David L. Vogel

Managing Partner

With over 35 years as a parking design consultant, David has become an expert in the nuances of functional design and land-use planning. His broad and varied project experience has allowed him to provide cost-effective design solutions to clients worldwide. David’s knowledge of parking operations, demand/feasibility analyses and parking structure functional design allows him to design not only user-friendly, but operationally-efficient facilities.

Warren C. Vander Helm


Warren has been offering parking operation and design consultation for over 40 years on projects ranging from small surface lots to multi-level facilities serving thousands of vehicles. As a former principal with a large urban commercial parking company, he gained valuable operations knowledge allowing a special understanding of functional issues in commercial parking structures. He is also an expert in architectural signage and wayfinding and their applications in parking facilities, as well as a premier expert witness consultant.