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Effective Leadership

Bill's experience covers an extraordinarily wide spectrum of the architecture, construction and engineering industry.  He has amassed an impressive record of success in accurately determining the outcomes of over $150 Billion worth of construction activity.   

A highly sought after expert in construction and engineering due to his ability to quickly analyze and articulate complex issues and solutions. Over his 40 years in the industry, Maddex has planned and executed a large number of successful and profitable projects.

Consistently successful in articulating the complex issues of construction risk, duration and finance to the full spectrum of PPP participants.  He provides advice to public owners, equity investors and contractors. His opinions are highly valued and appreciated.  His ability to boil these leveraged transactions down to their simplest terms is a notable capability.

Public Private Partnership

Executive Management Leadership

cost estimator

Maddex has been in the vanguard of the PPP project delivery type. His own studies have proven that Public Private Partnerships have proven successful in construction cost containment. Bill has extensive experience in the business, first as a construction contractor and more recently serving as the CEO of the award winning $1.2 Billion Portsmouth Gateway Group Bypass P3 project.  This outstanding project was executed within budget completed early and constructed safely.

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His career began delivering projects involving the integration of engineering design simultaneous with the construction process. From process driven industrial plants to publicly funded projects, Maddex's on time under budget record is testament to his understanding of the special circumstances that allow the design build method of delivery to work best.

cost consultant
Design Build

Team Leader​

Bill Maddex has been involved in virtually every type of construction delivery method in the marketplace.  He has consistently been a leader in the successful use of Design Build, Design Build Operate Maintain Transfer, Construction Managment at Risk, at Agency as well as many years as a player in hard dollar contests utilizing Design Bid Build methods.

From electrically powered and GPS augmented bulldozers to cloud computing with BIM, Maddex understands that construction innovations have been driven by small incremental improvements. Bill also understands the disruptive changes happening and is participating in shaping what is coming and the tremendous potential that they hold.

Cost estimating consultant

Thought Leader

Maddex has a command of the current thinking tempered by what is achievable in the near term. As a participant in forums focused on better ways to perform architecture, engineering and construction he is available to progress and enhance any project he comes in contact with.

Work Life Balance

Angel Flight

Bill began flying at a young age and continues to this day.  He uses aviation to facilitate his business travels, for his personal enjoyment and to help others. Angel Flight is a nonprofit, volunteer-driven organization that arranges free, non-emergency air travel for children and adults with serious medical conditions and other compelling needs.