Hal Macomber

Hal Macomber is a respected thought leader, consultant, and educator in the field of Lean construction and advanced project delivery systems. With a career spanning over four decades, Hal has dedicated himself to transforming the architecture, engineering, and construction (AEC) industry by challenging traditional project management approaches and championing more collaborative, reliable, and human-centered methods of delivering complex projects.

Widely recognized as one of the early pioneers and key advocates of the Last Planner® System, Macomber has worked alongside industry visionaries to develop and implement Lean principles that have reshaped how teams plan work, manage commitments, and achieve predictable outcomes. His influence extends beyond theory into practice — he has consulted with leading construction firms, owners, and design teams across North and South America, Europe, and Asia, helping them adopt Lean thinking and build cultures of trust, accountability, and continuous improvement.

As an accomplished author and speaker, Macomber has contributed numerous articles, papers, and presentations that continue to guide industry practitioners in rethinking project delivery. His work emphasizes the importance of respect for people, collaborative planning, and the elimination of waste — not just in processes, but in how teams communicate and align their efforts toward shared goals.

Hal Macomber's commitment to advancing the industry also includes mentoring emerging leaders and fostering communities of practice that keep Lean construction evolving. He has served in senior leadership roles for respected consulting and construction firms, where he has led large-scale initiatives to improve project performance, enhance stakeholder engagement, and deliver better value to clients and communities.

Beyond his professional achievements, Hal is known for his generosity in sharing knowledge, his ability to facilitate challenging conversations, and his unwavering belief that the construction industry can — and must — do better for the people it serves. His legacy continues to inspire a new generation of professionals to push the boundaries of what is possible through innovation, collaboration, and a deep respect for the craft of building.