Zachary Burt, President, 2025

Zachary is the Community Outreach and Grants Manager at the DC Preservation League (DCPL). At DCPL, he leads the Landmarks and Government Affairs committees, manages the organization's historic landmark nominations, and administers two grant funds. He holds an MA in Historic Preservation from Goucher College and a BS in Political Science from the University of Utah. He is originally from Salt Lake City, Utah. Prior to working at the DC Preservation League, he worked for seven years in government relations at a professional association. Despite his early interest in politics and government, he has always been passionate about history and architecture, and went back to school to study historic preservation. He loves exploring and photographing DC’s historic buildings and neighborhoods – as well as historic places around the country.

Zachary serves as Chair of APT DC's Communications Committee.

Mike Davis, Vice-President, 2025

Mike is an Assistant Project Manager and a dedicated member of the Historic Preservation Group at The Christman Company. His experience includes working on significant restoration and preservation projects such as Michigan Central Station, the Cannon House Office Building, and the Smithsonian Castle. Before relocating to Washington, DC, Mike was based in Christman’s Detroit office, where he specialized in historic preservation. He also served as Treasurer for the APT Eastern Great Lakes region for a year. A graduate of Michigan State University, he holds a bachelor’s degree in Construction Management.

Mike serves as Chair of APT DC's Marketing Committee.

Naomi Ryan, Treasurer, 2019-2025

Naomi is a Project Manager and Historic Preservationist with Consigli Construction Company working on historic rehabilitation projects. Prior projects include work at the US Capitol, the French Ambassador's Residence, and Menokin Plantation. She has a B.F.A. in Theatre Production and an MSHP from Clemson University. Naomi first moved to DC to work with the National Parks Service's famed Heritage Documentation (HABS/HAER/HALS) Program before transitioning to Project Management. She served as an adjunct professor at Clemson University teaching a course in project management to future Historic Preservation Professionals. She served as co-chair of the Events Committee for two years and is in her third year as Treasurer. 

Danielle McCormick, Secretary, 2025

Danielle, is a Senior Technical Designer and Senior Associate at Page, Washington DC. Her project experience includes modernization and preservation across diverse sectors, where she is fully engaged in all aspects from preliminary design through construction administration. Danielle holds a Master’s degree in Design Studies focused on Historic Preservation and Material Conservation from the Boston Architectural College and a Bachelor of Science in Architecture from the New York Institute of Technology. She was the recipient of the EPSP Award in 2021. In addition to serving as Secretary of APT DC, she also is the 2025 AIA DC National Associate Committee State/Territory Associate Representative (NAC STAR).

Danielle serves as Chair of APT DC's EPSP Committee 2023-2025.

Isabelle Gizinski, Member at Large, 2023-2025

Isabelle Gizinski is a licensed architect working at GWWO Architects in Baltimore. She is a project manager on NPS projects that focus on rehabilitation and preservation. Isabelle is originally from Atlanta, Georgia and moved to Louisiana to attend LSU to receive her Bachelor of Architecture with minors in Architecture History and Heritage Conservation. Before moving to Baltimore, Isabelle worked as a historic tax credit specialist on rehabilitation projects for historic commercial buildings. Previously, Isabelle has been involved with the AIA New Orleans Chapter as the Associate Member Director in 2019. Her main roles were to develop and coordinate events for unlicensed members through study groups, lectures and networking events.

Isabelle serves as Co-Chair of APT DC's Events Committee.

Dorcas Corchado, Member at Large, 2024-2025

Dorcas currently serves as the Regional Historical Architect for the National Capital Region of the National Park Service. Prior to that she completed a 5-year Professional bachelor's degree in architecture from the Polytechnic University of Puerto Rico, where she became interested in architectural conservation. During this stage of her career, she assumed leadership positions in AIAS (American Institute of Architecture Students) as Treasurer and President of the organization. After completion of her architecture degree in 2013, she acquired a LEED GA certification and worked at several architecture firms. On her last 3 years on the island, she joined her father’s architecture firm, Corchado + Arquitectos, where she worked in a diversity of projects ranging between Public Open Spaces, Commercial Buildings, and Residential Buildings. Having worked mostly on existing buildings she decided to pursue her long-time desire to study conservation science to better understand how buildings fail, material compatibility, and building conservation. She completed her Master in Science of Historic Preservation from the University of Pennsylvania, with a Certificate in Ecological Architecture. During her time as a graduate student she worked as a Research Assistant at the Center for Architectural Conservation doing hands-on conservation, conditions assessment and treatment recommendations mainly in National Park Service projects. After graduation, she worked as a Designer for the Preservation Studio at Quinn Evans Architects in D.C, where she worked for 3 ½ years in prestigious projects such as Daughters of the American Revolution-Constitution Hall, which got several preservation design awards. From there she transitioned to her current position as the Regional Historical Architect with the National Capital Region of National Park Service.

Dorcas serves as a Member of APT DC's Marketing Committee.

Courtney Magill, Member at Large, 2024-2025

Courtney Magill currently serves as the Architectural Conservator for the National Park Service’s National Capital Region (NPS-NCR). She has been working with the Regional Preservation Services team since October 2020 to assist cultural resource specialists in NCR’s thirteen regional National Parks in the preservation, conservation, and proper maintenance of their historic structures and cultural landscapes. Previously, after graduating with her Master of Science in Historic Preservation from the University of Pennsylvania in 2015, she served as the laboratory manager and post-graduate fellow for the University’s Architectural Conservation Laboratory, working on a variety of conservation projects in New York City, Colorado, Wyoming, and Arizona. She formerly served as a board member of the Association for Preservation Technology’s Delaware Valley Chapter (APT-DVC) from 2016-2020. A self-professed preservation nerd, she is passionate about materials conservation of historic fabric in the built environment around the greater DC area and the world.

Courtney serves as a member of APT DC's Events and EPSP Committee.

Trinity Batton, Member at Large, 2025

Trinity Athena Batton holds a Bachelor of Science in Civil and Environmental Engineering from UTSA. She is an Engineer in Training (EIT) in the State of Texas slated to obtain her Professional Engineer (PE) License in 2 years and has a wide range of experience across the civil engineering industry in both design and construction. Currently, Trinity is a Project Manager with Building Envelope Consultants and Scientists (BECS) where she performs building envelope consultancy services including investigation, design, and construction management. Before joining BECS, Trinity performed design and construction management services in the fields of transportation, water resources, land development. Most recently, she spent two years on the island of Guam where she managed over $500 million in Military Construction (MILCON) projects. In 2024, she joined the University of Guam (UOG) as an Adjunct Professor where she continues to teach “Fundamentals of Transportation Engineering” in a virtual setting.

Trinity serves as Co-Chair of APT DC's Events Committee.

Sarah Vonesh, Member at Large, 2025

Sarah Vonesh is the Director of Preservation Planning and a Senior Project Manager at EHT Traceries, a woman-owned historic preservation firm in Washington, DC. She holds a Master’s from Columbia University and a Bachelor’s from the College of Charleston in Historic Preservation. With a decade of experience, Sarah specializes in the sensitive rehabilitation of historic properties, working with building owners, architects, and developers. She contributes to strategic planning, Historic Structure Reports, and National Register nominations, ensuring historic sites remain vibrant and accessible while balancing preservation with modern needs.

Sarah serves as a member of APT DC's Marketing Committee.

Kevin Wohlgemuth, Past President, 2024

Kevin Wohlgemuth is a Senior Associate in Building Conservation Associates’ (BCA) Washington, DC office. Originally from Southern California, Kevin graduated with his Master of Science in Historic Preservation from the University of Pennsylvania’s Department of Historic Preservation in 2014 where he won Charles E. Peterson Award for Distinction. Kevin’s responsibilities at BCA vary widely and include project management, archival research, conditions assessments, laboratory analysis, treatment recommendations, construction drawings and specifications, and construction administration. Kevin has had the incredible opportunity to work on some of the most significant buildings in the DMV area including the Smithsonian Castle, Arts & Industries Building, US Capitol and several Senate buildings, Maryland State House, Jefferson Memorial, and DC Court of Appeals; the last two winning local and national project awards. Kevin is also an experienced archaeologist and archaeological conservator having earned a Master of Art in Classical Archaeology from Florida State University.

Kevin serves as Chair of APT DC's Symposium Committee and a member of APT DC's EPSP and Events Committee.

Tony Nicastro, Past Chapter President, 2023

Anthony (Tony) Nicastro has national experience in the investigation, design, and construction contract administration of building enclosure components for major institutional, commercial, educational, and residential buildings. His affinity for problem solving and the built environment led him to join SGH in 2006. Tony has been thrilled to a manage a diverse set of projects, and he has a passion for preservation and rehabilitation on Washington, DC buildings including museums on the National Mall in Washington, DC and other major federal institutional works. He appreciates his collaborations with architects, building owners, and contractors, and most enjoys providing long-term solutions by analyzing facade design concepts, evaluating construction defects, and developing repairs for complex enclosure issues.

Committee Members