John Lehmann

About John Lehmann

I’m a seasoned construction executive with over 30 years of hands-on leadership experience driving operational excellence in commercial construction throughout many different market sectors.As Co-Founder and President of the Construction Leadership Network (CLN), I’ve built a high-impact peer community of top construction leaders across the U.S. and Canada. Together, we collaborate to share best practices, lessons learned, solve real-world challenges, and accelerate performance of individuals, across our companies and the industry.Throughout my career, I’ve led operations, complex projects and teams, and organizational growth initiatives for international, national, and regional construction firms. I combine deep operational insight with a forward - thinking approach to construction technology, serving as a trusted advisor to firms navigating digital transformation.Advisor to Industry-Leading Construction Tech Firms:• SmartBuild - A powerful platform with tools for A/Es, GCs, and Subs, including SMRT-E, an AI-powered assistant that accelerates field and office workflows.• Projexion - A machine-learning-driven digital twin that predicts risk and prescribes real-time actions to protect profitability.In these roles, I help bridge the gap between innovative technology and boots-on-the-ground practicality - ensuring solutions are affordable, impactful, scalable, and adopted.Board Leader | ABC KeystoneI serve on the Board of Directors at the Associated Builders and Contractors (ABC) Keystone Chapter - one of the oldest and largest chapters in the U.S. I was honored to serve as 2024 Chair of the Board during its 65th anniversary year and continue to serve on the Executive Committee.My mission is to use my experience, expertise, vast network of peers and industry expert relations, other resources and passion for the construction industry and to help others to guide and mentor business owners and next gen construction leaders, in pursuit of operational excellence and maximum performance.

Experience

1. Consultant Advisor

   Smartbuild Construction Solutions

   Mar 2025 — Present

Skills

• Energy Management
• Constructability
• Construction
• P3
• Project Bidding
• Pre-Construction
• Primavera P6
• Renovation
• Cost Control
• Design-Build
• Contract Management
• Process Scheduler
• Contractors
• Change Orders
• Leed
• Project Planning
• Cross-Functional Team Leadership
• Construction Management
• Contract Negotiation
• Project Management
• Project Estimation
• Cost Benefit
• Leed Ap
• Cpm Scheduling
• Quantity Surveying