Advisory Board
Benninghoff, Brian S. 
Partner
Buchanan Partners, LLC
Brian S. Benninghoff is a Principal at Buchanan Partners, LLC., one of the largest commercial real estate developers in the Washington, D.C. metropolitan area. Over the last decade, Buchanan Partners has acquired, planned, or developed over 1,600 acres of commercial land as well as over five million square feet of property including office, industrial, flex, retail, and mixed-use projects. Prior to forming Buchanan Partners, Mr. Benninghoff developed real estate in the Washington, D.C. area and completed over $50 million of commercial and mixed-use projects, predominantly in Washington, D.C. and Northern Virginia.
Mr. Benninghoff is a board member and a member of the Executive Committee of the Northern Virginia Chapter of NAIOP and recently retired as a member of the Board of the New Community After School Program. He earned his B.A. from Davidson College in 1979.
Cumbie, Stephen M. 
President
NVCommercial, Inc.
Mr. Cumbie is Chief Executive Officer and Principal of NVCommercial Incorporated, NVRetail and the Metro Realty group, commercial real estate investment, development and services companies which projects exceed $500 million completed or in process in the Washington, D.C. and Denver, Colorado metro areas. NVCommercial (http://www.nvcommercial.com/) and NVRetail (http://www.nvretail.com/) projects include office, retail, hotel and mixed use properties. Metro Realty firms (http://www.metromgt.com/) provide asset management, property management and development management services for both NVCommercial/NVRetail and third party clients.
Mr. Cumbie is also the President of NVCapital Advisors, which manages the NVCommercial Real Estate Fund I, a $24-million distressed real estate investment fund focused on the greater Washington area.
From 2008 -2011, Mr. Cumbie served as the Executive Director of the Center for Real Estate Development at the University of North Carolina's Kenan-Flagler Business School and an adjunct professor. He co-taught the real estate development course in the MBA program.
Prior to founding NVCommercial, NVRetail and Metro Realty Group, Mr. Cumbie was President from 1977 to 1983 of Elm Street Development (formerly NVLand Incorporated), a residential land development company. He is a founder of all the "NV" companies including NVR, a publicly traded home-building company that operates through the Ryan Homes and NVHomes trade names (2010 revenues of $3.06 billion). From 1973 through 1977, Mr. Cumbie was Vice President and Project Manager for Venture Management Incorporated, a resort development firm located in Atlanta, Georgia. He graduated Phi Beta Kappa from the University of North Carolina in 1970 and received a Masters in Business Administration from UNC in 1973.
Mr. Cumbie serves in leadership roles in numerous community, business and charitable organizations in the Washington area, including the current Chair of INOVA Health System (2009 revenues of $2.25 billion). He also serves on the boards of the UNC College of Arts and Sciences Foundation, Micronics Technology, SonoMedica Inc. and Washington Woodworking.
Mr. Cumbie previously served on the Boards of Directors of NVR Inc., Potomac Bank of Virginia and the Fairfax County Chamber of Commerce. He was President of the Northern Virginia Chapter of the National Association of Industrial and Office Properties (NAIOP) in 1991 and served as a member of the national NAIOP Board from 1999-2004. Mr. Cumbie was appointed to the Virginia Public Buildings Board by Governor Mark Warner and the Virginia Port Authority Board of Commissioners by Governor Tim Kaine.
Hassinger, Mark S.
President
WestDulles Properties, Inc.
Mark Hassinger has over 30 years of real estate development and management experience. Mark joined WestDulles Properties as Senior Vice President in late 2004 and was appointed President in 2006. He is responsible for the firm's development activities which are concentrated in Fairfax, Prince William and Loudoun Counties in the Northern Virginia area of Metropolitan Washington DC and focus in the office and industrial product segments. Prior to joining WestDulles Properties he was a Senior Vice President within the Land Design and Survey Division of Dewberry, a 1,600-person professional services firm operating nationally.
Before joining Dewberry he was a Development Director for Lerner Enterprises, a full-service real estate development firm based in the Washington, D.C. area. Prior to joining Lerner Enterprises in 1993, Hassinger spent 9 years as Director of Development with Lee Sammis Associates' Northern Virginia office and was instrumental in setting the standards for its developments, which earned a reputation for design excellence within the real estate community.
Mr. Hassinger's expertise includes development management; land search and acquisitions; and marketing, with a concentration in commercial real estate projects. He has extensive experience in the land use entitlement process of local jurisdictions throughout the Washington, D.C. metropolitan area.
Mr. Hassinger was instrumental in the launch of the new Graduate Real Estate Program at George Mason University's Center for Real Estate Entrepreneurship. Mark has been the moderator for numerous Urban Land Institute real estate workshops and seminars and has also been a member of the Practitioner Faculty of The Johns Hopkins University Master of Science in Real Estate program. He holds a master's degree in Community Planning from the University of Rhode Island and has done further graduate work in financial management at George Washington University. Mr. Hassinger is currently a member of the Executive Committee of the Board of Directors and is Chairman Elect of NAIOP Northern Virginia. He has served on several citizen advisory master plan committees for local Washington area jurisdictions and currently serves as a Commissioner on the Loudoun County Economic Development Commission.
Lee, James J.
Northeast Regional Director
Manhattan Construction Company
Levy, Mark G. 
Vice President, Investments, East Region
Prologis, Inc.
Mark G. Levy is First Vice President of Investments with Prologis (NYSE: PLD) and oversees and directs the company's capital deployment activities in the Mid Atlantic, U.S. and the State of Florida.
Prior to joining Prologis in January, 2006, Mark served as Regional Vice President and Business Unit Head of Duke Realty Corporation's Florida operations. Previous to that, Mark served as Regional Vice President and General Manager of Opus Corporation's Florida operations.
Mark is the current Chairman of the NAIOP National Industrial Development Forum and serves on the Editorial Board of NAIOP's Development Magazine. He also serves on the Board of Directors of the Greater Washington Board of Trade. Mark is also a member of the adjunct faculty at Georgetown University.
A native of Philadelphia, Mark and his family currently reside in Bethesda, Maryland.
Marks, Martha D.President
NAIOP Northern Virginia
McDuffie, Barbara Schaefer
Director
Baker Tilly
Barbara Schaefer McDuffie joined Baker Tilly's (formerly Beers + Cutler) real estate group in 2007. Prior to joining Baker Tilly, she was a Senior Vice President at Cassidy & Pinkard, a Senior Managing Director at Julien J. Studley, a Principal at Barrueta and Associates (now Transwestern) and a Vice President at Smithy Braedon. Barbara has been providing commercial real estate services to corporate office users and the institutional real estate community since 1982.
In addition to brokerage services, Barbara has provided up front real estate consulting and advisory services analyzing real estate portfolios, relocation opportunities as related to demographics and strategic planning relevant to consolidations, acquisition and disposition, which led to significant real estate accounts.
Barbara is a Past Chairman of the Board of Directors for the Northern Virginia chapter of NAIOP, where she remains active on the Board and as a Mentor in the Developing Leaders Program. She worked with other past NAIOP Chairmen to establish the graduate Real Estate program at George Mason University and is serving her third term as a member of the National Board of Directors. She was Member of the Year for NAIOP in 1992. She is a former board member of Virginia Area Commercial Real Estate (VACRE), served as president of the Northern Virginia Transportation Alliance and is a current member of its Board and serves on the ULI Trends committee. She is a founder and serves as co-chair of Lombardi Women & Wine annual dinner, benefitting breast cancer research, co-chair of the Corporate Committee for the Lombardi Gala, and co-chaired the 2009 and 2010 CoreNet Mid –Atlantic Gala, where she also served as the master of ceremonies. She has served on the Advisory Boards for DC CREW, Historic Charleston Foundation and the National Museum for Women in the Arts. Barbara is a founding member and served as Recruitment Chair and currently co-chairs the Corporate Committee of the Trust for the National Mall.
Barbara spent four years living in Paris and London, with her husband. While living in Paris, she was on the founding committee for Les Amis du National Museum of Women in the Arts, organized marketing and journalism seminars for Northwestern University graduate students and chaired fundraisers for the American University in Paris and Helen Keller Worldwide.

David R. Millard joined the McLean office of Avison Young as a Principal in April 2011. Formerly, he was an Executive Director with Cushman & Wakefield, which he joined in early 2004. Mr. Millard has over 25 years experience in commercial real estate in the Washington Metropolitan area marketplace. Mr. Millard has focused his efforts on landlord representation and corporate tenant representation services throughout the greater Washington Metropolitan area. Mr. Millard's experience spans a wide range of real estate transactions on behalf of his clients, including lease acquisitions and dispositions, build-to-suits, investment sales and structured financing. He has been involved in more than 8 million sf of real estate transactions since 1996.
Prior to joining Cushman & Wakefield, Mr. Millard spent eight years with Transwestern Commercial Services as Senior Vice President of Owner Advisory Services. In that position Mr. Millard specialized in office leasing and sales in Northern Virginia and was a stockholder in the firm. Mr. Millard was also a partner at Smithy Braedon during his tenure there from 1984 - 1996.
Mr. Millard began his real estate career in 1980 with Skidmore, Owings & Merrill (SOM) where he was an interior design Project Manager. While at SOM, he was the Project Manager for the interior design of the 350,000 sf Terrace Building expansion of the National Geographic Society Headquarters. In 1982 and 1983, Mr. Millard was Director of Interior Design for Ellerbe Associates (now Ellerbe Becket).
Sr. Vice President, Commercial Development
The Peterson Companies

Owner
Equinox Investments, LLC
Plein has served on several local and regional boards - the Northern Virginia Transportation Alliance and the Northern Virginia Chapter of NAIOP, to name just a few, and is past-president of the Northern Virginia Building Industry Association. He is currently president of the Dulles South Alliance, an association of business and resident leaders dedicated to providing an open forum to the public on the future development opportunities in the Dulles South region. He also chairs the Building and Development Committee for the soon to be constructed Capital Caring's 'Adler Center for Caring', a state-of-the-art inpatient hospice center.
An involved citizen in the community in which he lives, Plein recognizes the great responsibility of giving back and supports many non-profits and charitable groups through not only a devotion of financial resources, but more importantly, time. From his mentorship of young leaders in commercial real estate through the George Mason Center for Real Estate and Entrepreneurship program and NAIOP Northern Virginia's Developing Leaders, to his guidance of the Arc360 program for Asian American Success students, Plein is dedicated to helping advance the social, personal and professional fulfillment of our young leaders.
In his spare time, Plein devotes himself to the White House Farm Foundation, a nonprofit educational foundation established after his purchase of the 270 acre historic 'White House' property in Luray, Virginia. Through the Foundation, Plein hopes to enrich individuals with the knowledge of and involvement with our natural ecological systems, sustainable agriculture, holistic community planning, conservation, and respect for local history and culture.
Senior Managing Director, Principal
Cassidy Turley



