Capitol Development Design Inc.
Engineers - Planners - Surveyors
You are viewing - Home -Key Personnel
Key Personnel
Capitol Development Design, Inc.
Victor Chen, P.E.
President/CEO
Victor Chen has over 19 years experience in civil engineering design. He provides senior review oversight on all civil engineering design projects. Mr. Chen also prepares engineering plans and specifications on multidisciplinary projects for facilities, stormwater management design, landfill closure and water transport systems. He is experienced in roadway design, utility design and relocation. He makes recommendations for value engineering for site development. Mr. Chen participates in the management of day-to-day operations, construction management, regulatory interaction, and client liaison.
Stephen O. Coleman, R.P.L.S.
Vice President
Mr. Coleman is a Principal and Director of the Surveying Division at CDDI. With over 28 years in the field of Surveying, he is experienced in office management, project management and all phases of field and office surveying procedures. Mr. Coleman is highly experienced in boundary surveys, route surveys, topographic surveys and construction stakeout for highways, airports, utilities, subdivisions and commercial development. In addition, Mr. Coleman is very familiar with all public works agencies and their policies, procedures and methodology of work. Mr. Coleman is a registered land surveyor in Maryland and the District of Columbia, a member of the District of Columbia board of licensing and liaison to the District of Columbia Association of Land Surveyors.
Gary R. Butson, R.L.A.
Vice President
Mr. Butson is a Principal and Department Head of the Planning Division. He has over 30 years of experience in Land Planning and Landscape Architecture. He has participated in a wide range of projects including master plans for thousands of acres, urban design, housing, parks as well as commercial and industrial planning. Most of his projects have been particularly sensitive to environmental issues such as tree preservation and wetlands. Mr. Butson is very experienced in conducting public hearings and dealing with citizen concerns and community leader issues. Mr. Butson is a registered Landscape Architect in Maryland and is certified in the state of Virginia. He has received several awards for his work and was an instructor at the University of Maryland from 1982 to 1984.
Massoud Towhidi, P.E.
Vice President
Mr. Towhidi is a Principal and Civil Engineer with over 16 years of experience in engineering design and project management. Mr. Towhidi’s experience includes road improvements, paving, storm drain, storm water management, sediment control, floodplain analysis and site planning for residential, commercial, recreational and educational centers. He is an expert in the field of hydraulics and hydrology. Mr. Towhidi is a registered professional engineer in Maryland and holds a Masters Degree in Civil Engineering.