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About Heritage Auctions - Jewelry & Timepieces

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Jewelry & Timepieces

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Jill Burgum
Senior Director, Fine Jewelry, Dallas
JillB@HA.com
1-877-HERITAGE (877-437-4824)  x1697
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Jill Burgum, Senior Director of Fine Jewelry for Heritage Auctions, brings a wealth of jewelry expertise to the company.

A graduate of University of Hawaii at Manoa, Ms. Burgum received her B.A. in Art History. After completing her degree, she attended Bowman Tech and Stewart's International, both for training in jewelry manufacturing and repair, then the Gemological Institute of America in Santa Monica, California, where she completed degrees in both Graduate Gemology and Jewelry Design in 1994.

Ms. Burgum began her working career as an on-call preview worker for Sotheby's Beverly Hills, California. She then moved to San Francisco as a jewelry cataloguer for Butterfield & Butterfield Auctions in 1996, transferring to their Los Angeles Jewelry department in 1997 as lead specialist, which she eventually left to build two jewelry web sites for start-up companies. She has also worked in retail jewelry sales and owned her own independent jewelry appraisal business.

She has been a contributor to Art + Auction, Brilliant, Eclat, Modern Jeweler, MSN Money, and Rapaport magazines.

Ms. Burgum has been a guest lecturer for the Los Angeles Natural History Museum, Gem & Mineral Council, and appeared as a specialist on HGTV, KTLA, CNN, FOX Business and ANTIQUES ROADSHOW.


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Jim Wolf
Director of Watches & Fine Timepieces
JWolf@HA.com
1-877-HERITAGE (877-437-4824)  x1659
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Headshot photo of Jessica DuBroc
Jessica DuBroc
Director, Fine Jewelry, New York
JessicaD@HA.com
1-877-HERITAGE (877-437-4824)  x1978
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Jessica DuBroc is a graduate of the University of Texas at Austin, and obtained her Graduate Gemologist degree through the Gemological Institute of America (GIA). Her early interest in the jewelry business stemmed from her family, namely her great-grandfather, who was a diamond cutter, and grandfather, who operated a jewelry business. She has worked in a number of jewelry venues, including wholesale, retail, consignment, appraisal, and auction for over a decade. Jessica is a member of the National Association of Jewelry Appraisers (NAJA) and Women’s Jewelry Association (WJA). 

Headshot photo of Tracy Sherman
Tracy Sherman
Director, Fine Jewelry, Palm Beach
TracyS@HA.com
1-877-HERITAGE (877-437-4824)  x1146
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Before joining Heritage, Tracy originally hailed from the Buffalo, New York area and was working toward a BA in Art History at SUNY Buffalo before she was given an opportunity to start her career in Jewelry at Sotheby’s in NYC. Over 22 years, Tracy developed her expertise in jewelry while heading various departments. As an auctioneer, she proudly auctioned the estates of Ella Fitzgerald and George Burns among others, and was an integral player for the jewelry in auctions for the Duchess of Windsor, Andy Warhol and Jackie Kennedy Onassis while at Sotheby’s.  Tracy left Sotheby’s to open her own jewelry brokerage business and do what she loves — helping clients refine their collections by adding to them or selling their unworn or unwanted pieces. Among her accomplishment, she spearheaded the sale of the estate of Marge Kelly’s jewelry collection at public auction for $8 million. In addition, she opened and ran a Palm Beach buying office for a New York firm (CIRCA) for six years.  For the past four years, Tracy has returned to run her own business in Palm Beach, assisting clients in all areas of art and antique collecting, whether through formal appraisals, buying or selling, and using her network of allied professionals and collectors to achieve the best financial outcome for her clients. Additionally, she is USPAP certified to ensure compliance with today’s insurance and IRS requirements.   

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Gina D'Onofrio
Director, Fine Jewelry, Beverly Hills
GinaD@HA.com
1-877-HERITAGE (877-437-4824)  x1153
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With work in the retail, auction and manufacturing sectors of the jewelry industry since 1989, Gina D’Onofrio’s experience encompasses jewelry design and production, appraisals, buying and selling of contemporary, antique and period jewelry, sales and management.

Prior to joining Heritage, Gina operated an independent gemological laboratory, appraisal service and consulting firm and has been catering to private individuals, banks, trusts, non-profit organizations, insurance companies, legal firms and the jewelry trade in the greater Los Angeles area.

Gina received her Master Gemologist Appraiser® designation, upon completion of appraisal studies, written and practical examinations and peer appraisal report review with the American Society of Appraisers. In addition, she was awarded the Certified Master Appraiser designation with the National Association of Jewelry Appraisers. In 2013, Gina received Los Angeles Magazine's coveted “Best in LA” award for her Jewelry Appraisal Services.

She conducts presentations and speeches about appraisal and jewelry related topics to private and corporate groups in the Los Angeles area. Gina is currently serving as Gems and Jewelry Education Chair for the American Society of Appraisers and co-instructor for their Appraisal Report Writing For Insurance Coverage course.

Professional Affiliations 

• Fellow of the Gemmological Association of Great Britain (FGA)  

• Fellow of The Gemological Association of Australia (FGAA) 

• Certified Master Appraiser of the National Association of Jewelry Appraisers (NAJA)  

• Accredited Senior Gemologist, Accredited Gemologists Association (AGA) 

• Member of the National Association of Watch and Clock Collectors, (NAWCC) 

• Accredited Senior Member & Master Gemologist Appraiser®, (ASA)   


Headshot photo of Keith Davis
Keith Davis
Consignment Director, Watches & Fine Timepieces
KeithD@HA.com
1-877-HERITAGE (877-437-4824)  x1971
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Keith Davis has worked within the timepiece industry for the entirety of his professional career, gaining valuable experience in nearly every aspect of the business. Prior to joining Heritage Auctions, he held executive and management positions at Richemont Group and LVMH. In his last role, Keith served as Commercial Director for Vacheron Constantin, overseeing the wholesale distribution for the brand in the U.S. and Canada. Prior to that position, he managed multiple regions for Bvlgari N.A., while also serving as the technical watch trainer for their retail and wholesale distribution.  

Keith’s introduction to the industry started in watchmaking and progressed to vintage restoration apprenticeships in England and the U.S. After several years of study, he worked in luxury watch retail and as a private appraiser and authenticator of vintage and antique wristwatches.


Headshot photo of Ana Wroblaski
Ana Wroblaski
Assistant Director, Fine Jewelry, Beverly Hills
AnaW@HA.com
1-877-HERITAGE (877-437-4824)  x1154
Request Free Appraisal

Prior to joining Heritage Auctions, Ana Wroblaski has been involved in the jewelry business on various levels since 1999. Born in Chicago and raised in Los Angeles, she joined John Moran Auctioneers in Pasadena during 2011 to take charge of their growing jewelry department. Previously, Ana spent five years at Bonham’s and Butterfield’s Los Angeles, first starting as assistant to the senior specialist before she was promoted to a specialist, appraising and cataloging jewelry that ranged from antique to modern.

Once Ana got a taste of working with precious metals on her own, she served as an apprentice with a master jeweler in the Downtown Los Angeles Jewelry District. Focusing on minerals and gems, she then went on to fabricate and design jewelry for her own line and others as well. Ana is a Graduate Gemologist, earning her diploma from the Gemological Institute of America (GIA), an Accredited Jewelry Professional (AJP) and is constantly continuing her education by attending workshops and seminars to stay abreast of treatments, new mine discoveries and current style trends in the jewelry world.  

Ana has earned and stays current with the Uniform Standards of Professional Appraisal Practice (USPAP), and is currently working on the accreditation curriculum with the American Society of Appraisers (ASA).

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