Meet the Team

Shawn Whitt is a United States Marine Corps veteran who deployed throughout Asia and earned a place on the Marine Corps Boxing Team. His military service instilled discipline, resilience, and a servant-leadership philosophy that continues to guide his life and career. A passionate supporter of hand-to-hand combat sports and University of Tennessee athletics, Shawn brings the same competitive spirit to both his professional and personal life. Above all, he is a devoted father to two sons and a daughter—his greatest source of pride and motivation.

For more than a decade, Shawn has built and led treatment centers in Southern California and Tennessee, including serving as CEO of Milestone Addiction Centers. He is dedicated to creating healthy, empowering organizational cultures and believes great companies are built through servant leadership and purpose-driven values. His philosophy, “movement is medicine,” reflects both his Marine Corps roots and his belief in science-backed recovery approaches.

Shawn holds a degree in Business Administration from Vanguard University of Southern California and completed Certified Financial Planning coursework at Pepperdine University. Today, as CEO of Trifecta Healthcare Institute, he leads a program designed exclusively for men—built for men, backed by science, and driven by recovery.

Lee Sloan is a United States Marine Corps Staff Sergeant (Veteran) whose service instilled the discipline, resilience, and servant-leadership mindset that define his life and work. Following his time in the Marines, Lee served as an Oak Ridge Police Officer, receiving advanced SWAT and FBI hostage-negotiation training. These experiences shaped his belief that every man deserves a second chance and the strength of a supportive team.

With more than two decades of leadership in health and personal transformation, Lee has inspired thousands—first as President of National Fitness Center, then in the behavioral-health field as co-founder of Trifecta Healthcare Institute. At Trifecta, he helps men find hope, structure, and lasting change through programs that combine evidence-based therapies, physical fitness, outdoor activities, and true brotherhood.

A martial arts Master Rank holder, Lee lives the philosophy that movement is medicine and that healing begins with purpose, discipline, and community. He also serves on the Tennessee State Workforce Development Board, advancing initiatives that strengthen families, expand career opportunities, and empower communities. Above all, he values his role as a father, finding joy and motivation in time spent with his children.

Brittany Astrom is a Licensed Marriage and Family Therapist with over 17 years of experience in mental health and substance use treatment. She earned her master’s degree in Marriage and Family Therapy from California Baptist University in 2008 and has been licensed for more than 13 years. Her career spans inpatient psychiatry, outpatient programs, residential treatment, PHP, and IOP settings.

Brittany has supervised associate therapists and social workers for over a decade and works in compliance and auditing to ensure treatment centers meet the highest standards of care and billing regulations. She is passionate about mentoring students and interns, shaping them into confident, well-rounded clinicians.

At Trifecta, Brittany focuses on men’s issues, guiding clients toward vulnerability, strength, and healing in a safe and supportive environment. Outside of work, she enjoys traveling, exploring local coffee shops and restaurants, working out, watching ice hockey, reality TV, and spending time with her husband and two young sons.

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With over 12 years in the behavioral health industry, Erik Shockley has developed expertise in operations, business development, and admissions. He draws on his own 12 years of personal sobriety to inspire and guide others on their recovery journey, blending professional knowledge with heartfelt dedication.

Erik is committed to creating pathways for individuals seeking help, ensuring that every person has access to compassionate, effective care. Outside of his professional life, he is a devoted husband and father who enjoys sports, fitness, cooking, and sharing meals with family and friends.

David William is a U.S. Army veteran who honorably served for 12 years, completing multiple combat deployments and holding various leadership roles while graduating from several advanced leadership schools. He earned his bachelor’s degree in Criminal Justice and brings the same discipline and commitment from his military service into every aspect of his professional and personal life.

A dedicated family man, David is the proud husband to his wife and father to one son and two daughters. Beyond his professional achievements, he has a strong passion for Brazilian Jiu-Jitsu, where he once competed and still actively trains as part of his commitment to lifelong growth and discipline.

Professionally, David previously served as Chief Operating Officer for a company specializing in interventions, safe transport, and sober companion/coaching services. Today, he is grateful to continue his mission of service at Trifecta Healthcare Institute, where he plays a key role in advancing the philosophy of movement as medicine—helping clients harness physical activity as a powerful tool for recovery and wellness.

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