George Mason UniversitySchool of Business

Advisory Board


benninghoff headshotBrian S. Benninghoff
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, 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.

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 BA from Davidson College in 1979.


BouchardStephenM -820592Stephen M. Bouchard
BS Management '84
President and CEO
Glass Distributors Inc.

Stephen M. Bouchard is president and CEO of Glass Distributors Inc., (GDI) a locally based glass and building products Distribution Company. Bouchard started working at GDI after graduating from the George Mason University School of Business in 1984. After serving in several capacities in the operations and administration of GDI, Bouchard was successful in acquiring the company in May, 2001. Bouchard has performed in an advisory capacity for many construction and renovation projects in the region working with developers, architects, general contractors and glazing contractors.

Bouchard is a lifelong resident of Northern Virginia and has served as the president of the Benning Road Lions Club and the Mid Atlantic Glass Association. He is currently a member of the Glass Association of North America, on the special gifts committee of the Arlington Free Clinic, serves on the Board of Directors of Washington Golf and Country Club, and is an active member of The Falls Church Anglican.


Joe carter photoJoseph L. Carter III
Executive Vice President and Division Manager
Wells Fargo & Company

Joe Carter is an executive vice president and division manager for Wells Fargo‘s Washington, D.C., Commercial Real Estate (CRE) office in the Mid-Atlantic Region. He is responsible for the lending and overall banking relationships with clients covering Washington / Baltimore region through South Carolina. This includes team members located in Washington D.C, Raleigh, Charlotte, and Charleston. Carter is based in the group’s Washington, D.C office.

As one of the nation’s leaders in the real estate industry, Wells Fargo provides a comprehensive platform of banking and financing solutions to regional and national owners, operators and developers, real estate funds, and real estate investment trusts(REITs). The CRE business line serves real estate clients nationwide as well as in Canada and the United Kingdom.

Carter joined Wells Fargo in  as the office manager and in 2009 was promoted to his current position. Prior to joining Wells Fargo, Carter was with Wachovia Bank for 12 years and had various positions in the real estate and corporate lines of business in both Atlanta and Washington, D.C. Carter also is a board member of the Washington Airports Task Force as well as an Advisory Board Member of George Mason University’s Center for Real Estate Entrepreneurship/Masters in Real Estate Development Program.

Carter holds a BS degree in business from Wake Forest University in Winston-Salem, N.C., and an MBA in real estate and corporate finance from the University of Georgia in Athens. A native of the Washington D.C. area, Carter currently resides in Oakton, Va., with his wife and two sons.


cumbie headshotStephen M. Cumbie
NVCommercial, Inc.

Stephen 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.

Cumbie is also the President of NVCapital Advisors, which manages the NVCommercial Real Estate Fund I, a $30+-million distressed real estate investment fund focused on the greater Washington area. From 2008 to 2011, 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, 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 (2013 revenues of $4.2 billion).  From 1973 through 1977, 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.

Cumbie serves in leadership roles in numerous community, business and charitable organizations in the Washington area,  including the immediate past Chair of INOVA Health System (2013 revenues of $2.54 billion).  He also serves on the boards of the INOVA Health System, the UNC Kenan-Flagler Business School Foundation, 1st Portfolio Corporation, the Tyson's Partnership, SonoMedica Inc. and Unity School of Christianity. 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.  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.


h headshotMark S. Hassinger
WestDulles Properties, Inc.

Mark Hassinger has over 35 years of real estate development and management experience. Hassinger 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 D.C. and focus on land and in the office, industrial and mixed use asset classes.  Prior to joining WestDulles Properties he was a Senior Vice President within the Land Design and Survey Division of Dewberry.

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. 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.

Hassinger was instrumental in the launch of the Master of Science in Real Estate Development program within George Mason's School of Business and continues to serve as an Adjunct Professor in the Program. 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.  Hassinger is currently a member of the Executive Committee of the Board of Directors and is Chairman of NAIOP Northern Virginia. He has served on several citizen advisory master plan committees for local Washington area jurisdictions as well as the Economic Development Commission in Loudoun County. He is currently serving on Loudoun County's Zoning Ordinance Action Croup. 


Photo Havenner Craig 1W. Craig Havenner
Christopher Management, Inc.

Craig Havenner is a locally owned and operated residential and commercial building and development company based in the City of Fairfax. The company is currently developing and constructing residential and commercial projects located in most Northern Virginia jurisdictions, Frederick County Maryland, and Sussex County Delaware. Havenner is well respected within the communities it serves and has won numerous local and national awards for their projects. As president, Havenner is responsible for land planning, development, product design, construction and customer service. Havenner joined the Christopher Companies in 1993 after nine years with the Artery Organization where he served as Vice President-Division Manager. Prior to joining Artery, Havenner managed Park Construction Operations for Fairfax County Park Authority. During his career, Havenner has managed the development and construction of several thousand condominiums, townhomes, garden apartments and single-family homes in the Washington Metropolitan area.

Havenner is a 1979 graduate of Purdue University with a degree in construction management. A native of Northern Virginia, he is married and has resided in the City of Fairfax with his family since 1980. He is actively involved in professional and community organizations, including Northern Virginia Building Industry Association (NVBIA), where he is a Past President and was named "Builder of the Year" in 2002 and the Home Builder's Association of Virginia (HBAV), where he has served as a Build-Pac Trustee, a member of the Executive Committee, and as Area 5 Vice President. He served two terms as HBAV's legislative chair, and is currently serving as 2nd Vice President. In addition, he presently serves as a member of the George Mason University School of Business Center for Real Estate Entrepreneurship Advisory Board, and is a Vice-Chairman of The City of Fairfax Economic Development Authority.


Jim Lee Headshot2James J. Lee
Rooney Properties LLC

Over a 30-year career in the commercial real estate industry, James Lee has been responsible for development, construction, leasing, asset management and sale of over 17 million square feet of office, industrial, institutional, multifamily, and retail space with an aggregate value of approximately $2.0 billion. He began his career with the OPUS Group in 1983 and became president CEO of Opus East LLC in 2004.  Lee is currently president of Rooney Properties LLC, a private real estate investment and evelopment comapny that is active in the Washington D.C. region.


Mark levy headshotMark G. Levy  
Managing Director 

Mark G. Levy is Managing Director and Mid-Atlantic Industrial Practice Group Leader for JLL. He also leads the firm's U.S. Port, Airports and Global Infrastructure Practice. In the Mid-Atlantic, Levy has direct responsibility and oversight for all of the Practice Group's activities in the region, including capital markets, agency and corporate occupier representation. Levy's specific transactional focus is industrial investor services, which includes investment sales, land sales and development/entitlement consulting. In addition, Levy serves as the Market Leader for JLL's Greater Baltimore/Suburban Washington Region, where he maintains full responsibility for all JLL operations across all service lines.

Levy's highly diverse career has spanned over 23 years and has included senior leadership roles in asset management, investment and development within both public and private real estate companies. Immediately prior to joining JLL, Levy served as Investment Officer/ Regional Head of Capital Deployment in the Eastern United States for Prologis (NYSE:PLD). Formerly, he ran the company's Mid –Atlantic operations, with responsibility for all company activities including asset management, development, acquisitions and leasing. Levy's previous positions also include South Florida Regional Vice President for Duke Realty Corporation (NYSE: DRE) and Regional Vice President/General Manager of Florida operations for Opus Corporation. Levy started his career in commercial real estate in New York City in 1991.

Levy currently serves as a member of the faculty of the Georgetown University Master's in Real Estate Program and as a member of the board of Center for Real Estate Entrepreneurship at the George Mason University School of Business. Levy was a dual Honors Economics and English major at Syracuse University and is a member of the Washington, DC Area Alumni Association. Levy furthermore serves as Chair of the NAIOP National Development Forum; Vice Chairman of the NAIOP Northern Virginia Chapter and serves on the Board of Directors of the Greater Washington Board of Trade. He is also an active member of the United States Capital Historical Society, the World Affairs Council and the Economic Club of Washington.


roger linRoger S. Lin
Weber Rector Commercial Real Estate Services

Roger Lin was the owner of Kinsey Properties, LLC and Managing Partner of Eyremount Investment Group, LLC, two small-scale real estate development firms in Northern Virginia he founded with his family. Since 2007 he has been investing in income producing properties and developable land in the Washington D.C. area. These efforts have resulted in more than doubling of the companies assets. He continues to grow and improve the quality of this real estate portfolio. Lin is an Associate Broker with Weber Rector Commercial Real Estate Services. He specializes in sales of land and investment real estate in Northern Virginia. He represents owners of large tracts of developable land and several local real estate investors and developers.

Prior to his work in real estate, Lin was an attorney in various national and regional law firms. He specialized in regulatory compliance, federal litigation support and real estate settlements. Lin is a licensed attorney with the District of Columbia Bar Association. He received his JD and MA in International Affairs from American University. He is a candidate for MS in Real Estate Development at George Mason University.


MD Marks HeadshotMartha D. Marks
NAIOP Northern Virginia

Martha Marks is the President of NAIOP Northern Virginia, the Commercial Real Estate Development Association. NAIOP Northern Virginia is a trade association which promotes the interests of owners, developers, investors and asset managers of commercial real estate. With approximately 900 members throughout the greater Washington DC area, the organization focuses its activities on government relations, economic development, education, and networking. Marks also serves as the executive vice president of the Virginia Association for Commercial Real Estate (VACRE), a coalition of commercial real estate associations established for the purpose of monitoring legislative and regulatory issues which affect the industry at the state level.

Prior to joining NAIOP, Marks held government relations positions at the Greater Washington Board of Trade and the Virginia Chamber of Commerce. She has also been involved in numerous Virginia political campaigns. As the appointee of three Virginia Governors, she served on the Board of Trustees of the Jamestown-Yorktown Foundation. From 1996 to 2008, she was also a member of the Executive Committee for the Jamestown 2007 Steering Committee which was responsible for planning the celebration of America’s 400th Anniversary.

Throughout her career, Marks has been involved in numerous organizations and activities that promote business growth in the Commonwealth of Virginia, they include the Northern Virginia Transportation Alliance, Northern Virginia Transportation Coalition, Virginia Chamber of Commerce and Northern Virginia Economic Development Coalition. As a NAIOP Northern Virginia initiated project, Marks was a member of the steering committee which planned and implemented the George Mason University Center for Real Estate Entrepreneurship and the Master’s in Real Estate Development. Marks is a graduate of Converse College in Spartanburg, South Carolina and has taken graduate courses at Virginia Commonwealth University in Richmond.


barbara picBarbara Schaefer McDuffie
Managing Director
Baker Tilly

Barbara Schaefer McDuffie joined Baker Tilly's (formerly Beers + Cutler) in 2007. Prior to joining Baker Tilly, she was a commercial real estate broker and held senior roles in her firms providing commercial real estate services to corporate office users and the institutional real estate community. In addition to brokerage services, McDuffie 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. As a managing director at Baker Tilly, McDuffie does business development and client relationship management primarily in the real estate sector. Internally, she provides training and development for the firms’ professionals.

 McDuffie 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 and 2014, and was recently elected to the NAIOP Governor’s Research Foundation board. She is a former board member of Virginia Area Commercial Real Estate (VACRE), served as president of the Northern Virginia Transportation Alliance, 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. In 2012, McDuffie received the Margaret Hodges Leadership Award. She has 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 Board for DC CREW and is in her third term on the Board of Directors. In 2014, she was honoured with the Outstanding Impact Award. McDuffie has also served on the advisory boards of Historic Charleston Foundation and the National Museum for Women in the Arts. McDuffie is a founding member, served as Recruitment Chair, and is chair emeritus of the Corporate Committee of the Trust for the National Mall and was recently elected to the board of Hopecam, which benefits children with cancer.

McDuffie 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.


plein headshotScott Plein
Equinox Investments, LLC

Scott Plein is the founding principal of Equinox Investments, LLC, a real estate investment, development, and management firm specializing in community planning and entitlements in Northern Virginia. A lifelong resident of the Commonwealth of Virginia, Plein began his career in the late 1970's when he founded KT Enterprises, Inc., a local landscape development firm. Today KT, along with its affiliate companies, provides turn-key site development solutions for some of the most prestigious home builders, developers, and commercial contractors in the Washington, D.C. area. Plein has served on several local and regional boards--Northern Virginia Transportation Alliance and NAIOP Northern Virginia to name just a few—is a past-president of the Northern Virginia Building Industry Association, and immediate past-president (after serving six years) 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 chaired Capital Caring’s Building and Development Committee for the recently completed 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 non-profit 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 in our natural ecological systems, sustainable agriculture, holistic community planning, conservation, and respect for local history and culture.


Ken Ryan webKenneth A. Ryan
Chief Financial Officer, Secretary, Treasurer, and Partner
The Van Metre Companies

Kenneth A. Ryan, Chief Financial Officer, Secretary, Treasurer and Partner of The Van Metre Companies, has been with Van Metre since 1984 holding various financial positions including Controller, Vice President of Finance and Executive Vice President. As chief financial officer, he is responsible for all financing, financial and income tax reporting, human resources, risk management and information technology. As a co-owner and principal of the Company, he is involved in all strategic planning, deal structuring and operational management of Van Metre. Prior to joining Van Metre, Ryan was a Certified Public Accountant employed in the Audit Department of Peat, Marwick, Mitchell and Co. (now KPMG) an international accounting firm. During his four years there, he held positions of Staff Accountant and Senior Accountant. Ryan was involved in the audits of many large and small organizations with industry concentration in banking, real estate and county governments. Ryan graduated from James Madison University in 1980 with a bachelor of business administration degree, with a major in accounting. He was licensed in the state of Virginia as a CPA.


Titus2c Leo 0259 8x10 ECS 0702 c 2012Leo J. Titus, Jr., P.E.
ECS Mid-Atlantic

Leo Titus is president of ECS Mid-Atlantic, LLC. A subsidiary of ECS, Ltd.. The company is one of the nation’s leading geotechnical engineering, environmental consulting, construction materials testing and facilities engineering firms. Titus joined ECS in 1997 and has over 25 years of experience in geotechnical engineering and Special Inspections. After graduating from Clarkson University in 1991 with a Bachelor of Science in Civil Engineering, Titus earned a Master of Science in Geotechnical Engineering from the University of Maryland and an MBA from the University of Mary Washington. He is a licensed Professional Engineer in Virginia, Maryland, Washington, D.C., and several other states. Titus is very active serving in leadership roles for industry and charitable organizations, including President of The Committee for Dulles; Past President of WACEL (an association of geotechnical and construction inspection firms); Chairman of the ASTM E36 Main Committee; Chairman of the American Society of Engineers Committee of Civil Engineering Technologists; Vice President of The Builder's Foundation (a Loudoun County, VA., based charitable organization); and Past President and Co-Founder of the Committee for Dulles Community Outreach.

Led by his passionate interest in education, Titus is a regular guest lecturer on multiple subjects at several universities, including George Mason University, Clarkson University, and Virginia Tech. He also enjoys teaching civil engineering principles as part of a STEM program with local kindergarteners in Northern Virginia. Titus was a member of Fairfax County's Urban Search and Rescue team (VA-TF1) for 11 years and was deployed as part of the search, rescue and recovery mission at the Pentagon on September 11, 2001. That same year, he received the award for "Outstanding Contributions by a Civilian Member" by the Washington, D.C. post of the Society of American Military Engineers.

After losing his first wife to breast cancer in 2003, Titus and his three daughters have been major fundraisers for the Susan G. Komen Foundation's National Race for the Cure. Since 2004, the Titus family has raised over $150,000 to support breast cancer research and early detection programs for underserved communities.


 Members Not Pictured Above

Steven Alloy
Stanley Martin Companies

Gary Bowman
President and CEO
Glass Distributors Inc.

Barbara Byron
County of Fairfax, Office of Community Revitalization

Dennis Cotter
Senior Executive Vice President
James G. Davis Construction

Andre Kinny
COO and Investment Advisor
Real Estate Capital Partners

Michael Lubeley
Walsh Colucci Lubeley & Walsh

Antonio Marquez
Executive Vice President and Chief Lending Officer

Eric Maribojoc
Executive Director, CREE, School of Business
George Mason University

David Neuman
Trammell Crow Company 

Sarah Nutter
Dean, School of Business
George Mason University

Jon M. Peterson
Senior Vice President, Commercial Development
The Peterson Companies

Coleman Rector
Weber Rector Commercial Real Estate Services, Inc.

Ben Tompkins
Reed Smith

Bob Wulff
former Executive Director, CREE, School of Business
George Mason University