Meet Our Team

Brianna Henderson - CEO

Brianna began as a social worker in Tucson 6 years ago and in 2016 opened Harmony Hospice.
She has become a leader in the community by delivering innovative hospice and palliative care. She has built an agency that offers not only alternative therapies in aging, but champions community education on the needs of aging adults in Tucson.

She leads her team by example. She is dedicated to delivering individualized care to patients and their families as they face a serious or terminal illness.  She works collaboratively with healthcare providers across the community to improve quality of care and the hospice experience in general. 
Also, a passionate advocate for people living with Alzheimer’s and Dementia. Brianna currently holds a position with the Regional Leadership Council of the Southern Arizona Chapter of the Alzheimer’s Association. She is Also a member of National Association of Women Business Owners (NAWBO).

Brianna holds a bachelor’s degree in Psychology from the University of New Hampshire and a master’s degree from Arizona State University. She is a Licensed Master Social Worker (LMSW).

Daniel Casto, MD

Dr. Daniel Casto completed medical school at Jefferson Medical College in Philadelphia, Pennsylvania. He completed his family medicine residency and teaching fellowship at the University of Arizona.

Dr. Casto has a wide range of experience including maternity care, office surgeries and international medical work. He sees all ages of patients and especially enjoys babies, children and adolescents. Dr. Casto returned to Tucson after most recently working at a solo family practice in Philadelphia.

He enjoys caring for the underserved and in the past worked at St. Elizabeth of Hungary Clinic and directed refugee health screenings for Pima County. Outside of work he enjoys running, hiking, bicycling and gardening with his wife and 4 children. He is bilingual in English and Spanish. Dr. Casto began working as the Hospice Medical Director in September of 2019. He accepted the position because he shared common goals and beliefs about what patient care should be and saw an opportunity to help the growing elderly community here in Pima County.

Debra Ohman

Debra has been the Director of Nursing for Harmony Hospice since 2019. She is a proud mother of two with two wonderful grandchildren. Also, a very happy mother to two very large German Shepherds!

Debra began in the health field as an Aide way back in the day in Minnesota, where she is originally from. Since then, she has become an RN with a bachelor’s degree in Organizational Management and Communication. Debra now has over 40 plus years or nursing experience. She has worked everywhere from hospitals, Skilled Nursing Facilities, Advocacy, Insurance NSG, to more recently Home Care and Hospice. She has lived in Arizona since 2012 and is a welcome addition to the team!

Murray A. Flagg

Murray Flagg was born in Colorado Springs, Colorado, the first child of an itinerant chef father and a stay-at-home mother. Following his family’s transient lifestyle, he spent his first eighteen years moving throughout the United States, constantly adjusting to new schools and new surroundings. As an adult, Murray continued this vagabond lifestyle as a minister in The Salvation Army, a vocation that led him to serve in various places throughout the United States and Europe.

During these years of ministry, Murray earned his bachelor’s and Master’s degrees and pursued other avenues of service through local parish work and teaching. Completing his educational goals, Murray earned his PhD in the theology of human resource management and development, preparing him for teaching and consulting work in Southern California, Georgia and Colorado.

Now happily settled in Arizona, Murray continues his ministry vocation, sharing the desert life with his beloved wife, Deborah and their children Carly, Michael, Dave and granddaughter Zoe. Since settling in Tucson. He has studied to become a Shamanic practitioner and is always seeking new avenues for ministry through counseling, teaching and mentoring. His current work includes studies in energy and sound healing and completing a certification in Reiki.