My Expertise

ICF Professional Certified Coach | CTI CoActive™
Masters of Human Behavior | Landmark Education Graduate

I bring a unique ability to blend intuitive insight and strategic acumen — and my unshakable belief in human potential — which has established my reputation as a transformative executive thought leader, coach, and consultant. Known for my direct, candid, yet compassionate approach, I empower leaders to confront challenges head-on, navigate pivotal moments, and achieve breakthrough results. My dynamic style inspires clarity, confidence, and professional growth in individuals and teams alike.

I specialize in helping high-performing leaders achieve their next level by uncovering where they’ve relinquished their power and guiding them to reclaim their place over their careers and lives. The results are transformative: my clients consistently report heightened clarity, confidence, effectiveness, and a renewed sense of professional fulfillment and impact.

My diverse global business experience includes leadership roles across 23 countries, overseeing budgets exceeding $500 million in annual revenue, managing customer success for multinational organizations, and driving record-breaking performance and award-winning product launches. As a proven innovator, I have developed impactful training programs and served as a trusted resource for navigating complex organizational challenges. I combine a macro-level vision with practical execution to consistently deliver measurable results.

As an accomplished board member and advisor, I’ve contributed to over 15 startups, charities, and industry organizations and played pivotal roles as a leader, trainer, and coach for global leadership development firms. My expertise spans industries and organizations of all sizes, and my client portfolio includes working with leaders at iconic brands such as Yahoo, Meta/Facebook, Stanford Medicine, Wyndham, Target, Kaiser Permanente, Humana, Fortinet, and Liberty Mutual, among others.

I hold a master’s degree from New York University, am a Co-Active® trained coach, and an NGLCC-certified diversity supplier. I’m also a Landmark Education graduate and a dedicated philanthropist. My passion for leadership and social impact is matched only by my commitment to living boldly and inspiring others to do the same.

Education, Honors and Credentials

  • Recipient of the Chairs Award (Coaching)
  • Recipient of the Top 100 Best Global Coaching Leaders Award
  • Masters, New York University, Human Behavior
  • Bachelors, UMass Amherst, Business Management & Marketing
  • Professional Certified Coach (ICF)
  • Graduate of Coaches Training Institute (CTI)
  • Nationally-Certified Diversity Supplier (NGLCC)
  • Executive Coach with Sloan Group International (SGI)
  • Trained Graduate of Landmark Education “Curriculum for Living”
  • Trained Wellness and Crisis Counselor
  • Graduate of The Global City and Media Ethnography Research Program
  • Graduate of Management BASIC Training Curriculum
  • NYU Samuel Eshborn Award Honoree
  • Direct Marketing Education Foundation (DMEF) Honoree

MARK DARREN GREGOR
Executive Coach | Trainer | Consultant
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For more information about my coaching, packages and to schedule a FREE consultation, please send an inquiry via the below form.