Our Team

Celine Regalia , MSW, MA CCC-SLP

Celine Regalia, MSW, MA CCC-SLP

Executive Director

Celine was appointed Executive Director of Collabria Care following the retirement of Linda Gibson in January 2019. In her previous role of Director of Operations, she was responsible for new program development and implementation and evaluation of cross organizational processes while overseeing Human Resources, Volunteer Services, Facilities and Medical Records departments, along with the Day Program. As Program Director, Celine was instrumental in building our innovative, award-winning Collabria Day Program, which she headed for over 20 years. She has successfully developed collaborative partnerships with local community organizations, expanded outreach and community education programs. Celine holds a master’s degree in Medical Social Work, as well as both a bachelor’s degree and master’s degree in Speech Pathology from California State University at San Jose.

Carol Williams, BSN, MS

Carol Williams, BSN, MS

Clinical & Community Outreach

Carol Williams joined the NVHADS team as Director of Outreach & Access in 2010. She is currently responsible for managing Collabria Care’s outreach to clinical and community organizations in Napa County. Prior to this, she was the director of Palliative Services. She also provides leadership for the Hospital to Home program based at St Helena Hospital Napa Valley and is one of the founding members of Honoring Choices Napa Valley, an advance care planning coalition. Professional interests include patient advocacy and informed consent as well as quality of life (at any age). Carol obtained her BSN and MS degrees from Florida State University and her graduate thesis studied the effects of social support on adherence to a cardiac rehabilitation regimen.

Jennifer McConnehey

Director of Philanthropy


Erika Tavakoli

Director of Development Operations


Jill Wood, MSW

Program Director and Social Services Manager,
Collabria Day Program


Paul Desmond Sweigert, MD, FACP

Paul Desmond Sweigert, MD, FACP

Medical Director
Collabria Care

Dr. Sweigert is Board Certified through the American Board of Internal Medicine and is a Fellow of the American College of Physicians. He is in solo private practice in internal medicine in Napa, is active in medical staff affairs at the Queen of the Valley Hospital and is a Steering Committee Member of Honoring Choices, Napa Valley. He monitors the progress of participants in both Collabria Care Alzheimer’s Services and Chronic Condition Services and oversees the care of all participants in the Collabria Day Program.

 Elizabeth Durkin, MD

Greg Miller, MD

Medical Director
Collabria Hospice

With 20 years experience in hospice care and 12 in palliative care, Collabria Care Hospice & Palliative Services Medical Director Dr. Greg Miller brings an exceptional level of expertise to the organization’s hospice and palliative care services.

Before joining Collabria Care, Dr. Miller was medical director of palliative care for the Urban Central Region of Intermountain Healthcare, a 500-bed facility in Salt Lake City, UT. He also served as a hospice physician for Quality Hospice and an adjunct associate professor at the School of Medicine at the University of Utah.  Prior to that, he worked as medical director for other hospices in the Salt Lake City area, as well as the hospice physician for the largest oncology practice in Utah. He was also the first physician in Utah to be board certified by the American Board of Hospice and Palliative Medicine.

Dr. Miller now oversees care for all hospice and palliative care patients, working closely with the Collabria Care teams and patients’ primary physicians. He is also working on new, innovative ways to make these services more accessible.

Highly skilled and dedicated staff and volunteers

Collabria Care and Collabria Hospice also has a well-trained and experienced staff of nurses, therapists, social workers, spiritual care providers, case managers, home health aides and volunteers who have found their calling in caring for those who are facing the transition of aging, learning to live with chronic conditions or facing the end of life.