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About David McGlennen

An entrepreneur with a background in startups and running multi-million dollar budgets where the pace is fast and furious.

David is certified in a multitude of disciplines including Team Coach, Human Behavior, High Performing Culture, and Implementation Specialist with over 5,000 hours of 1:1 coaching experience.  He has led and created global Culture and Learning and Development programs for emerging, growing, and executive leaders.


David has been part of several startup companies and was a family business owner for twenty years.  He has worked with founders and executive teams to create high-performance cultures that drive results without losing the human element.  

David has shared the stage with legendary author and speaker John C. Maxwell while accompanying him on a country transformation project in Paraguay, South America. He has also conducted leadership training in the Arctic Circle where the understanding of cultural elements was as important as the harsh environmental ones.


His ability to facilitate psychologically safe environments has led to the growth of emerging, advancing and executive leaders from a variety of industries.

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“I come from the perspective that everyone is fully resourced for high performance. My approach is to help achieving leaders to believe it for themselves so that they can build, grow and lead from that position of strength using a values and behavior based methodology.”


  • Certified John Maxwell Team Coach

  • Certified Human Behavior Consultants, Personality Insights, Inc.

  • Certified High Performing Culture Consultant

  • Culturewise Implementation Specialist

  • Finisher, multiple 70.3 Ironman triathlons


  • Over 5,000 hours of 1:1 coaching experience. 

  • President, Impact Leadership Consulting, LLC

  • Vice President, Business Development at Bravo Wellness

  • President, McGlennen Capital Group, Inc.

  • Multiple start-up teams for high-growth companies

Client Impact

  • Facilitated the creation of Culture Fundamentals for divisions of Fortune 500 companies

  • Created leadership development program for emerging, growing and executive leaders

  • Pilot program team member for high performance coaching training and development

  • Trained leaders in Paraguay, South America as part of the John Maxwell Team streams of influence Leadership program

  • Leadership development program delivery in the Arctic Circle for a global mining company

  • Senior leadership team coaching and facilitation of the 5 Dysfunctions of a Team program

  • Embedded High Performing Coach (HPC) for Johnson Matthey at their pilot plant. Observed, coached and provided feedback to their selected BOOST coaches to support delivering their standard ways of working and create a coaching culture globally

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