Alexander’s professional life has been dedicated to a single question: How do we develop and equip leaders to change the world? Across a twenty-year career in facilitation, coaching, and consulting, he has been privileged to provoke and support this developmental journey with thousands of individuals and teams around the world. What brings him joy is watching the story of meaning change - within a person, a group, or an organization - and being able to cheer on this evolution.

As a consultant, his area of expertise is in designing and facilitating development experiences that weave tightly into larger transformations in organizations, and in the wider world system. Building high-performing teams - from formation to function - is one of his core tasks. He has worked with NASA mission-crews, fighter squadrons, top-five MBA students, and leaders across the FAANG group, as well as top 5 companies in the automotive, brokerage, financial services, insurance, and healthcare industries. As a coach, he was provided over 10,000 hours of leadership coaching.

Beyond Treeline, he serves as Senior Faculty at NOLS, as a Linkage/SHRM Consultant, and as the Americas Hub Lead for TrailHaven, a retreat-focused executive development firm. He holds a Master's from Harvard in Leadership Development and ​Organizational Behavior, and a Bachelor’s in History from Bates College.
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In his 20's, he moonlighted as a professional explorer, circumnavigating the Earth by ski, foot, canoe, and bicycle. He is a Registered Maine Guide, a Fellow of the Explorer's Club and the Royal Geographic Society and was the 2011 Outside Magazine Adventurer of the Year.​

He lives in Greater Boston and New Hampshire with his wife, son, and black lab Lucy, and spends most of his free time cooking, woodworking, or chasing a toddler around the woods.