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Our Team
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Kenneth Mackiewicz, P.E. Chief Executive Officer – Mr. Mackiewicz is a Founding Member of PDE and serves as Chief Executive Officer. He has over 40 years experience in the industry. Mr. Mackiewicz has appeared and testified before hundreds of Municipal Boards throughout the New York Metropolitan Area.

He served as a consulting engineer on many of the original major retail developments in the New York Metropolitan Area, including but not limited to Bridgewater Commons Mall, Jefferson Valley Mall, Quaker Bridge Mall. Mr. Mackiewicz is currently serving as consulting engineer to the American Dream development (formerly Xanadu) at the NJ Meadowlands Sports Complex.

carlito holt

Charles ‘Carlito’ Holt, P.E., PTOE Chief Operating Officer – Mr. Holt is a Founding Member of PDE and serves as Chief Operating Officer. He has almost 20 years experience in the industry. Mr. Holt’s experience ranges from working on commercial developments from 5,000 to over 2 Million square feet, residential developments ranging from 10 to over 2,000 units. He has appeared and testified before dozens of Municipal Boards throughout the New York Metropolitan Area.

brian dempsey

Brian Dempsey, P.E., PTOE Executive Vice President – Mr. Dempsey is a Founding Member of PDE and serves as Executive Vice President. He has over 30 years experience in the industry. Mr. Dempsey has appeared and testified before hundreds of Municipal Boards throughout the New York Metropolitan Area. He serves as a consulting engineer to numerous municipal agencies throughout the New York Metropolitan Area. He has prepared numerous Safe Routes to School Plans/Applications to secure funding for local school districts. Mr. Dempsey has also served as consulting engineer for Traffic Signal and Roadway Design on hundreds of roadway improvement projects throughout the area.