About Us

Tranquil Horizon Behavioral Health Consulting is a department of Tranquil Horizon Health & Wellness of Central Texas. At Tranquil Horizon, we believe that chronic illness care should address more than symptoms it should support the whole person. We are a Texas-based behavioral health consulting firm founded in 2023, specializing in integrative, strategies that help both healthcare providers and individuals navigate the emotional and behavioral challenges of chronic conditions & more.
We partner with medical clinics, hospitals, and behavioral health organizations to enhance care delivery through behavioral health integration, patient-centered education, and strategic consulting. In addition to our organizational work, we also support individuals living with chronic illness and other health concerns through virtual and in-patient support coaching, self-regulation tools, and emotional wellness programs.
Whether you’re a provider seeking to improve patient outcomes or a patient managing a health condition, Tranquil Horizon offers practical, compassionate support rooted in behavioral science.



Our Leadership Team
Tawana McCou is a Doctor of Psychology candidate specializing in Behavioral Health Leadership, holds a Master’s degree in Health Psychology and Bachelors in Healthcare Management. She also studied Epidemiology and Biostatistics curriculum from Johns Hopkins Bloomberg School of Public Health. With a powerful dual focus on behavioral health systems and chronic illness care, she helps clinics and hospitals integrate evidence-based health behavioral strategies into medical settings. Her work stem from over 20 years in clinical and healthcare operations along with bridging health psychology, leadership, and real-world including full application operation empowering both healthcare teams and the patients they serve. Tawana is the Executive Director, Lead Consultant and Strategist of Tranquil Horizon Health & Wellness of Central Texas all internal & external site-operations with focus of integrative care for patients with chronic conditions, autoimmune disorders, and psychosocial needs.
Professional Honors & Affiliations
Multiple Honors including:
Psi Chi Psychology Honors Society
Upsilon Phi Delta Health Management Honors Society among others.
Affiliations:
Society for Health Psychology - Division 38
National Register of Health Services Psychologist - Associate
American Psychological Association
Society of Psychologist in Leadership
Complementary Therapists Accredited Association
National Academy of Future Physicians and Medical Scientists - Alumni

Tawana McCou, PsyD(c), MSc. Health Psychology
Doctoral Candidate | Behavioral Health Executive Director Consultant | Health Psychology Specialist
Jasmine Taylor serves as the Executive Administrative Assistant at Tranquil Horizon Health Behavioral Services, supporting day-to-day operations with professionalism, precision, and care. With a background in healthcare administration and over a decade of executive-level support experience, Jasmine plays a critical role in maintaining seamless communication between our leadership team, clients, and healthcare partners.
Her responsibilities include coordinating all executive communications, managing client interactions, and preparing internal and external documents for our healthcare and consulting partners. Jasmine expertly handles scheduling, meeting coordination, and travel itineraries, ensuring our team remains organized and efficient.
In addition to her operational role, Jasmine also leads the planning and logistics of Tranquil Horizon events, from community outreach and fundraising activities to staff appreciation initiatives. She maintains a high level of confidentiality, professionalism, and discretion while keeping our internal systems structured and secure.

Jasmine Taylor
Executive Administrative Assistant
Dr. Aaliyah Benton brings over 15 years of experience in clinical program leadership, mental health systems design, and care coordination across both inpatient and outpatient settings. As the Clinical Services Integration Director at Tranquil Horizon, she oversees the strategic alignment of behavioral health therapy models with Tranquil Horizon Health Behavioral Services, Trusted Therapy Partners Network.
Holding a PhD in Counseling Psychology and licensure as a Licensed Professional Counselor Supervisor (LPC-S), Dr. Benton ensures that our partnered therapy solutions remain grounded in ethical, trauma-informed, and culturally responsive practices. She also provides clinical guidance and oversight for internal program development, ensuring person-centered, evidence-aligned services that honor each client’s lived experience.

Dr. Aaliyah Benton, PhD, LPC-S
Clinical Services Integration Director
Marcus D. Harlan serves as the Business Operations Supervisor at Tranquil Horizon Health Behavioral Services, where he oversees the administrative, financial, and logistical functions that keep Tranquil Horizon Health & Wellness departments running smoothly. With a background in healthcare operations and organizational development, Marcus brings a systems-oriented mindset to support quality assurance, scheduling coordination, and internal project execution.
In his role, Marcus ensures our internal processes align with our mission of delivering high-quality services across Texas. He manages vendor relationships, monitors service metrics, supports regulatory documentation, and works closely with leadership to scale sustainable solutions for both clinics and individual clients.

Marcus D. Harlan
Business Operations Supervisor
Behavioral Operations Team
Behavioral Health Representative
Recruitment/Onboarding Specialist
Training and Development Coordinator
Medical Records and Expenses Analyst
Accounts Payables/Receivables
Human Resources (HR) Manager
Behavioral Health Licensed Counselor & Consultant
Some leadership roles listed on this site represent upcoming positions planned for future expansion..