visits to low-income families throughout California.

Prior to joining CPCA, Mr. Quackenbush was the Chief Executive Officer for the Central Valley Health Network (CVHN), a central California network of FQHCs and Migrant Health Centers providing 2.5 million primary care encounters to over 600,000 low-income families through 130 sites in 21 counties annually. CVHN was the largest network in California and the largest migrant health center network in the nation.

Mr. Quackenbush has consistently been an active member in both National Association of Community Health Centers (NACHC) and CPCA having served on the Board of Directors, Executive Committee and numerous policy committees and task forces.

Mr. Quackenbush had also previously launched his own consulting group, Quackenbush & Company, to assist organizations to maximize participation and success in the newly reformed managed health care delivery system through the Affordable Care Act and Medi-Cal expansion.

Mr. Quackenbush is a Governor appointee serving both the Governor Brown and Governor Schwarzenegger administrations as a Board Member of the California Partnership for the San Joaquin Valley which stimulates economic development and collaboration throughout California’s Central Valley.

Mr. Quackenbush is a proud graduate of California State University, Sacramento with a Bachelor’s Degree and attained his Master’s in Health Administration Degree from A.T. Still University.

Jennifer Henson

Ms. Henson is a Human Resources professional with more than 20 years of HR management experience working with health care organizations. She has proven to be an effective leader and communicator, committed to consistently delivering results through the development and implementation of sound Human Resources practices. During her tenure with GVHC, Ms. Henson has successfully updated multiple HR processes, enhanced benefit and compensation programs, expanded HR communication, and successfully negotiated multiple collective bargaining agreements. Prior to joining GVHC in October 2015, Ms. Henson served as Regional Human Resources Director for Vibra Healthcare – a nationwide specialty hospital system, where she oversaw Human Resources functions for more than 2400 employees working in nine hospitals and a regional business office in the West Coast Division. Ms. Henson has a Bachelor’s Degree in Human Resources Management and obtained her Master’s Degree in Organizational Leadership, with honors, from Fresno Pacific University. She has been certified as a Professional in Human Resources since 2001. Ms. Henson also serves on the Board of Hinds Hospice which serves the Central Valley. Ms. Henson’s experience managing the Human Resources needs of health care entities makes her an invaluable asset to the organization. Ms. Henson is married and in her free time likes to spend time camping and riding motorcycles with her husband, or listing to 80s music with her sons.

Gurjeet Sandhu

Ms. Sandhu has been an accounting and finance professional for about 19 years. During her tenure at GVHC, Ms. Sandhu is responsible for overseeing payroll, purchasing, accounts payable, accounting, financial analysis and billing. She has successfully updated payroll and accounting systems. In addition, she has updated various process within the finance and billing department including implementing electronic document management system. Ms. Sandhu has a Bachelor’s of Science in Business Administration with concentration in Accounting and minor in Computer Information Systems. She has also completed University of California San Francisco and Blue Shield Clinic Leadership Institute for Emerging Leaders program.

Jason West

Mr. West grew up on the Central Coast surfing and found his way to the Central Valley where he chose to pursue a BS in Chemistry with a minor in Biology. He worked as wine chemist for a number of notable wineries in both the Central Valley and Central Coast eventually taking classes in a PhD Chemistry program through the UC system. West has published several papers on organic synthesis and statistical thermodynamics. He has also held several teaching appointments in the Cal State and Junior College systems in the Central Valley. An interest in health was piqued by studying statistical methods to evaluate the effectiveness of healthcare models, which led to a Masters in Public Health and his involvement in a pilot project to address the needs of homeless citizens following discharge from local hospitals. The subsequent success of this program over several years and his contributions to Golden Valley Health Centers as a Board member made him the ideal candidate to launch the Central Valley PACE (Program of All-inclusive Care for the Elderly) program.

Wunna Mine

Mr. Mine is the VP & Chief Information & Strategy Officer for Golden Valley Health Centers where he oversee information technology for the organization. He has worked with community health centers for over 20 years. Prior to joining Golden Valley Health Centers, he served as CIO of Gardner Family Health Network in Santa Clara County. Mr. Mine has also worked as CIO for Camarena Health Centers in Madera County and was Director of Information Technology at United Health Centers in Fresno County. Additionally, he has served as Project Manager for IBM Global Services division supporting IT operations of Fortune 100 corporations. Mr. Mine has a Bachelor of Science degree in Computer Science from Kansas State University and a Master in Business Administration degree from California State University Fresno. Mr. Mine’s professional and community service includes serving on San Joaquin Community Health Information Exchange board, Manifest MedEx advisory board and CalHIVE (Health-Impact-Value-Engagement) Network advisory board.

Amy Collier Carroll

Ms. Carroll is deeply invested in the community and has enjoyed an extensive career history centered on service, through public sector communications and nonprofit leadership. She graduated from California State University, Stanislaus earning a bachelor’s degree in Organizational Communication, and is currently earning a Masters in Organizational Leadership at Gonzaga University. Over her 20+ years in Public Relations, Communications, and Organizational Development, she has focused on community building and continues to work on collective impact through nonprofit leadership and civic engagement in the community.

She is a Rotarian, and serves on several nonprofit boards, including the Stanislaus Family Justice Center, the Education Foundation of Stanislaus County and the Modesto Symphony Orchestra. She is a recipient of the Modesto Bee’s 20 Under 40 Award and the Stanislaus County Equal Rights Commission, Dale Butler Award. She was named one of the 2023 Women Leading Us Forward by Legacy Health Endowment and received a 2024 Outstanding Woman of the Year award from Senator Alvarado-Gil. Amy loves music, volunteerism, running, and traveling with her family.

Melinda Marshall

Melinda Marshall was promoted to the position of Vice President and Chief Operations Officer of Golden Valley Health Centers in 2022. Melinda began her career at the Center in 1987, as a front office receptionist. Having served as a patient account biller, front office supervisor, site administrator, center manager, and for the past seven years, as a Director of Operations. Her personal mission has always been to help the underserved population in our community and advocate for community health centers, promoting access to quality health care with no barriers.

Melinda loves to see others succeed, and has mentored many employees at GVHC into leadership positions. She has an extensive history of dedication and service to Golden Valley Health Centers, having been honored with the following recognitions:

Employee of the Year, 2004
Golden Valley Health Centers Hero Award, 2016
Employee of the Year, 2017
GVHC Legend Award, presented by GVHC Foundation, 2017

Melinda has attended Merced College, taking Psychology and Business Administration courses. She attended the Clinic Leadership Institute in 2016-2017 and is continuing her education with Grand Canyon University.

Dr. Villarama

Dr. Villarama’s medical journey began in the Philippines where he was inspired by both his grandmother, a traditional midwife, and his mother, who had hopes he would one day become a physician. As a child he developed a strong interest in medicine accompanying his grandmother on medical visits by the age of ten. While she delivered babies and attended to the sick, Dr. Villarama was by her side. He began his career at GVHC in July 2007 as a family physician in Merced, practicing full scope family medicine including hospital inpatient care. Five years later he was named Associate Medical Director. He then served as the Merced area Hospitalist Medical Director from 2013 to 2015, later transitioning into the role of Regional Medical Director. In May, 2022, he was appointed as the Vice President and Chief Medical Officer of GVHC. In addition to his work at GVHC he has served as a chief of staff for Dignity Health Merced Mercy Hospital, a delegate to the California Medical Association and President of the local Medical society. Dr. Villarama is also a founding board member of the Kids Discovery Children Museum of Merced.

His passion for healthcare and serving patients remains as strong as his commitment to GVHC’s mission of providing high-quality care through clinical services to all members of our community regardless of any barriers they may be experiencing. In his spare time, he enjoys spending time with his family and pet dog “ Hershey” and loves outdoor activities like hiking, road cycling and mountain biking.

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