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Meet a Volunteer historic bridge restoration volunteer
Diana Barbera-Horwitz
So pleased with the results of one workshop, she just had to try another, Diana credits:
The people, the people, the people -- the team effort was exceptional.
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Our Team

Board of DirectorsStaffInterns & Volunteers | Advisors and Consultants |


Judith Broeker – Program Director
Boulder, Colorado USA

Adventures in Preservation Board Member Judith BroekerJudith Broeker is co-founder of Adventures in Preservation, which was preceded by her own company, Preservation UnLtd. She is a materials conservation specialist with both research and hands-on experience gained at historic structures in the United States and abroad. Judith holds a Master’s degree in History with an emphasis in historic preservation. She responds to all AiP requests for preservation assistance and works with community members to develop each project. For her, nothing is better than exploring a historic site with camera in hand.


Yvonne Caragounis
Staffanstorp, Sweden

Adventures in Preservation Board member Yvonne CaragounisYvonne Caragounis is a LEED AP certified architect and project manager specializing in historic preservation and cultural resource management. She has a Masters in Architecture (Diplôme de Deuxième Cycle) from École d’Architecture de Paris La Villette in Paris, France, and recently earned a Masters of Science in Building Conservation from Heriot-Watt University, Edinburgh, Scotland.

Yvonne has worked in design and construction for 15 years, both in the US and Europe. Originally from Europe, she has lived, worked and volunteered in Sweden, France, UK, Romania, Latvia, Hungary, Poland and more. Many of the projects she worked on consisted of renovations and repairs to existing buildings and much of the work was carried out working in teams spanning different disciplines, borders and cultures.

Keen to put her historic preservation skills to use on international building conservation projects, Yvonne is working with AiP on project development.

Craig Deller – Director of Communications
Madison, Wisconsin USA

Adventures in Preservation Board member Craig DellerCraig Deller is a seasoned objects conservator with over 30 years of

experience in the scientific approach to conservation. In his position as principal conservator at Deller Conservation, he has successfully treated a diverse group of objects in a variety of complex and challenging situations. His projects have ranged from 19th century folk art to Pre-Colombian sculpture to a cell door from the Nuremburg prison.

Craig currently teaches conservation techniques for the graduate program in Historic Preservation at the School of the Art Institute of Chicago. As time permits, he offers his services pro bono through the American Institute for Conservation of Historic & Artistic Works (AIC).

Craig served as president of the Chicago Area Conservation Group (CACG) from 1993-99 and was on the Board of Directors of AIC, serving as director of communications from 1999-2005. During this time, he arranged for AIC to appear on the Antiques Roadshow. In 2016, he was elected as Fellow at AIC.

Jolie Diepenhorst – Director of Outreach
Denver, Colorado USA

Adventures in Preservation Board Member Jolie DiepenhorstJolie Diepenhorst has a BA in History and a Masters of Science in Historic Preservation, both from the University of Colorado. While a student, Jolie interned with Terracon Consultants, surveying 64 farmsteads; was a research intern for the Discover Denver program, creating a historic context and publishing two articles; and completed work for the Wise Family Homestead Complex nomination.

Jolie is currently working with Front Range Research Associates to document three 1870s houses prior to demolition. As an AiP board member, she is taking the lead on public outreach and marketing. She will also be writing the newsletter and assisting with project development.



Jamie Donahoe
Basel, Switzerland

Adventures in Preservation Board member Jamie DonahoeJamie Donahoe is co-founder of Adventures in Preservation. She has an AB in American Studies from Hamilton College and a Master’s degree in Preservation Studies from Boston University. She began her career as a historian at the U.S. National Park Service. Jamie has lived and worked outside the U.S. since 1996, working for UNESCO in Thailand and working on school and housing reconstruction in Bosnia for Care International. She is a seasoned world traveler who has built AiP’s online network and shares preservation insights and AiP project details via social media and our website.

Allison Suhan – Director of Development
Minneapolis-St. Paul, Minnesota USA

Adventures in Preservation Baord Member Allison SuhanAllison Suhan has a wide range of expertise that will have a direct impact on moving AiP forward. Allison received an MS in Heritage Conservation and Preservation through the School of Architecture at the University of Minnesota. Her BA was in Global Studies with a focus on European and African relations and a minor in Political Science.

Allison is currently a Heritage Preservation Planner for the City of St. Paul. Her previous experience includes research for the Center of World Heritage Studies, working with UNESCO in Gondar, Ethiopia, leading an undergraduate program to Guatemala, and working in international education at the University of Minnesota.

A thesis researching potential funding sources to finance Italy’s innumerable heritage sites prepared her for designing development and funding plans for AiP’s projects. She is also a talented public speaker with skills in intercultural communication. As a millennial, Allison is a whiz with WordPress and will help transform the AiP website.


Maria Regnier – Client Relations Specialist
Basel, Switzerland

non-profit volunteer, Adventures in PreservationCurrently calling Basel, Switzerland home, Maria met co-founder Jamie Donahoe at the annual Expat Expo and quickly realized that AiP was an organization where she could make a meaningful contribution. A US native, Maria has spent her career working in travel sales and marketing teams. She has helped numerous travelers plan for and embark on once-in-a-lifetime journeys. She has supported sales teams to become more efficient and profitable. And, most recently, built a quarterly travel industry newsletter that was distributed to some of the industry’s biggest players.

A seasoned traveler, Maria has found herself snorkeling the idyllic reefs of New Caledonia, enchanted by the gardens of Versailles and in awe of the striking panorama of Chicago’s skyscrapers and lakefront. She is always planning for and looking forward to her next adventure.

Volunteering has also always been an integral part of Maria’s life and she understands the fundamental importance, value and impact of volunteers. Grateful for the opportunity to work with AiP’s global team of like-minded individuals, Maria looks forward to helping you plan for your own adventure in preservation.

Elisabeth Sobieczky – Education Director
Vienna, Austria

Adventures in Preservation historic preservation organization volunteer, art history, building conservationElisabeth Sobieczky is an art historian, who holds a doctoral degree (Dr. Phil.) in Art History from the Technical University of Berlin, Germany, and a Master’s degree (M.A.) in Art History from the University of Würzburg, Germany. She taught for seven years at the University of Graz, Austria with courses covering issues in restoration, conservation and heritage preservation. She also worked with students at on-site preservation projects.

Elisabeth’s research is focused on restoration from a historical and aesthetic perspective, considering how restoration physically changes, and thus changes the way we look at, works of art, objects and buildings. With this in mind, what is the best approach for current restoration and conservation projects?

With her academic and teaching background, Elisabeth will combine her duties as Education Director with university outreach, developing partnerships between university programs and AiP projects. Her goal is to concentrate on the educational aspect of AiP projects to maximize learning outcomes.

Sean Etchells – Accountant
Fayetteville, North Carolina USA

Adventures in Preservation accountant Sean EtchellsSean Etchells lives in Fayetteville, NC where he recently began working as an auditor for the US Army Audit Agency. Prior to moving to NC, he worked as a tax associate in Denver, CO while completing his Master’s degree in Accounting from the University of Colorado. Before beginning his career in Accounting, Sean served in the US Army for 21 years and spent time in various European and Middle Eastern locations.

When not working, Sean enjoys traveling the world, kayaking, bicycling, skydiving and looking at cat memes on the internet. One of his recent adventures took him to the Mayan ruins of Uxmal in Yucatan, where he was able to walk among the ancient temples and buildings of a remarkable culture that has adapted to modern Mexican society. He is always on the lookout for the next trip, finding planning almost as enjoyable as the actual journey.


Amy Hetletvedt – Project Development & Promotion

Amy Hetletvedt Adventures in PreservationAmy Hetletvedt is a licensed architect, preservationist, and writer. For over fifteen years, her career has focused on adaptive re-use and community development work in under-resourced communities. She is often involved in the early planning phases of a project, providing assistance in master-planning, feasibility studies, and historical research.

Among other professional and volunteer positions, Amy has served as a Historic District Commissioner for the City of Detroit and is currently an editor for the website Architecture in Development. As a cross-disciplinary thinker, Amy brings the creative approach of an artist and the detailed, process-oriented approach of a researcher to her projects and collaborations.

Amy and her family are currently based in the Netherlands. She holds a Bachelor of Science in Architecture from the University of Michigan and a Masters degree in Architecture from the University of Washington.


Marcia Klopf
Boulder, Colorado USA

Adventures in Preservation volunteer Marcia KlopfMarcia Klopf began her studies at St. Olaf College and received a BA in Studio Art and Pre-Architecture, along with a Latino Studies concentration. She then earned a Master of Urban Planning, with a focus on historic preservation, at the University of Illinois. While a graduate student, she worked as a Research Assistant with the City of Washington, Illinois. The collaboration focused on the historic resources in the City of Washington, IL. Marcia completed the background work for a National Register nomination, wrote historic district design guidelines and compiled a resource book for historic district property owners. She also worked as the Preservation Planner for the City of Madison, Indiana and worked with the HPC, grant programs, and property owners to protect Madison’s historic resources.

Marcia currently works for Winter & Company, an urban planning, historic preservation and urban design consulting firm that works with communities around the country to guide future development through the use of design guidelines, preservation plans, and training manuals. She is working with AiP on marketing and outreach, as well as providing support for organizational development.

Susie Trexler – Publicity & Promotions
Seattle, Washington USA

historic preservation experience, Adventures in Preservation, volunteer preservation projectsSusie Trexler has a Master’s in Historic Preservation from the University of Oregon. While an undergraduate at Lewis and Clark College, she attended Pacific Northwest Preservation Field School with the University of Oregon for two summers, during which time she developed a particular interest in historic preservation. She has also studied abroad in Greece (where one of her favorite archaeological experiences was matching ancient pottery shards). Susie wrote her senior thesis on the post-WWII decline of the American front porch as an architectural feature.

Susie built a broad base of preservation experience by interning with governmental and non-governmental preservation agencies, including Adventures in Preservation. She interned with the Nevada Historical Society, the National Park Service in Anchorage, Alaska, and, as a Student Conservation Association intern, with the Marsh-Billings-Rockefeller National Historical Park. She works full-time as an Architectural Historian / Staff Scientist at Cardno ENTRIX and gracioulsy continues to volunteer with Adventures in Preservation.


Jane Britt Greenwood, AIA
Starkville, Mississippi USA

Jane Britt Greenwood, Adventures in Preservation Advisory BoardJane Britt Greenwood is a licensed architect, who worked in Boston for a number of years. In 1992, she took the position of University Architect for the newly founded American University of Armenia (AUA) in Yerevan.

She spent eighteen months in Armenia working on the design and development of an American-style university, teaching architecture students at the Yerevan Institute of Architecture and Construction.

Since entering academia in 1994, Dr. Greenwood served as Associate Dean in the Mississippi State University College of Architecture, Art, and Design, returning to the teaching faculty in 2009. Dr. Greenwood is also co-founder and President of Historic Armenian Houses, a cultural NGO located in Yerevan, Armenia.

Zeina El-Cheikh
Lattakia, Syria

Zeina El-Cheikh, Adventures in Preservation Advisory BoardZeina El-Cheikh’s ties to AiP began when she was working toward her degree in architecture, and was developing a project to save and preserve the Al-Khawabi Citadel in Syria. AiP advised her on this rehabilitation project, and she went on to successfully complete her Architecture degree. Since then, Zeina has been involved in architectural survey and documentation of historic houses including CAD drawings; documentation and drawings of archaeological excavations; residential design; graphic design and illustration; and most recently, engineering studies and consulting.

Ms. El-Cheikh serves as AiP’s regional contact in the Middle East and has contributed articles on AiP to several journals. In addition, she is our language expert, speaking Arabic, French, English and German.