Leadership can be lonely. A leader-to-leader cohort is a community of practice owners committed to becoming exceptional leaders where members learn together, challenge each other, share solutions, and grow stronger practices and teams.
Leaders need a group of peers to grow with who understand what it means to lead and how it feels to be in their position, helping them expand their perspectives through education and influence.
Coaching is the bridge between the leader you are and the leader your practice needs. While consultants focus on fixing systems, coaching focuses on the engine that drives those systems: You. We believe the greatest distinction between a mediocre and an exceptional practice is found in the mind of the leader. Experience the benefits of a mastermind group of likeminded peers and future-focused partnership that helps you uncover the beliefs, blind spots, and strengths shaping your leadership. It is the process of turning burnout into a breakthrough, bringing clarity, authenticity, and purpose back to your daily work.
Utilize the Leadership Circle 360 profile to gain an objective view of your leadership style, uncovering topics around leadership, culture, performance, team building, and communication.
Master the art of “courageous conversations” and feedback, building a framework where you can move forward confidently with like-minded peers.
Find fulfillment in long-term communities to learn with, develop, and support each other in times of accelerated and rapid change.
True transformation requires an honest starting point. As part of our individual coaching, we utilize the Leadership Circle 360° Profile.
This tool provides a comprehensive look at two primary domains:
Once your assessment is complete, you will meet with your coach for a deep-dive debrief. We will review your qualitative feedback, identify your “blind spots,” and create a Leadership Development Plan that serves as your roadmap for the months ahead.
Dr. Mac earned a B.S. in Chemistry from Midwestern State University in 1976 and a DDS from the University Of Texas Dental Branch at Houston in 1980. He is a Fellow in the Academy of General Dentistry and a Fellow of the International College of Dentists.
In addition, Dr. Mac completed a certificate program at The Naveen Jindal School of Business Of The University of Texas at Dallas in Executive and Professional Coaching. Dr. Mac has been a visiting faculty member at The Pankey Institute for over 25 years. He is currently serving as a member of the board of directors of The L D Pankey Foundation. He has been a speaker at numerous national and regional dental meetings. He is past chairman of the Southwest Dental Conference and The Annual Session Of The Texas Dental Association.
He partnered with his close friends, Dr. Joel Small, and Mrs. Pina Johnson to form Line Of Sight Coaching. Joel founded and led a super successful group endodontic practice for over 40 years and Pina is an experienced office manager of a multi location specialty practice group with over 40 employees and 11 endodontists for over 13 years. They are both certified professional coaches and extraordinarily talented. Dr. Mac is the published author of one book, “Unchanging Points Of Light”. It takes a deep dive into navigating our contemporary culture by relying on classical standards of truth that will get you through and past the many storms of our current volatile world.
Dr. Mac and his beautiful wife JoAnne live in Flower Mound,Texas with their dogs and many critters from the woods behind their home. They have five adult children, Ashton, Tiphanie, Raymond, Zach, and Aidan.
Pina Johnson is a Professional Certified Coach and seasoned Dental Practice Administrator with more than 20 years of experience in the dental field, including 18 years in practice management. She previously managed a multi‑office specialty practice in the Bay Area, overseeing more than 40 team members and 11 doctors. Her leadership experience gives her a deep understanding of the operational, cultural, and human complexities that dental practices face today.
Pina’s passion for developing people emerged through her work leading teams, ultimately inspiring her to pursue formal coach training through the University of California, Davis. After completing the UC Davis program, she went on to earn the Professional Certified Coach (PCC) credential from the International Coaching Federation—the global gold standard for coaching excellence.
She also holds certifications in the Leadership Circle Profile, Group Coaching Facilitation, and Team Coaching, equipping her to support leaders and teams with a blend of evidence‑based frameworks and practical, human‑centered tools.
A published author and sought-after speaker, Pina has presented on topics such as The Essence of Leadership, Work‑Life Integration, Internal Marketing for Dental Practices, and more. Her presentations are known for being engaging, actionable, and grounded in real‑world experience.
Pina is an active member of the Dental Speaking Consulting Network, Dental Entrepreneur Women, the International Coaching Federation, and the ICF Sacramento Chapter.
Dr. Joel C. Small is a retired clinical endodontist, Board Certified Executive Leadership Coach, entrepreneur, speaker, and the author of “Face to Face: A Leadership Guide For Healthcare Professionals and Entrepreneurs.”
He received his DDS and completed his residency in endodontics at the University of Texas School of Dentistry in Houston, Texas. He received his MBA, with an emphasis in healthcare management, from Texas Tech University. He is a graduate of the University of Texas in Dallas, Jindal School of Management, post-graduate program in executive coaching. In 2021, Dr. Small received his Team Coaching Foundations Certification from the Global Team Coaching Institute. He has studied with the Neuroleadership Institute and is trained in the neuroscience of leadership and brain based coaching.
Dr. Small is a co-founded several businesses including North Texas Endodontic Associates, Phase II Associates, a dental consultancy and brokerage firm located in Dallas, Texas, and Line of Sight Coaching, LLC.
Throughout his career, he has remained committed to his profession. He has served the American Association of Endodontists (AAE) as a member of numerous committees, including his service as a trustee of the Research and Education Foundation. He has also served the AAE as one of their national spokespersons. He is a past president of the Southwest Society of Endodontists. He is a nationally recognized speaker on the subjects of leadership and professional development.
Dr. Small is now retired from clinical dentistry and lives in the foothills of Golden, Colorado, where he and his wife, Brenda, enjoy hiking, traveling, and fly fishing in majestic mountain streams. He continues to maintain an active coaching practice and speaks often at dental meetings throughout the country.
