Delta is an international consulting firm of multi-disciplined professionals in engineering, accounting, construction, program management and litigation support.  Delta “makes the difference” for our clients.

Our experts provide delay, damage and defects analysis, forensic accounting, loss of productivity, and expert witness services, among others, on multifaceted litigation and arbitration cases around the world.  Delta’s project management and construction professionals provide a full array of services including project controls, construction audits, planning and scheduling, budget analysis, as well as cost and risk management services.  

Map image of a globe, with Delta Sites around the World

Working with clients in their own country and often in their own language, or from our offices in the U.S., our professionals have successfully completed assignments throughout the globe.

Meet Our Team

Ralph Koch

RKoch thumbnailRalph Koch, CPA, is a former Big Four Audit Partner who worked with startups and Fortune 500 companies. He has 25+ years’ experience as a hands-on Chief Financial Officer in many industries, including aerospace and defense, government contracting, life sciences, software, real estate development and financial services. His experience includes contract disputes, fraud investigations, program and project cost reviews and business valuations.

Other Delta Professionals