Conference Chair
Contact: Branko Deljanin
Web: https://www.brankogems.com
Email: info@brankogems.com
WhatsApp: 1-604-619-3590
Conference Chair
Branko Deljanin, B.Sc., GG, FGA, DUG is senior gemmologist and president of CGL Canadian Gemlabs and Director of Gemmological Research Industries Inc. in Vancouver. He is a research gemmologist with around 30 years of experience from North American gem labs in advanced testing of diamonds and gemstones. He is is considered an international expert on identification of diamond treatments and synthetic diamonds.
He co-authored books ‘DIAMONDS, Natural, Treated and Laboratory-grown” and “Laboratory Grown Diamonds” and booklets “Identification of Diamond types and Synthetic Diamonds using CPF (Cross Polarized Filters)”, “Fluorescence as a Tool for Diamond Origin Identification – a Guide” and “ID of Transparent Red, Pink, and Purple Gems with Portable Instruments” and “ID of Transparent Green Gems with Portable Instruments”.
He is instructor of “Standard, Intermediate to Advanced Gemology” programs and practical workshops on diamonds and coloured stones “BrankoGems” is offering in 20 countries on 4 continents and as part of “On-line Academy”.
Montana Conference Co-Chair & MC
Travis Lejman, GIA GG, has been in the industry for 20 years. He is the second generation in his family and has recently taken over & continues to grow the company his father started in 1979.
After receiving his BSc. from Stony Brook University in 2005, Travis continued on to graduate with his G.G. in 2006 from GIA New York’s residency program, and later going on to receive his F.G.A. accreditation from Gem-A in 2013. Over the last 6 years, Travis and his business partner, Joshua Lents, have added new advanced testing capabilities to their laboratory division.
MGJ Conference Co-Organizer
David Lazić is a graduate TV director with thirty years of experience in the fields of multimedia, integrated marketing communications, and web design.
He is the founder of GemHunters.rs, an informal organization that promotes gem hunting as a hobby in Serbia and the region. He collaborates with the Faculty of Mining and Geology, Belgrade, on digital communication projects under the CEEPUS program, as well as on public relations across all social media platforms.
David is a co-organizer and PR manager of the 6th and 7th Mediterranean Gemological and Jewellery Conference held in Thessaloniki in 2022, as well as in Italy and Slovenia in 2024.
He is a partner and webmaster for the “Online Education” program led by Branko Deljanin, hosted on BrankoGems.com. Additionally, he manages the GemConference.com and BrankoGems-ATC.com websites.
MGJ Conference Manager
Nesha Popovic is a Telecommunication engineer, with a master’s degree in Ecology.
He works at a European mobile telecommunications company in Belgrade, Serbia. He was in the organization committee of the 4th, 5th and 6th Mediterranean Gem and Jewellery Conference, and manager of upcoming conferences.
MGJ Conference Proceedings Editor
John Chapman, Gemetrix, AUSTRALIA is a diamond scientist who formerly worked at Rio Tinto Diamonds. He has developed diamond-related machines and instruments including the ‘PL Inspector’.
He currently consults throughout the industry pipeline from exploration to polished grading. He is also chief editor for the proceedings of the Mediterranean Gem and Jewelry Conferences.
Honorary MGJC Co-Chair
George Spyromilios, CDG has more than 25 years of experience in the jewellery industry. In 2002 George created Independent Gemological Laboratory Athens, I.G.L. School of Gemology and I.G.L. Appraisal & Valuation services. IGL Athens is the most respected gem laboratory in Greece.
George is a member in good standing of the International Consortium of Gem Testing Laboratories (ICGL), The National Association of Jewelry Appraisers (NAJA), Association of Independent Jewellery Valuers (AIJV), G.I.A. Alumni, H.R.D. Graduates Club and Hellenic Goldsmith Association.