Leadership Profiles
GeoConcepts employs highly qualified individuals with unique capabilities. The senior leadership of GeoConcepts has an average of over 22 years experience and have spent their entire careers providing geotechnical-related solutions to projects in the Washington, DC area. They possess extensive knowledge of soil conditions and regulatory requirements in the various jurisdictions they serve. Their experience and expertise are trusted and relied upon by their clients to provide practical and cost effective solutions to development issues.
Vivian H. Lewis
President
B.A. International Business, The George Washington University
Ms. Lewis has over 26 years of experience in all aspects
of business management, operations and staffing. She is
responsible for management of day-to-day business operations,
strategic planning, and human resources.
Paul E. Burkart, PE
Director of Geotechnical Engineering Services
M.S. Geotechnical Engineering, University of Maryland
B.S. Civil Engineering, University of Maryland
Mr. Burkart has more than 22 years experience in geotechnical
engineering and materials testing, and has provided project
design and technical review of over 1,500 projects in the
Mid-Atlantic region.
Tadeusz (Ted) W. Lewis, PE
Director of Operations
M.B.A. Averett College
M.S. Civil Engineering, Virginia Polytechnic Institute
B.S. Agricultural Engineering, Virginia Polytechnic Institute
Mr. Lewis has more than 20 years of experience in geotechnical,
environmental, and hydrogeologic engineering. He oversees
the daily technical operations of the company. Mr. Lewis
is a member of the Loudoun County Economic Development
Commission, National
Association of Industrial and Office Properties (NAIOP),
American Society Foundation
Engineers (ASFE), Eisenhower
Partnership Board of Directors and Route 28 Highway Improvement
Advisory Board
R. Drew Thomas, CPG
Director of Geosciences Services
B.S. Geology, Radford University
Mr. Thomas has over 15 years of experience in geophysics,
geotechnical, environmental, geologic engineering, and
ground water resource investigations. He is an active member
in the Association
of Engineering Geologists and Northern
Virginia Building Industry Association.
Kristy Balwinski, PE, LEED AP
Director of Shared Services
M.S. Civil Engineering, Virginia Polytechnic Institute
B.S. Environmental Engineering, Rensselaer Polytechnic
Institute
Ms. Balwinski has more than 14 years experience in environmental,
hydrogeologic, and geotechnical engineering. She is responsible
for managing IT resources, operational processes within
the firm, and internal marketing. She is an active member
in Commercial
Real Estate Women.
Debra Hare
Director of Business Development
B.A. Public Communications, Luther College
For over 19 years, Ms. Hare has developed successful marketing,
business development, and public relations strategies for
professional service firms. She is an active member of National
Association of Industrial and Office Properties (NAIOP), DC
Building Industry Association (DCBIA), and Society
for Marketing Professional Services (SMPS).
Daniel Gradishar, PE
Environmental Services Manager
B.S. Biological Systems Engineering, Virginia Polytechnic
Institute
Mr. Gradishar has 12 years of experience in geotechnical
engineering, construction management, and environmental
studies. He is actively involved with the American
Society of Civil Engineers, Northern
Virginia Building Industry Association, and the Geo-Institute.
