* 50 years in the jewelry industry.* Graduate Gemologist-Gemological Institute of America/Certified Gemologist-American Gem Society.* Former International Instructor for Gemological Institute of America* One time national sales manager for Cintrem, Ltd., a division of Sightholder, Leo Schachter Company, NYC* Operated an American Gem Society Retail Store for 25 years as a Certified Gemologist Appraiser with an AGS Accredited Gem Lab. Membership & Education Manager - American Gem Trade Association.Internationally published and cited author-"Revolution in Diamond Cutting: LAser Sawing of Diamond Crystals" https://www.gia.edu/doc/Revolution-in-Diamond-Cutting.pdf "Chrysoprase Chalcedony: MArlborough District, Queensland, Australia" http://www.colored-stone.com/stories/jan09/chrysoprase.cfm . "The Role of Patient Advocates in Clinical Trials: Patient Advocacy 101" published in Breast Diseases: A Year Book® Quarterly. https://ur.booksc.eu/book/24539238/9378ac . Accredited Member-International Society of AppraisersMember-National Association of Jewelry AppraisersUSPAP Tested and Passed-American Appraisers Association -2020International Speaker of Gemstone and Jewelry related issues.Specialties: Gemstones and JewelryFor the last 20+ years, Mr. Baker has served as a Breast Cancer Patient Advocate with: National Cancer Institute - M. D. Anderson SPORE Grant; California Breast Cancer Research Program; Southwest Oncology Group - Breast Cancer Advocate, Coalition of Cancer Cooperative Groups; Inflammatory Breast Cancer International Consortium; Susan Komen for the Cure Breast Tissue Bank - Indianapolis, Susan Komen Rae for the Cure - Houston Affiliate and served on the Public Policy Committee and the Grant Review Committee; Volunteer Patient Navigator - University of Texas M. D. Anderson Cancer Center; National Breast Cancer Coalition (a Project LEAD graduate).