Board of Directors 2023

David Ashen 

Silvia Callegari is an Architectural Conservator for EverGreene Architectural Arts where she conducts condition assessments, and performs conservation treatments and materials research, testing and analysis. Silvia is a Professional Associate of the American Institute of Conservation and a member of the Association for Preservation Technology. She has presented at professional conferences and contributed to publications. She holds a MS in Historic Preservation from the University of Pennsylvania and a BA in Writing & Architecture from New York University’s Gallatin School of Individualized Study. While at EverGreene, she has worked on multiple conservation projects including Trinity Church, NY; the Library of Congress, U.S. Capitol Building, Capitol Grounds, Grant National Monument, and Dumbarton Oaks Gardens in Washington, DC; Kennedy Space Center, Cape Canaveral, FL; and Mount Vernon, Alexandria, VA. Prior projects included The Woodlands Mansion in Philadelphia, PA, internships at multiple national parks, and field study in Crete, Greece.

Pieter Estersohn is a leading photographer of architecture and interiors. Pieter’s work regularly appears in major shelter magazines, including The World of Interiors, and he has contributed to many interior design and lifestyle books, among them Charlotte Moss’s Rizzoli publications. Most recently, he was author and photographer for Life Along the Hudson: The Historic Country Estates of the Livingston Family (Rizzoli, 2018). He restored a farm house in Dutchess County and is creating a period landscape there.

Brian Lange is a Vice President at Ralph Lauren Corporation, where he manages a team that oversees the design and development of printed textiles for men’s brands. A Kansas native, Brian received a BFA from the University of Kansas, where he majored in art history and design. A resident of New York since 1991, Brian and his husband bought a second home in the Hudson Valley in 2000 and began the long task of renovating their nineteenth-century house and property in Staatsburg, minutes from The Point. Recently, he was the President of the Board of Directors at Wilderstein Historic Site, where he helped initiate the site’s biennial sculpture show and led the first phase of the campaign to restore and renovate its Carriage House.

Jon Lawson, Board Chair recently retired from the Shubert Organization in New York City as the Lighting and Electric Supervisor at the Schoenfeld and Cort Theatres. Jon was Lighting Supervisor for more than 40 Broadway shows since 1984 and toured the world with ballet and theatre productions, including Rudolph Nureyev’s farewell tour, Dance Theatre of Harlem, “Dreamgirls,” “42nd Street,” and others.  Jon is an avid gardener and partner in a Rhinebeck maple syrup operation.

 Kathryn McCullough served as Executive Director of Manitoga/The Russel Wright Design Center, Development Director for the Hudson River Sloop Clearwater, and Capital and Planned Giving Manager for Scenic Hudson. Kitty has served as Interim Executive Director of the Woodstock Guild/Byrdcliffe Colony and Peekskill’s Paramount Center for the Arts. She co-founded the Kingston Midtown Arts District and Kingston Preservation Inc. In 2015, she helped ensure that an eighteenth-century stone house owned by famous nineteenth-century diarist Nathaniel Booth and two early nineteenth-century D&H Canal-era homes in Kingston were all rescued from demolition.

Michael Mueller is a managing editor at children’s publisher Scholastic, where he works in marketing and sales for literacy educational partnerships. Michael has over 30 years of experience in publishing, as well as working as a writer and teacher. An MFA graduate in poetry from the University of Michigan, Michael is a house and history enthusiast, and maintains a Calvert Vaux–designed home on historic West Chestnut Street in Kingston, NY, as well as residences in Sag Harbor and Manhattan. He discovered Kingston connections during genealogical research, and found a family ancestor was one of the original Dutch settlers there and was involved in establishing Kingston’s Old Dutch Church.

Stephen Paganuzzi, Jr, Acting Secretary has been a Manhattan attorney for over 30 years, concentrating in trusts and estates, real estate, family law, and general civil practice. A Dutchess County resident for 25 years, Steve is extensively involved with hands-on renovation of local residences, including his current home in Rhinebeck village. Accomplished in various building skills, he has an interest in history, historic preservation, and environmental conservation.

Peter Sweeny, Team Leader, Restoration & Sustainable Reuse Team, is founder and principal of PSA Studios (formerly Sweeny Walter Architects), a nationally-recognized architecture and design firm located in Brooklyn and the Hudson Valley.  A registered architect in New York, Florida and Connecticut, Peter has 35 years of experience in residential, commercial, retail, and institutional construction throughout the U.S. He is Campus Architect for Bard College. His extensive experience in historic restoration includes design approved by the New York City Landmark Preservation Commission (LPC) for an addition to a 5th Avenue McKim, Mead and White-designed apartment building, as well as work for Guggenheim Museum SoHo that earned him an LPC award. His significant historic Hudson River restoration work includes Callendar House, Montgomery Place and Southwood. Other clients have included Union College, Conde Naste, Vanity Fair Magazine, New York State Urban Development Corporation and Economic Development Council, Comras Company, NBC, RockRose Development, and American Museum of the Moving Image.

Yvette Temple, Treasurer 

Join Our Team! CVPA has important openings on our Board of Directors, Restoration & Sustainable Reuse Team and Communications Committee. In 2023, we are forming Landscape, Site and Program/Events Committees and developing a Volunteer Program. If you have skills that you’d like to put into service on behalf of The Point and the legacy of Calvert Vaux, please contact us:

About Calvert Vaux Preservation Alliance

Calvert Vaux Preservation Alliance (CVPA) works to restore and find sustainable uses for the Vaux-designed Hoyt House and landscape at The Point in Staatsburg, NY, as well as the site’s 20th-century barn complex and gentleman’s farm. We work to expand awareness of the pivotal role played by Vaux in American architecture and landscape design, and to make The Point a place where his work can be experienced and enjoyed. A 501(c)(3) nonprofit organization, CVPA serves the Mid Hudson economy by developing sustainable uses for The Point’s many structures, drawing visitors to Mills Norrie Park, and creating greater appreciation for the many exciting Vaux resources throughout the region. We serve all Americans by helping to forge a more complete narrative of our nation’s cultural history.