Karl F. Lehmann serves as Senior Vice President for Preston Scheffenacker Properties. He joined the team in 1996 and plays an integral role on the development team, actively involved with development services from acquisition through construction and tenancy.

Karl graduated from Cornell University with a BS degree in 1988 and from Loyola University with an MBA in 1993.

After his first 10 years with Preston Scheffenacker specializing in Office, Industrial Sales and Leasing in the Baltimore-Washington Corridor, Karl shifted his primary focus to development in 2007.

As a member of the Society of Industrial and Office Realtors, Karl served on the Maryland, DC and Northern Virginia Chapter's executive board as Public Relations Director, Vice President and President.

Between 2007 and 2017 Karl volunteered as a coach for youth lacrosse teams at McDonogh School and TLC club programs.

As a McDonogh School 1984 graduate, he remains active in the McDonogh School Alumni Association and served as the Association President in 2004.