Tregaron Conservancy Board of Directors

In anticipation of receiving the donation of land, a newly formed, non-profit organization – the Tregaron Conservancy – was founded. A Tregaron Conservancy Board of Directors was formed in January 2006, and the Conservancy received its Certification of Incorporation from the District of Columbia on January 24, 2006. The Board adopted its By-laws at its first meeting on February 7, 2006.


Tamara Belt

Tamara joined the Conservancy’s Board in 2010 and serves as the Chair of its Landscape Committee.  Tamara is a landscape designer and owns her own firm, Hawthorne Garden Design, which specializes in high-end residential landscape design in the DC metropolitan region.

Before earning her degree in landscape design, Tamara was an Environmental Economist at the World Bank and the Inter-American Development Bank for over ten years, where she focused on projects in the environmental sector, such as:  establishing protected areas in Asia; promoting ecotourism in Brazil and Bolivia; and designing afforestation projects in Central America.  She earned her Ph.D. in Economics from the London School of Economics.

A native Spanish speaker and half-Colombian, Tamara also previously served as co-chair of the PTA at the Oyster-Adams Bilingual School.  Tamara is married to Sean Greene, and they live in Woodley Park with their three children.  She is delighted to be able to support the restoration of this neighborhood treasure.



George Idelson, a WWII veteran, is cited in “G Company’s War” and Stephen Ambrose’s “The Victors.”  George holds a Marketing degree from New York University.  As an advertising professional, he helped introduce the Porsche automobile into the US market and taught advertising at George Washington University.  George set up a public service advertising program for the Federal Trade Commission, was a consultant to the US Office of Consumer Affairs, and was a partner in a Public Relations firm specializing in consumer affairs.  More recently he edited and published a public policy newsletter on consumer advocacy.  George lives in Washington, DC, and is a board member of the National Coalition to Save Our Mall, a nonprofit organization devoted to advancing the democratic ideal of the National Mall.  George is the past president of the Cleveland Park Citizens Association.  He currently serves as a Trustee on the Committee of 100 on the Federal City and on the board of the DC Federation of Citizens Associations.


Executive Director Bonnie LePard signs in volunteers on the President's Call to Service Day, Jan. 19, 2009

Bonnie LePard signs in volunteers on the President’s Call to Service Day, January 19, 2009

Born and raised in Coeur d’Alene, Idaho, Bonnie made her way east to Wesleyan University in Connecticut where she received a B.A. in English.  She did graduate studies at Oxford University before obtaining a J.D. from New York University School of Law.  Bonnie then clerked in the U.S. District Court for the District of Columbia for Judge Barrington D. Parker and Chief Judge Aubrey Robinson.  She entered the U.S. Department of Justice Honors Program in the Environmental Crimes Section.  After 20 federal criminal trials, Bonnie took a sabbatical to have children and practice law pro bono for several non-profit organizations.  She has served on several boards including Wesleyan University, Lutheran Social Services, Beauvoir Elementary School, and the Friends of Tregaron Foundation as President/Executive Director.  Along with others in the community, Bonnie was instrumental in defeating a number of housing development proposals that threatened Tregaron’s historic landscape over many years.  She also organized neighborhood task forces to work with the Washington International School on its building and expansion plans.  In 2006 when the Conservancy was founded, Bonnie served as Board Chair, and served as Executive Director from 2008 until March 2015.

Bonnie is married to Bruce Reed who was President Clinton’s Domestic Policy Advisor, CEO of the Democratic Leadership Council, Director of the Simpson-Bowles Deficit Commission, Chief of Staff to Vice President Biden, and the President of The Broad Foundation.  He is now CEO of Civic, a bipartisan policy ideas company he co-founded.  Bonnie and Bruce have two grown children, Julia and Nelson.  They love living in Cleveland Park.


Clayton Lewis is the Head of Washington International School. Clayton has administered international schools for the last 27 years, most recently as director of the International School of Luxembourg, and formerly as high school principal at the American School in London and the American School of The Hague.  Clayton holds a B.A. in history from Rhodes College, an M.S. in educational administration from the George Peabody School of Education at Vanderbilt University, and has completed advanced graduate studies focusing upon international school leadership at Boston University.  Clayton became head of Washington International School in August 2007 and is currently a member of the board of trustees of the European Council of International Schools.

Tregaron Conservancy Board Members Susan Lynner and Bonnie LePard show off TC's first sign (February 6, 2008)

Susan Lynner and Bonnie LePard show off the Conservancy’s first sign (February 6, 2008)


Susan Lynner is Vice Chair and Secretary of the Board.  Susan retired as a Senior Vice President in the Washington Research Office of Prudential Equity Group, LLC, in March 2007, following almost 20 years of service offering institutional investors a broad perspective on federal legislative, regulatory and judicial developments affecting individual companies and industries, chiefly in the fields of telecommunications and media.  Prior to her tenure with Prudential, Susan worked as a consultant on trade policy for Newmyer Associates and on technology transfer issues at the Commerce Department’s International Trade Administration. Susan has a Bachelor of Arts degree from Allegheny College.

Susan bought her house on Newark Street in 1998, after living at Woodley Park Towers for ten years.  She served on the board of the Cleveland Park Historical Society from 2002 to 2007.  She edited the CPHS newsletter Voices from Fall 2002 through Spring/Summer 2006.  In addition to her work on Voices, Susan put her house on the CPHS October 2003 house tour and her garden on the CPHS May 2006 garden tour.

Susan also serves on the board of Opera Lafayette, an American period-instrument ensemble based in Washington, DC, dedicated to performances of 17th- and 18th-century operas, particularly the French repertoire.

Tregaron Board members Nancy MacWood (3rd from left) who represents the Advisory Neighborhood Commission and George Idelson (3rd from right) who represents the Cleveland Park Citizens Association

Nancy MacWood (3rd from left) and George Idelson (3rd from right)

Nancy MacWood is the Governance Chair of the Tregaron Conservancy Board and is a Commissioner on DC’s Advisory Neighborhood Commission 3C, which has strongly supported the creation of the Tregaron Conservancy and the preservation of the Tregaron landmark property.  She is the co-chair of the ANC Historic Preservation Committee and the Planning and Zoning Committee.  She has served on several city-wide task forces, including the DC Comprehensive Plan Revision Task Force and the multi-year task force reviewing and revising the District’s zoning code.  Nancy is a board member of the Rosedale Conservancy, which is also located in Cleveland Park.  She is the chair The Committee of 100 on the Federal City, the oldest citizen planning organization in the nation.  She and her husband, Robert Brandon, and occasionally one or more of their three daughters, live in Cleveland Park.

Ann Navaro

Ann Navaro


Ann Navaro is an attorney focusing on environmental and natural resources issues and litigation. She brings her extensive experience with land use, environment, and resource law to the Tregaron Board. Ann hails from Cincinnati, Ohio, where she served on the board of a historic house and other philanthropic and non-profit organizations. She holds a B.A. from Wellesley College and a J.D. from the University of Cincinnati. Ann lives in Dupont Circle with her two children, who attend Maret School and Edmund Burke School.


Nick Netchvolodoff


Nick Netchvolodoff serves as President of the Cleveland Park Historical Society, where he helps to preserve and enhance the historical integrity of the neighborhood.  Nick worked in finance at a several telecommunications companies, including MCI Corporation and PSINet, and was a Vice President at Lehman Brothers and Barclays Capital before starting an independent financial consultancy in 2010. Nick earned a B.A. in Mathematical Economics from Brown University and is a certified public accountant.
Nick has lived in Cleveland Park since 1996 with his wife Cathy Livingston, a partner at the Jones Day law firm, and with their children, who attend St. Albans School and National Cathedral School.

LYNN PARSEGHIAN, Executive Director

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Executive Director Lynn Parseghian (photo by Pablo Sartor)

Lynn Parseghian joined Tregaron as Executive Director in February 2015 with 20 years of experience practicing law in Washington at the law firms of O’Melveny & Myers LLP and Crowell & Moring LLP, in litigation and regulatory areas ranging from class action litigation to environmental law.   Throughout her legal career, she had an active pro bono practice.  Lynn served for many years as outside counsel to the Corcoran Gallery of Art, counseling the museum on a wide range of matters including exhibition and publication contracts, special events, contractors, insurance and employment issues.

Lynn has held a number of leadership roles in DC’s nonprofit and philanthropic communities.  For seven years, she served on the Board of Directors of Cultural Tourism DC in various roles, including Treasurer and Chair of the Development Committee.  In 2012, she was appointed interim Executive Director of Cultural Tourism DC, leading the organization through its annual gala and major events planning season and in planning its heritage trails.  She served for nine years on the Board of Directors of the Young Women’s Project, a DC-based youth leadership and advocacy program.

Since 2007, Lynn has been a member of the Rainmakers Giving Circle of the Washington Area Women’s Foundation.  From 2013 to 2015, she co-chaired the Circle, co-managing all of its grant-making, grantee assessment and educational activities.  Lynn currently serves on the Board of Directors of Adventure Theatre MTC.  She volunteers at Maret School in several capacities and has worked with the faculty on environmental curricula and projects.

Lynn holds a B.A. in English from the University of Pennsylvania and a J.D. from the University of Chicago.  She grew up in the Washington area.  She and her husband and their two children enjoy living in Cleveland Park next to the Tregaron woodlands.

Conservancy Board Members Denise Schlener, Susan Lynner & Bonnie LePard at Tregaron's 2013 Easter Egg Hunt (photo by Michael Mitchell)

Denise Schlener, Susan Lynner & Bonnie LePard at Tregaron’s 2013 Easter Egg Hunt (photo by Michael Mitchell)


Denise Schlener is Chief of Staff to the COO of the Humane Society of the United States.  Before joining the Humane Society, she was Vice President for Strategic Advancement at Island Press, a nonprofit organization that works to provide the best ideas and information to those seeking to understand and protect the environment and create solutions to its complex problems.  Before joining Island Press, she was National Director of the Land Trust Alliance.  Denise previously served as Director of The Trust for Public Land’s Chesapeake and Central Appalachian Field Office. 

Prior to coming to Washington, DC, Denise led the Connecticut Chapter of The Nature Conservancy; created and directed a finance program for the Open Space Institute that supported landscape scale conservation purchases in northern New England and New York; and opened and led the Connecticut office of the Connecticut River Watershed Council.  She also served as Director of Foundation Relations for the Natural Resources Defense Council in New York and Director of Development for Environmental Programs at Yale University.  She is a co-founder and former director of the Connecticut League of Conservation Voters and currently serves on the board of the Norcross Wildlife Foundation.  She has an undergraduate degree from Middlebury College and a Masters of Forest Science from the Yale School of Forestry and Environmental Studies.

Board member Greg Schmidt (4th from left holding cup) getting ready to plant trees at Tregaron

Greg Schmidt (4th from left, holding cup) getting ready to plant trees (photo by Michael Mitchell)


Greg Schmidt moved to Washington DC from Denver, Colorado, in 1966, when he was 15 and graduated from Wilson High School in the District.  He then attended Swarthmore College, where he majored in economics and political science, and Stanford Law School.  Between college and law school, he worked as a general assignment reporter for the Minneapolis Tribune and after law school worked at the US Court of Appeals for the Ninth Circuit in San Francisco as a court law clerk and Deputy Supervising Staff Attorney.  Returning to the District, he was a partner at the law firm of Covington & Burling specializing in media law and then worked at LIN Television Corporation most recently as Executive Vice President Digital Media.  He is now CEO of VoxFrontera, Inc., in Silver Spring MD, a company which is developing speech recognition and machine translation technologies.

He and his wife, Jennifer Lyman, the head of appeals at the D.C. Bar’s Office of Bar Counsel and an organizational development consultant, live in Chevy Chase DC. They have two children, Jordan and Owen, both of whom graduated from the Washington International School (WIS).   Greg was on the Board at WIS for seven years, the last two as Chair.


Dale Temple is Director of Facilities and Operations at the Washington International School.  Prior to his arrival at WIS in 2013, he became Facilities Director of the Association of American Medical College in Washington, DC.  Before moving to Washington,  Mr. Temple served as Facilities Director at the Seattle Country Day School from 1999-2010, where he supervised all aspects of the daily facility operations while also managing the school’s large capital projects.  Earlier in his career, he worked for the IKEA N.A. Group and for the University of Idaho. He received his B.S. from West Chester University and his CFM from the University of Washington.


Jim Wohlgemuth is Chair and Treasurer of the Board.  A native of Chicago, Jim has lived in Washington DC for over 30 years.  Jim began his professional career as a Marketing Representative for the E&J Gallo Winery in Denver, Colorado.  He then moved to Washington DC in 1983 and began working in the securities industry for Dean Witter Reynolds.  From 1987 to 2009 Jim was a Managing Director at Alex Brown and Sons and its successor companies.  He is currently a Managing Director at Morgan Stanley in Washington DC.  Jim received his MBA from George Washington University and a Bachelor of Arts in Political Science from Colorado State University.  He lives in Woodley Park with his wife, Caroline, and their four sons.

Jon Greenblatt, a partner in the Litigation Group at Shearman & Sterling LLP, has extensive experience in commercial and international litigation, including arbitrations and class action litigation, concentrating in the areas of antitrust, securities and bank litigation, bankruptcy, lender liability and major fraud investigations. Mr. Greenblatt joined the firm in 1980 and became a partner in 1989.  Prior to that, Jon received his J.D. from George Washington University Law School where he was a member of the Law Review.  Jon, his wife Linda Adams, their three daughters, and dog Hershey live in Cleveland Park where they enjoy a lovely view of Tregaron Estate’s north meadow a.k.a. “sledding hill.”