John Marshall- is a former LBM dealer president and strategic advisor with more than 20 years of executive experience working with privately held businesses. He has led and advised companies across 17 industries, with deep expertise in the Lumber & Building Materials sector, focusing on growth strategy, operational performance, and leadership alignment.
Today, John works directly with owners and leadership teams to improve clarity, decision-making, and execution in complex operating environments. His approach combines practical, real-world experience with modern tools, including AI and structured decision frameworks.
He is the founder of AI Growth Partners (AIGP) and the developer of the Leadership Decisionsystem, designed to help leaders cut through noise, determine what materially matters, and make better, faster decisions that move the business forward.
John is known for his direct, practical style and his ability to quickly identify what’s really going on in a business and translate it into clear, actionable direction.