John Barrows More about John Barrows John Barrows is a custom builder on the East End of Long Island. He has built homes not only there but upstate NY, Nantucket, and Hilton Head, Sc. John is also President of P3 Builder Group, Inc, a company dedicated to bringing cost-effective energy efficient practices to the affordable housing market. John is also a founding partner of Performance Path Solutions, LLC, a company that brings innovative building practices to the building industry through educational programs and innovative products, and provides green and energy conservation consulting services. Performance Path Solutions focuses on providing new building systems, both construction and operational, that will prepare individuals and companies for the rapidly changing building industry. John is a nationally recognized author and speaker on topics including Green Building, construction and production management, and business management. In addition to presenting his own seminars, he has worked with the National Association of Home Builders (NAHB) to develop and teach courses on Scheduling, Green Building, Green Building Project Management, Building Science, and Estimating.