Bill Waltenbaugh
Chief Valuation Strategist | Chief Appraiser | SRA, AI-RRS
About
Over 35 Years of Valuation Leadership
A nationally recognized valuation executive with over 35 years of residential appraisal experience and a proven record of leading industry compliance, quality control, and strategic valuation operations at the enterprise level. Recognized as an early adopter of AI in appraisal practice and a trusted voice in industry education.
Expert in GSE, FHA/HUD, and USPAP standards with deep experience navigating multiple institutional acquisitions, building high-performance QC teams, and leading organizations through transformative industry change, including the current UAD 3.6 transition.
Read Full Bio →Core Competencies
Strategic Valuation Leadership & Industry Expertise
Valuation Strategy & Oversight
Enterprise-level leadership of valuation operations, collateral departments, and strategic planning for lenders and AMCs.
Quality Control Operations
Building and leading high-performance QC teams, developing risk-based programs, and ensuring accuracy across all valuation products.
AI in Appraisal Practice
Early adopter and educator on mid-level AI applications for appraisers, AMC staff, realtors, and lending personnel.
UAD 3.6 Transition Leadership
Spearheading UAD 3.6 readiness across training, client education, vendor coordination, and industry-leading FAQ resources.
AMC Compliance & Regulation
Deep knowledge of GSE requirements, FHA/HUD guidelines, USPAP standards, and state AMC registration across all 50 states.
Third-Party Panel Management
Building and managing high-performing appraiser panels with effective vendor oversight, performance monitoring, and market share distribution.
Industry Education & Speaking
Creator of the Ask NAN video series, speaker at industry events, and host of webinars on UAD 3.6, AI in appraisal, and valuation trends.
Policy & Product Development
Designing valuation products including the NAN STR Analysis Form, hybrid appraisal improvements, and non-QM specialized products.
Escalation & Dispute Resolution
Expert handling of complex valuation disputes, reconsiderations of value, and the Flawed Report Committee process.
Get in Touch
Interested in learning more about my services or discussing industry trends?