Senior Staff

Amanda Atkinson is Managing Director of Child Development and Family Services, overseeing program operations for a portfolio of early learning programs including PHLpreK Administrative Intermediary, PHMC’s Pennsylvania Pre-K Counts, Building Early Links for Learning, and ChildWare. The Child Development and Family Service programs seek to improve education, health and the mental well-being of young children, families and the early learning workforce. Prior to her tenure at PHMC, Amanda held positions in informal education program impact evaluation and business software user experience research.

Amanda has presented at a number of conferences and forums on the topics of improving quality, reducing risk and injury, and best practices for early care and education for children experiencing homelessness. She was a Sorenson Innovation Fellow at the David Eccles School of Business, University of Utah; a Pennsylvania Education Policy Fellow at the Institute for Educational Leadership; and holds a certificate in Nonprofit Executive Leadership from Bryn Mawr College. Amanda holds a Bachelor of Arts in Anthropology, a Master of Fine Arts in Museum Exhibition Design, and a Master of Public Health.

Dinetta Armstrong is Managing Director of Specialized Health Services, overseeing PHMC’s six Federally Qualified Health Centers, Health Care for the Homeless, and Social Services programs. She is responsible for cultivating new business opportunities for the organization to ensure growth, progress and expansion. She works to integrate primary health care and behavioral health care services across the health network, working to maintain and improve standards of care, customer service and service excellence within business units.

Prior to her role at PHMC, Dinetta served as the Departmental Executive Officer/Administrator at Howard University Hospital’s Departments of Dentistry, Dermatology and Ophthalmology where she provided financial, operational and administrative oversite as well as led the implementation of new systems. She also held previous positions at Aquacap Pharmaceutical, A.I. DuPont Hospital for Children, Temple University and Manor Health Care Service, Inc.

Dinetta earned her bachelor’s degree in Health Policy and Administration from Pennsylvania State University and a master’s degree in Health Care Administration from Temple University.

Mike McCain is Chief Information Officer, overseeing Information Technology (IT) operations, systems design, technical services and data center management, with a goal of providing a solid infrastructure for the PHMC enterprise. He works with leadership, PHMC programs and subsidiaries to provide innovative IT solutions that drive business forward and promote the use of technology to serve our communities more effectively.

Mike is a proven technology leader and technical manager who provides technology strategy and development in health care environments. Mike's experience is unique across many specialties, ranging from technical project planning and implementation, infrastructure design, application selection and implementation to data discovery for large organizations focused on improving productivity and results.
Mike comes to PHMC from Lantium where he worked as Vice President of IT Consulting Services and "Virtual CIO" across a number of different organizations. Since 2000, Mike has held various IT positions including: Network Engineer Project Manager, Director of Professional Services and Chief Technology Officer.

Mike received a degree in Business Management from Shippensburg University and went on to obtain multiple technical certifications, including MCSE, MCITP and MSCTS.


Angie Alomar Gilbert headshot 2

Angie Alomar-Gilbert is Senior Advisor of Substance Use Prevention and Care. Angie supports the development of the vision for the organization’s integrated substance use disorder program framework, from prevention to treatment, recovery and return to wellness. Angie is a key part of the leadership team working alongside funders and community partners to ensure PHMC’s positioning on substance use disorder, and in particular opioid use disorder, is responsive and action oriented.

With more than 25 years of service, Angie previously managed community-based outreach programs that serve more than 15,000 individuals and families annually. She also previously served as the program director of PHMC subsidiary, Interim House West, a residential treatment program for women with substance abuse and behavioral health issues. Prior to joining PHMC, Angie worked as a pediatric nurse with Children’s Hospital of Pennsylvania and holds specialty certifications in infertility, pediatrics and psychiatric nursing.

She earned a B.S.N. from Pennsylvania State University and is an active member of the National Hispanic Nurse’s Association.


christina miller hps 

Christina Miller is Managing Director of Health Promotion Services, overseeing the strategic growth and development of health promotion programs and services across Health Promotion Services, including PHMC subsidiary, Health Promotion Council. She brings 15 years of nonprofit public health and social services experience in improving the health of vulnerable populations including women, children and immigrants. Prior to joining PHMC, Christina worked in the philanthropic sector supporting breast cancer programs and research in obesity and metabolic syndrome. She also brings previous experience managing a multi-state, anti-human trafficking initiative and providing in-home case management services to high-risk children. Her combined experience of working directly with individuals and families impacted by health disparities, grant making in the field of health, and finally in developing and overseeing programs intended to improve health gives her a unique and robust ability to understand both individual- and family-level needs and systems-level solutions.

Christina earned a master’s degree in Social Services from Bryn Mawr College Graduate School of Social Work and Social Research, and a B.S. in Business Management from Saint Joseph’s University.