Executive Committee
Harry Levy, Chairman
Harry Levy was named Chairman of the London Diamond Bourse in April 2016. He has over forty five years in the diamond and gemstone industry. He has also served the industry in a variety of capacities throughout his public career.
Prior to being our Chairman, Mr Levy served as President from 2011 to 2016 and several terms as Vice President of the London Diamond Bourse, and also held the Chairmanship of the British Jewellers Association and in addition was the President of GEM-A. He has served on the Coloured Stone Commission, the International Diamond Council and helped promote World Jewellery Confederation CIBJO. Furthermore he has served on the Laboratory Commission, and for ten years, through March 2008, was president of the Diamond Commission.
Harry Levy’s career began after dabbling in the gemstone trade while lecturing in his professional field of mathematics, in which he holds a Masters degree. A few years later he left the academic world and became fully engaged in the gemstone trade and founded his own company in London, Levy Gems. In addition to a Masters degree in mathematics, Harry Levy holds a degree in philosophy, and is a Fellow of the British Gemmological Association.
Alan Cohen, President
Alan Cohen has been in the diamond business since 1971. He trained as a rough and polished diamond sorter in South Africa. He has been an independent dealer in polished and rough diamonds based in London from 1974 to 1991. Buying both rough and polished diamonds in Africa. Alan lived and worked in Moscow, Russia from 1991 — 2006.
Daniel Seller, Vice President
Dan has 40 years experience of producing fine handmade jewellery, manufacturing for both the trade, and public consumers with a focus on supporting UK craftsmen & workshops. He has a wealth of knowledge and expertise both inside and outside of the industry beneficial to the board & our membership.
David Joffe, Treasurer
David Joffe has been in the diamond trade for the past 43 years. His company was a De Beers sightholder in Johannesburg, South Africa. In 1977 he moved to London. He has traded in both rough and polished diamonds and travelled to all parts of the world both buying and selling stones. David is part of the Executive Committee and holds the role of Treasurer of the London Diamond Bourse – a post he has held for 20 years. David has been on the board for some 25 years.
Trevor Sigsworth, Executive Officer
Trevor is a precious stone specialist. Having been in the trade for his whole career some 44 years. He started out as a precious stone sorter and buyer, and started on his own in his early 20’s .He has travelled all over the world in pursuit of obtaining fine gem stones from the mines and cutters to supply manufacturers the best that is available. Trevor is a specialist in his field and is regularly relied on to give opinion on all types of stones.