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Meet Your Coaches
Keith Ray Mackie
As an Avery Clinician and NCI Coach, Mackie draws on 35 years of experience helping hundreds of people move beyond limiting mindsets and build more purposeful, fulfilling lives. Using neuro-cognitive and behavioral methods, he guides individuals toward lasting personal change, greater confidence, and emotional clarity. Mackie has also spent 25 years advising professionals and executives on communication and interpersonal effectiveness.
Nick Karvon
Nick Karvon is an Avery Clinician, has obtained the highest level of certification from NCI (NCI-4 Author) and is a graduate of Chase Hughes Black Course. A former studio musician turned entrepreneur, Nick is no stranger to the pressure and high demands of those who seek top level success, and the mindset required to do so. As the author of “Vanishing Parent,” Nick has dedicated his life and skills to helping alienated parents
reconnect with their kids, heal, and return to a life of peace.
Rosie Hayer
Rosie Hayer is an NCI Graduate School Coach and Avery Clinician who helps students translate what they're learning in Grad School into real-world results — particularly in high-stakes conversations, negotiations, and the moments where influence matters most. She has a sharp eye for the behavioral patterns and blind spots that quietly cost people outcomes. Her direct, warm coaching style makes the shifts feel natural rather than forced. If the way people respond to you — in the field, in the pitch, in the room — is where you want to see change, Rosie is the coach to work with.
Michael Cullen
Michael Cullen is a certified Avery Clinician and an NCI Coach and Instructor specializing in behavior profiling, authority, and influence. After a 26-year career in Information Technology, he transitioned into coaching to help professionals communicate with clarity, build authentic authority, and increase their influence. Using tools such as Active Listening, NLP, and conversational hypnosis, he empowers clients to achieve lasting personal and professional growth.
Marjoleine Welters
Marjoleine is an NCI-4 certified coach with almost 20 years experience in social work. Through effortless connection with students, she can draw out transformation via genuine empathy, care and enthusiasm. Her Dutch background and gentle personality bring a patient, warm, yet no-nonsense approach, tailored to your specific needs. Based in Europe, she is accessible across a wide range of timezones. If your goal is self-mastery and personal growth, she will be the perfect fit. Marjoleine has done the deep work herself in both NCI Graduate School and the Exit protocol, and she brings out the very best in everyone she coaches.