About the ISG

Spend a few minutes with ISG President,
Robert James to learn more about our amazing educational opportunities.


Robert James FGA, GG

President, Instructor

Robert is founder of the ISG and lead instructor. With over 46 years in the jewelry industry, covering many aspects of the business, Robert brings unique experience and a long-standing commitment to ethical business dealing to the ISG course. Robert has owned and operated jewelry stores, been island manager for Colombian Emeralds International on Sint Maarten in the Caribbean, and had many additional years of experience that he brings to the ISG program.

Robert is a Fellow of the Gemmological Association of Great Britain, a Graduate Gemologist of the Gemological Institute of America and was a Certified Gemologist of the American Gem Society. In addition to his gemological credentials, Robert is a licensed Property and Casualty Insurance Adjuster, licensed by the Texas Department of Insurance, and writes Continuing Education courses and teaches gemology related classes for the insurance industry world wide. He is actively involved in insurance fraud investigations for high value claims with insurance companies in the US and Europe.

Mark Saenz, RGA

Director of Student Services

Mark brings to the ISG a 30 year career in jewelry store sales and management. His specialty is operations management and sales training that includes such industry names as Saks Fifth Avenue, Macy's, Zales Jewelers and Gordon's Jewelers. Mark has served as both store management and district manager for some of the world's finest jewelry companies and brings that experience and knowledge to the ISG programs.

Mark has earned the ISG Registered Gemologist Appraiser Diploma, as well as completing educational courses at the Gemological Institute of America and many training programs through the corporate training obtained with the world-class jewelers he has worked with. He brings his many years of experience in top level jewelry management positions to the ISG to enhance our programs to world class status.

Debbie James

Training and Design Coordinator

With over 30 years in retail clothing management Debbie is known as one of the finest training and design professionals in the industry. As a Regional Manager for Fashion Bug Stores, Debbie was in charge of total training and operations for over 60 stores covering the Western United States. She brings this long-standing professional experience in retail operations, training and design to the ISG to help make our program the finest in the world.

In addition to being the Western Regional Manager for Fashion Bug, Debbie has also served as clothing buyer for Macy's Department Stores in downtown Manhattan, New York City, and was District Manager for Chico's Stores of Sanibel Island, Florida. Her knowledge and experience in retail training and design helps make the ISG training program the world's leading education opportunity at a tuition level that everyone can afford.


ISG History

The ISG was originally an Allied Teaching Center for the Gemmological Association of Great Britain before going independent in 2004.

The ISG holds memberships in the Texas Jewelers Association, the Manufacturing Jewelers and Suppliers of America, and other professional industry associations such as Polygon.

Since 2006 the ISG has been an Accredited Business of the Better Business Bureau with a BBB Rating: A+.

The ISG currently has over 1800 students representing 59 nations world-wide. Our events include the ISG at Tucson where we hold weeks long special events, and our ISG at the Mines trips
each year to visit and experience first hand the fun of gemstone mining.

The ISG is a certified education provider for many US State Departments of Insurance to train insurance agents and adjusters in gemology, and is active in the insurance industry for assisting with high dollar jewelry insurance claims in the US and Europe.

The ISG Registered Gemologist Appraiser Program has been recognized and accepted by insurance and jewelry industry organizations world-wide, including our recent endorsement by the African Gem Society and the Gemmological Society of South Africa.

The ISG Registered Gemologist Appraiser diploma is accepted by the National Association of Jewelry Appraisers. The ISG provides insurance investigation services regarding jewelry fraud issues to insurance companies around the world

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