Garret Biss is a retired Marine Corps pilot, author, and transformational speaker dedicated to helping individuals and organizations unlock the full potential of their veteran and civilian workforce through resilience, purpose, and leadership. With a career rooted in service and a passion for human performance, Garret blends his military discipline with the science of positive psychology to empower teams to thrive under pressure and lead with authenticity.

During his distinguished military career, Garret learned the power of mental toughness, adaptability, and mission-focused leadership principles he now translates into practical strategies for personal and professional success. His message resonates deeply with organizations seeking to improve engagement, strengthen culture, and support their teams through transition and change.

As the founder of Diamond Mind, LLC, Garret provides speaking, coaching, and development programs that promote emotional intelligence, connection, and resilience. His work has made a measurable impact in higher education, human resources, recovery communities, and veteran support networks, helping countless professionals turn challenges into opportunities for growth.

Beyond the stage, Garret is a committed advocate for mental health and personal development. Through his writing, training, and community initiatives, he continues to inspire others to live with purpose, compassion, and courage no matter what mission they’re on.