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Unlike others, VERTEX provides forensic consulting alongside traditional AEC services which allows for a 360 degree view of your project.

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Andrew (Andy) Miltonberger PE

Manager, Forensics

Andy helps companies and their legal counsel avoid and/or resolve business disputes. He investigates complex schedule delay and economic damages issues, primarily related to the construction, energy, and utility industries.

Andy performs cost and schedule analyses often related to contract disputes, delay claims, and change orders. He performs Critical Path Method (“CPM”) analyses, executes extensive review and analysis of large volumes of project documents, and analyzes cost and schedule overruns. He has authored expert reports for purposes of mediation and arbitration. He also supports the development of expert reports, assists with the preparation of demonstratives for arbitration and trial, and supports experts in preparation for testimony.

Andy has experience assisting general contractors with development and review of project schedules for ongoing construction projects. He has also developed cost estimates for a variety of construction projects.

Prior to his consulting work, Andy worked as a Field Technical Advisor for a major petrochemical technology company. He provided on-site advisory services at refineries and petrochemical sites in China, Taiwan, Germany, Spain, and the United States.

Education & Certification

B.S. Chemical Engineering (Honors) – University of Illinois at Urbana-Champaign
Professional Engineer (PE) – Illinois


American Bar Association (ABA), American Society of Civil Engineers (ASCE)
Association for the Advancement of Cost Engineering (AACE International)

Expert Witness Services

Damages, Construction Cost Estimating