Gillespie Moody Patterson, Inc. (GMP), located in Carlsbad, California, is a multi-disciplinary, award-winning firm focused on providing landscape architecture, land planning, and irrigation design solutions for a variety of public and private development projects.  Originally founded in 1976 by Dennis Gillespie, the fall of 2005 brought a partnership between Dennis Gillespie, Marc Moody and John Patterson, transitioning its predecessor Gillespie Design Group, Inc. to the firm known today as GMP, Inc. With Dennis Gillespie’s retirement in 2008 complete ownership and leadership of GMP was transferred to Principals Marc Moody and John Patterson.  January 2021 found Rob Streza stepping up as the third Partner and Principal to create the current GMP leadership team.

Our inspiration for outstanding design is rooted in a passion to create exceptional spaces. We are committed to environmentally sustainable designs that create memorable experiences while striking a balance between natural complexities and aesthetically innovative designs.

Our mission is to establish GMP as a leading landscape architecture firm creating master planned communities, multi-family communities, urban places, resorts, parks, and commercial environments for private and public entities.