Our Leadership

Dr. Joshua Carzoli
Chief Executive Officer

As the CEO of Marana Health Center, Healthcare, Dr. Joshua Carzoli has passion for population health with the strong belief that community health centers provide optimal patient care. Josh has a Doctor of Pharmacology from the University of Arizona and obtained a Master of Business of Administration from Western Governors University. Dr. Carzoli has a Board of Pharmacy Specialties Certification in Ambulatory Care. Josh loves to spend time with his family, he and his wife, Lisa, have two children.

Christopher Oben
Chief Operating Officer

Christopher Oben has been with MHC Healthcare since January 2008. Mr. Oben has over 40 years’ experience in medical operational management in medium to large multi-specialty medical practices and community health centers. His experience includes 23 years in Military medicine, three years in private medical practices, and fifteen years in a community health center setting. Mr. Oben has been MHC’s Chief Operating Officer since 2013, and has experience in all areas of community health centers executive leadership including operations management, finance and budgeting, clinical services, facility construction and maintenance, and staffing.

Tamie Olson Chief Financial Officer

Tamie Olson
Chief Financial Officer

Tamie Olson has a Bachelor’s Degree in Business Administration with a focus in accounting and over thirty years’ experience in Management and Accounting. Her experience includes FQHC’s, not for profit healthcare, governmental organizations, and for-profit private sector organizations. Tamie has extensive experience building and optimizing organizational processes, measurement systems and infrastructure to maximize healthcare financial and clinical business results. She also has extensive experience in healthcare and operational technologies.

Jenitza Serrano-Feliciano, MD, FAAFP, MBA
Chief Medical Officer

Jenitza Serrano-Feliciano, M.D., has been with MHC Healthcare since 2012, providing primary care services to the Marana Community. She completed her residency program at the University of Texas Health Science Center in San Antonio, TX, and is currently Board Certified in Family Medicine. Dr. Serrano-Feliciano has completed many professional presentations to include family medicine and residency national conferences as well as televised interviews regarding different health issues. In 2012, Dr. Serrano-Feliciano was appointed as CMO for Marana Health Center and is responsible for the clinical oversight to include thirteen delivery points of service located throughout Pima County, including the Marana Main Health Center in Marana, AZ. In addition to her leadership responsibilities, Dr. Serrano-Feliciano currently chairs the Medical Executive Committee as well as the Quality Improvement Committee.

Luis F. Velasco
Chief Information Officer

Luis F. Velasco has been with MHC Healthcare since August 2010. As CIO, he is responsible for the continuous implementation of MHC’s Electronic Medical Records systems. He has a Master’s of Science in Computer Information Systems and over twenty five years’ experience managing and improving Technology and Informatics in different organizations. In the last year, Mr. Velasco has been working to integrate MHC’s system with MHC partners and establishing quality measures oriented towards attaining Meaningful Use, Accountable Care Organization, Medical Home and Uniform Data System accreditation.

Jon Reardon, MBA, MSW, LCSW
Chief Behavioral Health Officer

Jon Reardon has been a proud member of the MHC Healthcare leadership team since 2013. Jon has been providing and overseeing the delivery of mental health services since graduating with a BS in psychology from the Penn State University in 1994. Jon went on to graduate Summa Cum Laude from both Arizona State University with a Master of Social Work, as well as from the University of Arizona with a Master of Business Administration. Over the course of his career, Jon has had the honor of serving children, adults, and families at various levels of care including residential treatment, therapeutic foster, and outpatient treatment services. Jon has had the privilege in overseeing quality treatment teams in delivery of high quality mental health and substance use treatment services to the community members of southern Arizona since arriving here in 2001.

Amy Guillory, MS-HRM, SHRM-CP
Chief Human Resources Officer

Amy Guillory holds a Master’s degree in Human Resources Management and over 17 years of HR experience in non-profit and for-profit organizations in a variety of industries, with a majority in healthcare. She is a Society for Human Resources Management Certified Professional (SHRM-CP) and is certified in Coaching for Engagement and Performance. Amy has extensive experience as a Full-Cycle Strategic Business Partner focused on Recruiting, Onboarding, Benefits, Employee Relations, Leadership Coaching, Wellness, Innovation and Technology, as well as Continuous Policy and Process Improvement to optimize outcomes across the organization. Her Coach-Approach Leadership exemplifies her dedication to ensuring MHC continues to be a “Great Place to Work” for All Employees.

Matthew Reeder
Chief Compliance Officer – General Counsel

Matthew Reeder has been with MHC Healthcare since 2017. In his current role, Matthew is responsible for monitoring, overseeing, and managing legal and compliance issues within the organization. He holds Juris Doctor (JD) and Master of Public Administration (MPA) degrees and is a member of the State Bar of Arizona. He is also Certified in Healthcare Compliance (CHC) and Certified in Healthcare Privacy Compliance (CHPC) by the Health Care Compliance Association.