Grant J. Middleton, P.E., President
Grant has been with Larson and Associates, Inc. for over 20 years.  Mr. Middleton understands and participates in all phases of land development design, project management surveying, planning services, engineering design and specifications, hydraulic analysis, stormwater and sanitary sewer pump stations along with all other aspects of land development.  Grant has participated on committees to develop new land use regulations in addition to sitting on interview panels to assist in finding qualified new employees for government related positions.  He has also designed and supervised numerous public and private, commercial and residential projects in numerous states.  In addition to assisting with the day to day operations and projects that the company works on, Grant also participates as a member of the Master Builders Association.  Mr. Middleton retains professional licensure status in Washington, Oregon, Montana, North Dakota and Utah in addition to maintaining a national and international registration status as a model law engineer with the NCEES.

Jeff Cederholm, P.E., Vice President
Mr. Cederholm has been a design engineer with Larson & Associates, Inc. for over ten years.  He has experience in many aspects of civil engineering design associated with public and private land development including, but not limited to, stormwater system layout/hydraulic analysis, sanitary sewer system and water system layout/analysis, TESC & grading plan preparation and roadway design.  His specialties include assisting in design of residential plats, commercial projects, redevelopment, road improvements (public and private) and office complexes requiring innovative thinking and site design approaches to minimize construction costs of earthwork, storm systems and utility infrastructure.  He also has extensive experience in all aspects of project management including initial project feasibility studies/evaluations, communication and rapport with the municipality and/or county representative(s) involved throughout the permitting process and project coordination with all parties involved during construction to ensure the sound design intent is implemented in the field as intended.

Scott Clark, Planner, Secretary-Treasurer
Scott came to Larson and Associates after having been a public sector professional land use planner for 19-years.  Mr. Clark has worked in the states of Washington and Idaho on countless development proposals as a Community Development Director, Building Official and project planner. He is an expert in land use matters, including but not limited to: Building Permits, CUPs, Subdivisions, Critical Areas, SEPA, Code Interpretation and Writing etc.  Scott is also skilled at project management and his design strategies will save you time and $$$.  Prior to his career in planning, Mr. Clark worked for the U.S. Department of Interior, Bureau of Mines Spokane Research Center, where he was a team member working on research projects conducted in the Bunker Hill Mining & Metallurgical Complex Superfund site in Idaho. Mr. Clark received his Bachelor of Arts in Urban and Regional Planning from Eastern Washington University in 1995. He is a member of the American Planning Association as well as the Washington and Idaho APA Chapters. Having been on the regulatory end of land development for 19-years, Scott knows what it takes to get a project “put together right”, and how to get it approved!!

Bill Diamond, P.L.S.
Mr. Diamond has been a member of the Larson & Associates, Inc. team since 2000.  He specializes in land use and development project management.  He is very closely involved with new project submittal to the applicable jurisdiction, as well as, problem solving of ongoing projects.  His previous experience includes work as a Land Development Manager for Stafford Homes/Schuler Homes from 1998 to 2000, where he was responsible for obtaining new project sites, land entitlements and seeing single-family plats through from the preliminary to the final stages.  Mr. Diamond began working as a Development Engineer with Pierce County in 1985 and became Development Engineering Supervisor for Pierce County Planning and Land Services in 1994, which he continued to do through 1998.

Debbera Hirtler, CESCL
Ms. Hirtler is the office manager at Larson & Associates, Inc. She also is a Certified Erosion and Sediment Control Lead and manages inspections on job sites to maintain compliance with Washington State Department of Ecology standards and requirements during the construction process.