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William J. Warren
William J. Warren
President and Chief Executive Officer
National Inspection Services

Known internationally for his building inspection expertise, William J. Warren is a member of a White House cabinet sub-committee on environmental policy and keynotes regularly at professional inspection conferences across the U.S. He has also served on numerous building code, arbitration and national trade and professional association boards of directors.

Mr. Warren's firm has performed more than 85,000 physical inspections and written reports since 1975 and has authored an exhaustive variety of publications (including Time/Life's Fix-It-Yourself series) on building inspections, environmental audits and related industry topics. He has appeared as an expert witness more than two hundred times and is active in real estate mediation, arbitration and construction and consulting work throughout the U.S.

Expertise:
Founder and President, William J. Warren, is a unique, highly accomplished individual with a multi-disciplinary background in engineering, law, environmental science and building construction technology. Mr. Warren regularly contributes his time and energies to various civic, community, and philanthropic endeavors. Mr. Warren is an accomplished author, expert witness, and building inspection pioneer. Mr. Warren enjoys a reputation as his industry's most published and most recognized leader.

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