





Contact Our National Team
Senior Vice President - Strategy | Business Development, and Managing Director, Chicago
RobertaK@ha.com
(312) 260-7222
Specialties: Decorative Arts, Fine Art, Photographs
View Biography
Roberta Kramer is a 25-year veteran of the art and antiques world. Before beginning her career in auctions, she spent two years curating for the Ben Uri Art Society in London. Returning stateside, Roberta served as Gallery Director for J. Rosenthal Fine Art until her interest in Continental Antiques led her to a management position at Rita Bucheit, Ltd. In 1992, with her extensive knowledge of fine art and antiques, Roberta started her auction career at Leslie Hindman Auctioneers as an account executive. In 1995, after taking a leave to found the Antiques Center at Kinzie Square, she was named Consignment Director of newly formed Chicago auction house, Susanin’s Auctions. While at Susanin’s she also managed the appraisal department and served as principal auctioneer alongside Sean Susanin. In 2001 she founded Roberta Kramer & Associates, Inc., a firm specializing in appraisals and art consulting. A recognized USPAP qualified appraiser and licensed auctioneer, Roberta has served as a charity auctioneer for numerous charities and has been a frequent contributor to Art & Antiques Magazine.
Roberta joined HA in 2016, opening the first regional office in the Midwest for the company. Along with her staff of specialists in multiple areas of collecting, she serves the Chicago and greater midwestern region of the country.
Vice President, Trusts & Estates - Dallas
MichelleC@HA.com
(214) 409-1824
View Biography
Michelle Castro is the Director of Trusts & Estates and is based in Heritage Auctions’ Dallas headquarters. She represents Heritage Auctions in Texas and throughout the Southern region of the United States by assisting attorneys, executors, advisors and fiduciary professionals with their client’s needs for estate valuations, appraisals and asset divesture. She is also co-editor of the Heritage Auctions Trusts & Estates Journal for Trusts & Estates Advisors.
Michelle has over 25 years of experience working in fine art galleries and auction houses. She spent her early career working at a private gallery in New Orleans before launching a successful career as the Director of Fine Art at New Orleans Auction Galleries, where she curated and directed the sales of prominent Southern estates. At Heritage, Michelle has managed numerous important estates and private collections, such as Robert J. Dodds III, Brooks Robinson, Dorace M. Fichtenaum, Colletta Ray McMillian and Kenneth S. “Bud” Adams Jr., among others. She has also sold property on behalf of institutions such as the Dallas Museum of Art, St. Jude Children’s Research Hospital and Franklin & Marshall College. Her expertise is in Modern & Contemporary Art, and she is an accredited member of the International Society of Appraisers.
Michelle is a member of the Communities Foundation of Texas Advisory Council, the Estate Planning Council of Central Texas, the Dallas Council of Charitable Gift Planners, the National Association of Charitable Gift Planners and a committee member of the Dallas Estate Planning Council’s Emerging Professionals.
West Coast Director, Trusts & Estates - Beverly Hills
CarolynM@HA.com
(310) 492-8614
View Biography View Video Biography
Carolyn Mani's background includes twenty-four years of experience in both live and online auctions, as well as an extensive background in appraising and vetting Furniture and Decorative Arts, Fine Art, Collectibles, Musical Instruments and Entertainment Memorabilia.
Prior to joining Heritage, Carolyn was Director and Auctioneer at Bonhams (Butterfields). She oversaw the estate department for more than ten years, established a proven track record in working with large consignments and institutions and was an accredited member of the International Society of Appraisers (ISA). She is currently a certified USPAP appraiser.
Most recently, she has brought to auction the celebrity estates of Shirley Temple Black, Zsa Zsa Gabor, Trini Lopez and Phyllis McGuire with outstanding white glove results.
As an auctioneer she has raised millions of dollars and provided auction services to numerous charities including John Wayne Cancer Society, Stars for a Cause, The LOOC foundation, Wheels for Humanity, The Beverly Hills Bar Association Barristers, The Chrysalis Foundation, Project Angel Food, Cancer Treatment Centers of America, The Chuck Jones Center for Creativity, Ed Asner Family Foundation and many others.
Bill Main is the Midwest Director of Trusts & Estates and is based in Heritage Auctions’ Chicago office. He represents Heritage Auctions in Illinois and throughout the Midwest region of the United States by assisting attorneys, executors, advisors and fiduciary professionals with their clients’ needs for estate valuations, appraisals and asset sales. He is also co-editor of the Heritage Auctions Trusts & Estates Journal.
Bill has over 30 years of experience working in trust and estate administration. He spent his early career working as an estate settlement attorney with a major Chicago law firm before working as an Estate Specialist with Wells Fargo and a Trust Advisor with Northern Trust. Bill has overseen the settlement of over 500 estates and is experienced with the valuation requirements for tax reporting and selling collections on behalf of trusts and estates.
Bill is a member of the Chicago Estate Planning Council. He received a degree in Economics from the University of Dallas and a law degree from Southern Methodist University.
Managing Director - Palm Beach
SebastianC@HA.com
(214) 409-1296
Specialties: Decorative Arts, Furniture, Sculptures, Silver & Virtu, Trusts & Estates
View Biography
Trusts & Estates | Business Development - New York
ElyseL@HA.com
(212) 486-3504
View Biography View Video Biography
Trusts & Estates | Business Development - New York
NickN@HA.com
(212) 486-3570
Specialties: Decorative Arts, Fine Art, Furniture, Russian Works of Art, Silver & Virtu
View Biography
Nick Nicholson joined Heritage Auctions in October of 2023 with more than 25 years of experience as an art advisor, USPAP-compliant appraiser, specialist, and executive, having worked at Christie’s, Freeman’s, museums, not-for-profit cultural institutions, and luxury firms. His career spans divisional leadership, senior specialist and curatorial roles, and independent advisory practice, giving him deep, practical expertise in valuation, estate planning, and the stewardship of complex collections of fine and decorative art.
In leading Heritage’s Museum Services initiatives, Nick partners with museums, institutions, and corporate collections to shape, refine, and responsibly steward their collections in accordance with museum standards and best practices. He works closely with museum directors, boards, collections committees, and curatorial staff on projects of all scales, working with Heritage’s more than 125 specialists across 50+ categories to deliver effective mission-aligned solutions.
Nick led the creation of Heritage’s Russian Works of Art department in 2024. He has since helped establish Heritage as the leading U.S. auction house for Russian art and Fabergé. He has overseen the sale of several landmark collections, including the Estate of Princess Maria Romanoff, the Fabergé Heritage Collection, and property from the Collection of A La Vieille Russie, as well as many other important private and institutional collections. Heritage holds international auction records for works by Fabergé, Kurlyukov, Ovchinnikov, Rückert, and others.