About Us


Years of


Value of Public



Advanced Engineering & Design, Inc.'s, was founded in 1998 by William G. Reidy, P.E. after having worked with several large engineering firms. For nine years prior to forming Advanced Engineering & Design, Inc. (AED), Mr. Reidy served as Principal Engineer at Montgomery Watson, Inc., a recognized international leader in Water and Wastewater design-related projects. Mr. Reidy served as a National Product Line Leader in Civil Stormwater, Lift Station and Large Diameter Pipeline designs.

With an extensive level of experience in providing engineering services to governmental entities, Mr. Reidy continued to serve Tampa Bay municipalities even as a small start-up organization. Advanced Engineering & Design, Inc. was able to offer “big company” capabilities and expertise to local cities in a more economical and client-focused manner. This remains a core philosophy to this day and has resulted in strong and diverse design portfolio. AED has maintained numerous long-term relationships with Tampa Bay governments.

Brief profiles of some of the firm’s key personnel follow:

Justin Keller

Justin V. Keller, P.E., CFM, ENV SP



Mr. Keller has over 15 years of project experience and has a considerable amount of experience in roadway, stormwater & utility design, permitting and construction. Within recent years, Mr. Keller has played a key role in large infrastructure improvement projects & has assisted municipal clients in funding, design & construction-related issues.

Rafal Kadaj

Rafal S. Kadaj, P.E., ENV SP

Project Engineer


Mr. Kadaj has over a decade of experience, Mr. Kadaj specializes in the application of structural engineering practices as it pertains to vehicle and heavy equipment loading on existing and new infrastructure elements. Mr. Kadaj has extensive stormwater modeling experience and has been responsible for the preparation of Level of Service assessments which have been instrumental in securing grant funds. Mr. Kadaj’s experience in the preparation of new models and working within the confines of larger watershed models is an asset to the AED team.

William Reidy

William G. Reidy, P.E.

Founder / Senior Advisor


Mr. Reidy has over forty years of civil/environmental engineering experience. His personal resume includes work on municipal projects from feasibility studies to design, permitting and construction services for major infrastructure improvement projects. Mr. Reidy is trained in the LEED accreditation process and has worked on several site development projects seeking Gold Certification status from the US Green Building Council.

John Parks

John F. Parks, P.E.

Senior Project Engineer


As Senior Project Engineer, Mr. Parks’ resume boasts private industry and governmental management experience which allows for a unique understanding of the design and management challenges encountered when constructing public use infrastructure. With a focus on public utilities, Mr. Parks has guided countless projects from conception to completion. The diversity of Mr. Parks’ experience allows for him to serve in a lead designer role, project management role or serve as the lead quality control coordinator.

Daniel Stowers

Daniel R. Stowers, P.E.

Senior Project Engineer


With over fifty years of project experience, Mr. Stowers has extensive planning and design experience in various areas of expertise. Mr. Stowers serves as Senior Project Engineer on the AED team and assists in implementing quality control procedures. Mr. Stowers specializes in structural evaluations and will assist the project team in determining anticipated loadings and the development of specialty details. Mr. Stowers’ focus is on structure design and product reviews.

Steven Torres

Steven A. Torres, MS, ACP, MCP

CAD/IT Manager


Mr. Torres serves as CAD/IT Manager for AED. He has thirty years of CAD drafting, design and IT experience, and is also an Autodesk certified Professional (ACP). Mr. Torres holds certificates as MCITP-SA, CCNA & Linux Administrator, served as President of the Tampa Bay Autodesk Users Group (TBAUG), and has a master’s degree in Computer Information Systems. Mr. Torres will spearhead plan production for AED.

Melvin Maciolek

Melvin R. Maciolek

Engineering Specialist


With over twenty-five years of experience, Mr. Maciolek has firsthand experience in funding, improving, constructing and maintaining municipal infrastructure. This broad spectrum of experience makes Mr. Maciolek an asset to the AED team and allows for him to fill multiple roles within a project’s lifecycle.