With more than 60 years of experience in gemology and appraisal, he is a Graduate Gemologist, Certified Gemologist, and Certified Gemologist Appraiser whose work spans the valuation of jewelry, gemstones, minerals, antiques, watches, clocks, and coins. He completed formal education in gemology and appraisal, including advanced coursework in appraisal methodology, and has maintained a lifelong role as a practicing jeweler and craftsman with hands-on expertise in goldsmithing, stone setting, engraving, and the fabrication and analysis of precious materials.

His career has been heavily focused on forensic valuation, including work on complex loss claims and disputes across both civil and criminal matters. He has provided testimony in more than one hundred cases and has performed specialized assignments for institutions, government entities, and private clients, including large collection appraisals and high-value loss analyses.

Beyond casework, he has played a defining role in shaping appraisal practices within the jewelry industry. He has spent many years teaching valuation methodology, authored widely used appraisal guidelines and reference materials, and held leadership positions in major professional organizations. His expert witness work continues to draw on this combination of practical craftsmanship, valuation expertise, and longstanding influence in the field.