

My Thoughts
Performance excellence can be both challenging and demanding — I'm here to help you navigate those pressures and lighten the mental load that comes with high-level competition.
As a committed and transparent professional, my fundamental priority remains the comprehensive well-being and sustained success of every client I serve. I deliver proven capabilities, adaptive methodologies, and scalable solutions designed to meet your unique and evolving performance needs. Since 1994, I have had the privilege of serving athletes across professional, collegiate, and Olympic sports, empowering them to not only excel in their respective disciplines but also to flourish in all aspects of their personal and professional lives.
My approach centers on building authentic partnerships with athletes, coaches, and organizations, recognizing that peak performance extends far beyond physical preparation. Through evidence-based mental skills training and personalized support strategies, I work collaboratively to develop the psychological resilience, focus, and confidence necessary for sustained excellence at the highest levels of competition.
Mental Skills and Mental Health Services
Performance optimization and psychological well-being




Injury Rehabilitation
A Comprehensive Approach
Peak Performance
Expert Guidance
Team Bonding
The Path to Success
Dr. Donald Kalkstein, LPC, CMPC
Dr. Kalkstein is a distinguished authority in sports psychology and mental performance consulting, recognized globally for his work with elite athletes and professional organizations. With more than three decades of expertise spanning professional, Olympic, and collegiate athletics, he has delivered specialized mental skills training to accomplished athletes across diverse sporting disciplines.
Currently, Dr. Kalkstein holds the position of Director of Mental Skills and Mental Health for the Dallas Mavericks and serves as an Advisor to the Texas Rangers. His dual credentials as a Licensed Professional Counselor (LPC) and Certified Mental Performance Consultant (CMPC) represent a distinctive combination of clinical proficiency and performance optimization expertise.
Dr. Kalkstein is the founder and principal of Think2win, a specialized consulting firm dedicated to enhancing athletic performance through evidence-based mental skills training, leadership development, and comprehensive wellness strategies for athletes, teams, coaching staff, and organizational leadership.
Beyond his professional team affiliations, Dr. Kalkstein serves as Director of Mental Skills Training and Adjunct Professor in the Psychology Department at Southern Methodist University (SMU), while also providing mental performance consulting services for the LPGA Tour.
