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Johnson Engineering > Services We Provide > Planning & Landscape Architecture > Planning & Landscape Architecture – Planning > Team

Laura DeJohn, AICP

Laura joined Johnson Engineering in July 2004 and currently leads the planning and landscape architecture group for the company. Laura has both public and private sector planning experience including entitlement of residential, mixed use, community facility, commercial and industrial development projects; redevelopment plans; architectural design review; annexation; airport related general planning services, comprehensive planning and incentive-based code writing. Laura works to facilitate projects that implement smart growth principles. She is a member of the Urban Land Institute and has presented for the American Institute of Architects of Southwest Florida and the Florida Chapter of the American Planning Association, and is appointed to the Collier County Development Services Advisory Committee.

Gary Muller, AICP

Gary joined Johnson Engineering in 2015 as a Principal Planner. He brings 35 years of extensive planning experience. For the last 21 years, Gary owned his own planning consulting firm specializing in rezonings, site planning, subdivision design, site feasibility studies, and expert witness testimony. He applies his background and knowledge in public and private sector planning, development regulations and permitting, comprehensive and land use planning, project management, and community involvement to our client projects.

Heidi Siegel, AICP

Heidi is a Senior Planner in the firm’s planning and landscape architecture group. She joined Johnson Engineering in 2016 to coordinate the planning services in the firm’s Southeast Florida office. Heidi manages projects that involve development feasibility and due diligence studies, governmental coordination, preparation and presentation of land use and zoning applications, site planning, master planning, and design. She has 18 years of professional experience in the planning and development field, in both the public and private sector. Prior to joining Johnson Engineering, Heidi served as the City Manager for the Village of Biscayne Park in Miami-Dade County.