Meet Our Expert Team

Founders

Dr. Lindsy Wagner
Co-Founder
Michael DelGiacco
Co-Founder
Dr. Lindsy Wagner
Co-Founder
A neuropsychologist who built Island Therapy Solutions into one of the Caribbean's largest practices and helped pass the U.S. Virgin Islands' first mental health legislation. She also founded Coral Reef Academy, the region's first school for children with autism.
Michael DelGiacco
Co-Founder
Michael has led as a corporate CFO and founder in healthcare and wellness, with earlier years at GE Capital and in Wall Street's fintech, mortgage, and lending sectors. He pairs financial skill with an entrepreneur's instincts, and stays active as an advocate for mental health and youth empowerment.

Executives

Ben Williams
Co-CEO
Kelli Grant
Co-CEO
Dr. Phoenix Adams
Chief Clinical Officer
Ben Williams
Co-CEO
Ben built his career in operations and organizational management, most recently as Director of Operations for a behavioral healthcare law firm. Before that, he was Executive Director of Caron Florida, part of the Caron Treatment Centers network, where he expanded the continuum of care, launched Caron's first mental health PHP program, and helped open The Keele Center, a 100,000-square-foot, 40-bed facility offering detox, residential treatment, PHP, IOP, and neurocognitive care. His background spans sales, operations, HR, and financial modeling. Ben holds an MBA from Bellevue University and a BA in communications and economics from Roger Williams University.
Kelli Grant
Co-CEO
Kelli brings two decades of clinical and leadership experience spanning IOP, PHP, and residential treatment. She spent thirteen years at Caron Treatment Centers, most recently as Vice President of Patient Experience and Revenue Operations, where she helped shape a new medical center's care pathways and strengthened its work with referring professionals. She holds a Master of Science in Counseling from the University of Kentucky and a Bachelor of Science in Psychology from Florida State University, and leads with clear communication and a commitment to treating every family with compassion and respect.
Dr. Phoenix Adams
Chief Clinical Officer
Dr. Adams brings 20 years of clinical and executive leadership in mental health and substance use treatment. A licensed psychotherapist in multiple states, he specializes in PTSD, depression, anxiety, and family concerns, with a focus on grief, loss, and bereavement as a Certified Grief Counselor. His trauma-informed, family-focused approach draws on deep experience working with executives, professionals, and high-performing individuals and families. Dr. Adams holds a Master of Social Work, an MBA, and a Doctor of Social Work from Florida Atlantic University, and has presented his doctoral research in London, Toronto, and Dubai.

Our Clinical Department

Dr. Sophia Parilla
Clinician & Intake Specialist
Sheryl Serano Griffith, LCSW
Lead Clinician
Xiomara Sanchez
Clinician
Dr. Sophia Parilla
Clinician & Intake Specialist
A social worker turned clinical psychologist, she blends compassion with clinical training to give client-centered care. Has worked with Catholic Charities of the Virgin Islands and the Department of Human Services.
Sheryl Serano Griffith, LCSW
Lead Clinician
Uses cognitive-behavioral therapy, motivational interviewing, and reality therapy through a multicultural lens, helping clients build the skills for lasting independence and recovery.
Xiomara Sanchez
Clinician
A licensed professional counselor with 15 years across substance use programs, outpatient clinics, and psychiatric hospitals. Focuses on depression, anxiety, trauma, and eating disorders.

Our Medical Department

Dr. Ken Sonnenschein, MD
Psychiatrist
Dr. Beth Anne Joseph
Medical Director
Kristen Lee
Lead Registered Nurse
Dr. Ken Sonnenschein, MD
Psychiatrist
Board-certified in general and child & adolescent psychiatry. Former Department Chair at St. Elizabeth Medical Center and Medical Director at Menninger Kansas City.
Dr. Beth Anne Joseph
Medical Director
A board-certified emergency medicine physician, Dr. Joseph earned her medical degree from Mount Sinai and completed her residency at the University of Connecticut, later training younger physicians in academic emergency medicine. She served as Chief of Emergency Medicine at Governor Juan F. Luis Hospital, leading operational and quality improvements. That background now shapes how she directs care at Prospect Hill, from mental health and substance use concerns to clients' routine medical needs. She has lived on St. Croix with her family for over nine years.
Kristen Lee
Lead Registered Nurse
13 years in intensive care across California, Washington D.C., and the U.S. Virgin Islands. Leads evidence-based detox protocols and administers IV infusion therapy for safe withdrawal and recovery.

Administrative Department

Bianca Miliner
Program Coordinator
Wendy Keeler
Wellness Director & Head of Recovery Services
Elisabeth Gabriel
Client Care Concierge Supervisor
Bianca Miliner
Program Coordinator
11 years in patient advocacy and operations leadership. Certified in HIPAA, OSHA, and First Aid/CPR, with deep experience across EMR/EHR systems.
Wendy Keeler
Wellness Director & Head of Recovery Services
Wendy has worked in St. Croix's recovery and wellness community since 2006, after leading community outreach in the Northern Virginia/DC area starting in 2000. She built out Prospect Hill's senior, youth, and family wellness programs and community health events, and focuses on lifestyle tools that support mental health and lasting recovery. Off the clock, she's an actor and board member with the Caribbean Community Theatre and a regular with the St. Croix Firewalkers.
Elisabeth Gabriel
Client Care Concierge Supervisor

Culinary & Nutrition

Ken Biggs
Executive Chef & Head of Nutrition
Mike Matthew
Executive Chef
Troy Williams
Executive Chef
Ken Biggs
Executive Chef & Head of Nutrition
A Maine native, Chef Biggs trained across every station of a country club kitchen and built a 30-year career that took him through Cape Cod, Nantucket, New York, and Colorado before he settled on St. Croix in 2010. Named to Best Chefs of America and a Taste of St. Croix winner, both in 2012, he uses local ingredients and bold spice work to build health-conscious menus. Off duty, he's a PADI-certified dive instructor and holds a USCG 50-ton master captain's license.
Mike Matthew
Executive Chef
Troy Williams
Executive Chef

Wellness Leaders

Cynthia Williams
Wellness Leader
Akelam Romain
Facility Manager & Wellness Leader
Niyosha Aldonza
Wellness Leader

Wellness Leaders

continued
Aubrey Drummond
Wellness Leader
Sedrika Sargeant
Wellness Leader
Halee Peters
Wellness Leader

Wellness Leaders

continued
D’Shawna Biggs
Wellness Leader
Howard Peters
Wellness Leader
Ifa Inuka
Wellness Leader
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