Tom McNamara, President & CEO
As a third-generation contractor and grandson of Irish immigrants, Mr. McNamara has played an integral role in over a thousand construction projects spanning commercial, industrial, residential, and institutional sectors. These projects collectively represent billions of dollars in successful construction endeavors. Mr. McNamara’s extensive involvement in both public and private projects has endowed him with a profound comprehension of contemporary construction methodologies. He has adeptly addressed challenging construction issues by tailoring unique solutions to each specific project.
Educationally, Mr. McNamara holds a Bachelor of Science degree in Electrical Engineering from the University of Central Florida (UCF), supplemented by coursework in Master of Engineering Project Management. Professionally, he boasts licenses as a Florida Building Contractor, Electrical Contractor, Underground Contractor, Fire Contractor, SWPPP Inspector, and Florida Certified Burner. Additionally, Mr. McNamara has made significant contributions to the community, having served on the UCF Athletic Board of Directors in the past. His dedication was recognized with the 2022 UCF Alumni of the Year Award. Presently, he continues to support UCF by serving on the UCF Foundation Board, he is the Director of UCF Kingdom NIL, and dedicates his time and expertise to various charitable causes in the Central Florida region.
Beyond his construction endeavors, Mr. McNamara is involved in several other businesses that engage in the manufacturing and distribution of fishing rod components across the United States and global markets. Personally, he resides in Central Florida with his wife, Stacey, and their three daughters.
Tim Bayer, VP of Operations
Tim joined the SDC team in 2017 as Vice President of Operations. In Central Florida, he previously held leadership positions for large heavy highway contractors and local civil utility contractors. Tim focuses on new client development and engagement. He oversees projects from contract to completion while managing budgets, estimating, plans takeoffs, initiating and negotiating change orders with clients, scheduling subcontractors and suppliers and resolving job issues. Tim is a graduate of the University of Kansas.
Shane Cox, VP of Estimating
Shane joined the SDC team in 2019 as Vice President of Estimating. In Central Florida, Shane previously held senior estimating positions for large national and multinational civil heavy highway contractors. Shane is responsible for preparing and/or coordinating the preparation of full estimates on large and complex projects as required by client’s documents and provides complete conceptual and total bid price estimates. Shane is a graduate of the University of Florida with a BS in Construction.
David Leehy, CPA CFO
David joined the SDC team in 2023 as Chief Financial Officer. He previously held leadership positions in the Midwest and Southeast states for general contractors, subcontractors, railroad construction and utility contractors. David focuses on the company’s financial position and brings 30+ years of construction experience to the team. As a Certified Public Accountant, David oversees all financial matters and is dedicated to ensuring financial stability and fostering innovation within our team.
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Dan Brumley, VP of Project Management
Dan joined the SDC team in 2020 as Operations Manager. He is responsible for running the Project Management Team at SDC. Dan has a substantial background in the construction industry, where he has worked his way through the ranks for 30 years in the Central Florida market. He previously held leadership position on heavy highway, earthwork and underground utilities projects from contract to completion on schedule and within budget, estimating, plans takeoffs, initiating and negotiating change orders with clients, scheduling subcontractors and suppliers and resolving job issues. Effectively communicating and cooperating with support staff.
Chris Stelly, PLS, VP of Survey
Chris joined SDC in 2020 as the company’s VP of Survey. As SDC’s on-staff PLS, Chris supervises SDc’s field survey crews and the office-based technical survey staff. The survey staff is responsible for the utilization of project controls, project 3D modeling, GPS equipment controls, field collection of as-built data, and computer software in project assignments. In addition, Chris is responsible for all aspects of project control including, but not limited to, field data collection, topographical surveys and construction stakeout.
Ed DeVincenzo, Paving Manager
Edn joined SDC in 2019 and brings with him over 35 years of asphalt paving experience. Prior to joining SDC, Mr. DeVincenzo installed, operated, and maintained many of the asphalt plants in the Central Florida market.
With a lifetime of specializing in flexible asphalt pavement, Ed has a complete understanding of paving from mix designs, manufacturing, transportation installation, local and state FDOT standards for his work.
Jr. Watson, General Superintendent
Mr Watson joined SDC in 2013 and brings with him over 40 years of construction experience as General Superintendent. Prior to joining SDC, Mr Watson was a vital part of his family owned Mid State Construction Company where he started working in 1976.
Specializing in, Heavy highway construction, Commercial construction, Retail and Tenant Improvement Construction. Mr. Watson has a complete understanding of plans, specifications, shop drawings and sub trades scope of work. He is proficient in pre-planning of subcontractors, materials, look ahead scheduling, daily reports to the project manager throughout the project, and cost control. Strong technical, communication and problem solving skills. Dedicated to completing the project on time, within budget, and follow all OSHA and Company safety guidelines.
Ronnie Yelvington, General Superintendent
SDC welcomed Mr. Yelvington to our team in 2020, where he brought over 30 years of valuable construction experience in Central Florida. He has played a pivotal role in several other heavy civil firms in the region, making him an exceptional addition to our team. His specialization in heavy highway construction, commercial construction, and private developments gives him a comprehensive understanding of plans, specifications, shop drawings, and sub-trades’ scope of work. Mr. Yelvington is proficient in pre-planning subcontractors, materials, look-ahead scheduling, daily reporting to the project manager throughout the project, and cost control, making him an essential asset to our team. His strong technical, communication, and problem-solving abilities, along with his dedication to completing projects on time, and within budget while adhering to OSHA and Company safety guidelines, ensure successful project outcomes.
Mary Eberhardt, Business Development & Communications
Ms. Eberhardt is responsible for the business development and company communications at SDC. Her primary duties include identifying business opportunities, building and maintaining successful relationships with prospects and existing clients, collaborating with executives on business strategy to determine objectives, evaluating current business performance, maximizing business reach and potential. Mary helps to produce the monthly SDC Employee newsletters “SDC Works” which helps break down silos within an SDC and improve inter-company communication by allowing SDC to share the activities and news from one division across the wider organization. Mary is a graduate of the University of Central Florida in 1988 with a BS in Business & Marketing.
