Don Mizelle is a professional land planner and development project manager with over 20 years of combined experience with public and private sector development projects. Don has worked on a wide variety of development projects both as a project manager for land development companies and as a development and land planning consultant. During his time in the land development sector, he managed the planning and development of numerous residential communities as well as commercial and office projects. Don was also the first Planning Director for the Town of Holly Springs during its initial growth period and authored the Town’s first Comprehensive Growth Plan which was recognized as the State’s best plan for Town’s less than 50,000 population in 1999. His experience gained from service in both private development and public sector roles equip him well for his role as director of entitlements.
Don resides in Holly Springs and is an active member of his Church and is involved in various civic organizations within the Town. He enjoys many outdoor pursuits including golf, fishing, boating, waterfowl hunting, and spending time at the beach.
Kurt Pfeifer is a Licensed Landscape Architect with 13 years of experience in the profession of landscape architecture and related fields. Professional responsibilities consist of project management, small & large-scale master planning, site design, landscape planting & design, grading & earthwork, construction documentation, hand graphic illustration & rendering, digital rendering techniques and computer-aided drafting. Other areas of expertise include golf course routing & master planning, golf course construction documentation, B.M.P. & Low Impact Design planting and residential landscape design.
Loftee Smith is Vice President in charge of the site and planning design group. Mr. Smith has 29 years of experience in design and construction management of commercial, industrial, institutional, residential, and recreational project sites along with related roadway and infrastructure improvements and extensions. He also remains active as the lead designer on many projects.
Andy Johnson has over 38 years of experience in supervision, construction project management and inspections. He has been with WithersRavenel for 8 years. Prior to this, Andy served as the engineering field services manager for the Town of Cary, Engineering Department. He was responsible for contract administration, project management, supervision and inspection of many of the Town’s Capital Improvement Programs for buildings, parks, and transportation and utility projects.
Andy is involved in his Church, loves spending time with his granddaughters and other family, traveling, and all sports, which is why he particularly enjoys working on park projects.
Seth Swaim is the Vice President of GIS and has over 15 years of experience. He is responsible for GIS project management and staff coordination, which includes mobilizing field staff for large and small data collection projects, then integrating that field data into office work flows, while ultimately providing final quality control/quality assurance on all deliverables. Seth’s role also includes utilizing technology to create and implement office as well as mobile GIS and Survey solutions. His duties include reviewing current policies and procedures and then developing new, improved work flows and procedures to increase efficiencies and quality of work. Training for both internal and external clients is also a large part of Seth’s role at WithersRavenel.
When Seth is not at work he enjoys spending time outdoors with his wife and kids. Hunting, fishing, and anything else to do with chasing critters with his boys, is right up his alley.
Mr. Koser is a Professional Engineer with over 40 years of project experience in the civil and environmental field including studies, planning, design, and construction of a wide variety of facilities for the Army Corps of Engineers and Air Force. He has performed as manager and staff participant on a number of Utility/Facility Master Plan and Feasibility/Alternatives Analysis Studies involving water, wastewater, storm water, and natural gas. The projects have involved both manual computation and computer modeling for the analysis using a variety of system models including KY Pipe derivatives, the HEC series of programs, SWMM, and various spreadsheet based and matrix type models.
Jeff Thompson serves as Vice-President of Water Resources in WithersRavenel’s Cary office. He has extensive experience in water and sanitary sewer design and construction. His project management experience has ranged from small studies to multiphase projects exceeding $4M, as well as supervising teams of engineers, technicians, and inspectors. Jeff’s wastewater design and management experience ranges from 0.02 MGD to 4 MGD. He’s a dynamic leader, client-focused, with a committed interest in the long-term operation and maintenance of the facilities he’s associated with. In addition to his licensure as a PE, Jeff is also a certified water and wastewater operator and licensed utility contractor bringing a broad and relevant perspective to bear on water and wastewater related projects.
Jim Armstrong serves as the Vice-President of Surveying at WithersRavenel. Jim has 17 years of progressive experience in surveying, civil, and environmental engineering. His expertise includes various areas of geomatics including boundary, topographic, construction, land planning, GPS, GIS, High-Definition Surveying and residential surveying services. In addition, Jim has expertise in Civil and Environmental Engineering, incuding erosion control, subdivision design and knowledge of stream and wetland restoration and design.
Jason Bertoncino serves as Vice-President of Land Development, and has over 20 years of extensive experience in roadway, storm drainage and utility design. A LEED-certified senior project manager and professional engineer, Jason serves as Principal-in-Charge for a variety of public and private sector design projects, which include planning utilities, roadways, water and sewer distribution and other services. Mr. Bertoncino is responsible for the coordination of designers, surveyors and contractors to bring the clients’ vision to life. He often deals with complex projects requiring communication of complex issues to the general public in an easily understandable manner.
Wes is a Professional Engineer (NC, SC, VA) and a LEED Accredited Professional with a focus on commercial & mixed-use projects. With his local knowledge and his understanding of the real estate business, Wes is often used as a resource in the pre-development phases of projects by real estate developers, brokers and municipalities to understand project sites & constraints or opportunities and to streamline the development process. Wes has a B.S in Civil Engineering and an MBA in Finance from NC State University. Outside of the office, Wes enjoys saltwater inshore fishing, waterfowl hunting and NC State Athletics.
Eddie Staley is Vice-President of Local Government Business Development for WithersRavenel, a certified GIS Professional (GISP) and a Professional Land Surveyor (PLS) with over 25 years of award winning project experience. He has served as project manager on multiple projects with budgets exceeding $1 million dollars. Eddie served as the GIS Department Director for WithersRavenel for 10 years before being promoted to the Director of Local Government Business Development. Decades of service in the local government sector have prepared Eddie for the unique challenges associated with public projects. In addition, Eddie has served on numerous committees and governing boards dealing with the activities of engineering, surveying, and technology.
Eddie enjoys spending time outdoors hunting and fishing, restoring classic cars, and spending time with his wife and 2 children.
Chan Bryant is Vice President of the Environmental Engineering Department with over 24 years of experience in environmental consulting. He manages a team of environmental engineers, geologists and environmental scientists, charged with the investigation and remediation of sites impacted by releases of chemicals, petroleum hydrocarbons and various contaminants from landfills, drycleaners, industrial facilities, and gas stations. Chan specializes in assisting local governments with issues pertaining to such sites during utility corridor planning, redevelopment or acquisition planning, or developing strategies to handle sources of contamination discovered during ongoing operations of a local government. Chan has key experience with: NC Division of Waste Management including the Solid Waste, UST Section, Dry-Cleaning Solvent Cleanup Act, Pre-Regulatory Landfill Section, Brownfields and the Inactive Hazardous Sites Branch.
Chan resides in Sanford and is very active in his community and with his family.
Sam Ravenel is co-founder and past President of WithersRavenel and has over 35 years of engineering experience. Sam has extensive experience in hydraulic and hydrologic analysis for flood studies, dams, and roadways, in addition to being one of the earliest promoters of LID concepts in North Carolina. He has a passion for stormwater management and has been instrumental in compiling a staff of water resource professionals that together provide comprehensive stormwater services. He also has many years of experience in commercial and residential land development.
Sam enjoys trail running and time at the beach with his family.
Tony Withers co-founded WithersRavenel along with Sam Ravenel. They are known for their dedication to their clients and their commitment to professionalism. A North Carolina State University graduate, Tony is a licensed Professional Engineer and Landscape Architect with over 35 years of diversified experience in Civil Engineering and Land Planning. Tony currently serves on the board of the Centennial Authority, the YMCA of the Triangle and the Miracle League of the Triangle, which he co-founded. Past board experience includes the NC State University Engineering Foundation and President of the Eastern Chapter of the NC Multiple Sclerosis Society.
Tony is active in his family, his church and numerous civic organizations. He is also an avid outdoorsman, NC State supporter and golfer.
Jim Canfield is the President and CEO of WithersRavenel, and has 27 years of engineering experience. He is responsible for providing strategic leadership for the company by working with the Board and other management to establish long-range goals, strategies, plans and policies. Jim has been providing technical guidance and quality control review in recognition of the many issues and complexities associated with civil design projects. His vast experience includes master planned projects, which include planning, utilities, roadways, storm drainage and other services. He led the Land Development Department for 15+ years prior to transitioning to his new role.
Jim enjoys spending time with his family, golf and NC State athletics.