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Copyright 2019 Gibbs Planning Group, Inc. All Rights Reserved

​​​Robert Gibbs, ASLA, AICP:  President & Managing Partner

Robert Gibbs serves as GPG’s president and managing director.  He is a registered landscape architect, professional planner and Charter Member of the American and European Congress for the New Urbanism. Robert teaches at Harvard’s Graduate School of Design Executive Education program and has authored numerous books including Principals for Urban Retail.  In 2012, Gibbs was honored by the Clinton Presidential Library for his life’s contributions to urban planning and development and by the City of Auckland, New Zealand for his planning innovations. Robert was also recently named one of the 100 Most Influential Urbanists of the past century by Planetizen and has consulted across the globe for over 2500 projects.

Gibbs has a Bachelor of Arts from Oakland University and a Master’s of Landscape Architecture from the University of Michigan.  He is a member of the American Society of Landscape Architects, The American Institute of Certified Planners, the International Council of Shopping Centers and the Urban Land Institute. Prior to founding GPG in 1988, Robert was an urban designer for the JJR/Smith Group and an urban planner at the Taubman Shopping Center Company.

 Andrew L. Littman, J.D., CNU-A Market Research Associate
Andrew Littman serves as Director of Research at GPG where he oversees its hotel, office, residential and retail market research for cities and new town centers. Prior to joining GPG in 2016, Andrew practiced law and then commercial brokerage before deciding on a career in urban planning and retail real estate consulting.   Andrew is a graduate of Skidmore College, the Moritz College of Law at The Ohio State University and obtained a graduate certificate in real estate development from the University of Michigan. He is a member of the State Bar of Michigan and the Congress for the New Urbanism, as well as being a licensed real estate salesperson. 

David N. Mangum,CNU-A, LEED APND  Director Urban Planning & Design
David Mangum serves as GPG’s Director of Urban Design and Planning and has been intricately involved in GPG’s urban design, town planning and market research projects since 2013. David earned a Bachelor of Science in Architecture at the University of Michigan’s Taubman College of Architecture, Ann Arbor, Michigan and a Master’s of Urban Planning at Wayne State University, Detroit.   David is a member of American Planning Association, the U.S. Green Building Council (Detroit Regional Chapter) and the Congress for the New Urbanism.  He is certified by the National Charrette Institute and Congress for New Urbanism.

Elizabeth A. Gibbs, Office Manager
Elizabeth Gibbs manages GPG’s client relations, business matters and human resources.  Prior to joining GPG in 2005, Elizabeth was a career educator and administrator in secondary education.  She is an adjunct professor at Oakland University’s Honors College where she is also Ph.D candidate.  Elizabeth earned a Bachelor of Arts from Oakland University and a Master’s degree from Michigan State University.