About the United States Gemological Institute

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Meet the USGI Staff and Learn More About Us

Are you passionate about gemstones and want to take your knowledge to the next level? Look no further than the United States Gemological Institute (formerly the International School of Gemology)! Our institute offers a comprehensive curriculum designed to give you the skills and expertise needed to excel in the field of gemology. As a former Allied Teaching Centre of the Gemmological Association of Great Britain, we provide you with the world’s highest level of expertise and training. 

Our courses cover everything from the basics of gemstone identification to advanced techniques industry professionals use. With our expert instructors and cutting-edge technology, you’ll receive a top-notch education that prepares you for a successful career in gemology and jewelry appraisal.

The USGI is a Certified Education Provider for the United States Insurance Industry with peer-reviewed courses certified by the state insurance departments. No other school can offer you that level of course certification.

Meet the Staff of the United States Gemological Institute

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Robert James FGA, GG
President

Mr. James has led the USGI (originally the ISG) for 21 years. He holds the FGA and GG gemology diplomas. Additionally, he holds the Higher Education Teaching Certificate from Harvard University and the Business Law Certificate from Cornell Law School. Mr. James has over 40 years in the jewelry insurance and education industry as a Property and Casualty Adjuster of the Texas Department of Insurance, and is a Certified Insurance Instructor.

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Natalie Cortez
Student Education Coordinator

Natalie is responsible for video production including design and development of the USGI course notes and training videos. She provides the instructors voice throughout the USGI program and brings many years of experience in education management to the USGI community.

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Tristan James RG, AJP-GIA
Student Services Administrator

Tristan holds the USGI RG diploma and is an Accredited Gemology Professional of the GIA. He holds Cisco Certification in Computer Systems Administration. He is responsible for providing support services to students to make their learning experience at USGI the best possible.

Mark Saenz RGA
Gemology Education Consultant

Mark brings decades of professional experience as a gemologist and jewelry appraiser to assist all USGI students with their learning experience. He serves as consultant and coordinator for course development and is a crucial part of the USGI learning structure in all phases.