Mr. Andrew B. Rhodes, CCE, PSP is a founder and principal of The Duggan Rhodes Group. Mr. Rhodes specializes in CPM scheduling, labor productivity consulting, construction cost consulting and expert witness testimony. Mr. Rhodes’ experience includes serving as executive consultant in the construction and utility practice of Peterson Worldwide, later acquired by Navigant Consulting, and structural design engineer with HDR, a Top 20 engineering firm. More specifically, Mr. Rhodes' experience includes structural steel and concrete design, field engineering, construction schedule development, schedule updating, schedule delay, impact analysis and construction damage analysis. Mr. Rhodes has served as an expert witness on approximately 30 occasions, in venues including courts, American Arbitration Association panels, and in front of Boards of Claims. Mr. Rhodes has provided consulting services in relation to stadiums, correctional facilities, universities, iron ore processing plants, transportation and highway infrastructure projects, steel mills and commercial facilities. Mr. Rhodes has also provided construction consulting services to a wide variety of owners, municipalities, contractors, subcontractors and attorneys. Mr. Rhodes is a Certified Cost Engineer, a Planning and Scheduling Professional and a published author in the Project Management Institute's College of Scheduling periodical. Mr. Rhodes graduated Cum Laude with a Bachelor of Science degree in Civil Engineering from Lehigh University and finished first in his class while obtaining a Masters of Science degree in Structural Engineering also from Lehigh.

Mr. William M. Kerns, CCIFP® is a Director and Expert Witness with The Duggan Rhodes Group. Mr. Kerns specializes in the calculation of delay and disruption related damages, construction cost accounting systems consulting, financial reporting consulting on construction projects and expert testimony. During Mr. Kerns’ 23 years of experience in the construction industry, he acquired extensive experience with regards to quantifying and analyzing delay and disruption related damages, designing and implementing construction project cost control systems and consulting on cost accounting systems and financial reporting. Mr. Kerns has a wide variety of construction project experience including industrial, commercial, heavy/highway, high-voltage, healthcare, correctional facility and telecommunications related projects. Prior to joining The Duggan Rhodes Group, Mr. Kerns was the Chief Financial Officer of a $60 million commercial and industrial electrical design and construction company. In this capacity, he was responsible for the management of all cost and financial reporting as well as the implementation of an advanced project cost controls system for all construction projects. Previously, Mr. Kerns worked for top 200 ENR Contractors in the cost control and information systems manager, and field accountant capacities. Mr. Kerns is a Certified Construction Industry Financial Professional and holds a Bachelor of Science degree in Industrial Management from Carnegie Mellon University and a Master of Science Degree in Public Policy and Management, also from Carnegie Mellon University.