GPG is considered one of the foremost urban retail planning and market research consultancies in America. For more than three decades, GPG's expertise in commercial development and sustainable town planning has been sought by some of the most respected mayors, highly regarded architects, and successful real-estate developers in the country. Since its inception in 1988, GPG has been active in developing innovative yet practical methods for applying modern trends in commercial development to more than 500 town centers and historic districts here and abroad. GPG offers market research for hotels, office, residential and retail development, real estate advisory consuulting, traditional town planning and urban planning professional services. GPG's representative clients include: Alexandria, Auckland, Bedrock Real Estate, Beverly Hills, Boyne Resorts, Capital Natural, Chicago, Central Michigan University, Detroit, Des Moines, Disney, Dover Kohl, DPZ Architects, Fort Wayne, Grand Rapids, Home Fed Corporation, Harbour Town-Hilton Head, Houston, Johns Hopkins University, Kalamazoo, Kentlands, Mackinaw Island, Memphis, Milwaukee, Moule Polyzoides, Naples, Oliver-McMillan, Palm Beach, Palm Desert, Plano, Portland, Pulte, Queensland Investment Corporation, Rosemary Beach, Santa Cruz, Sarasota, Southampton, Southfield, Sioux Falls, St. Paul, Taubman Centers, Traverse City, Troy, University of Pennsylvania, Wasilla, Warren, Wayne State University and Weyerhaeuser. GPG has has also provided real estate advisory services in Auckland, Costa Rica, Ireland, Melbourne, Mexico, Moscow, Panama, Puerto Rico, Singapore, Sydney, Warsaw. Robert Gibbs, AICP, ASLA serves as GPG's managing director and president and oversees its projects and operations.