Gemologist Thomas C. Yonelunas has joined Honora as chief operating officer. Prior to joining Honora, Yonelunas held the position of chief executive officer of the Gemological Institute of America's laboratory division. He began his gemological career as a staff gemologist in the Gem Trade Laboratory and advanced rapidly from instructor to a licensed director of its New York education branch. He assumed his role as Laboratory CEO in 1987. Yonelunas recently received the National Conference for Community and Justice, Jewelry and Watch Division Humanitarian Award at its Annual Dinner in December 2005. Jill Burgum has joined Heritage Auction Galleries as director of jewelry and timepieces. A native of Lancaster, Pa., Burgum began her career with Sotheby's Beverly Hills, Calif., and also worked as a jewelry cataloguer for Butterfield & Butterfield Auctions. Sh

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