Rotem is an independent jewelry appraiser specializing in valuation of contemporary and antique jewelry, diamonds, colored gemstones, watches, and silverware. He serves the Bay Area in Northern California, with offices in San Francisco and Oakland, providing comprehensive appraisals for insurance replacement, resale, and estate.

Rotem earned his Graduate Gemologist, G.G. certification from The Gemological Institute of America, GIA in 2003. He has been a member of the National Association of Jewelry Appraisers, NAJA since 2007. Prior to GIA, Rotem earned his undergraduate degree in business from Towson University.

In addition to establishing LifeForce Appraisals, Rotem has worked in both the diamond wholesale and retail industries.