Jon Ahern is a Managing Director with Alvarez & Marsal Disputes and Investigations in Denver. He specializes in financial, economic, and accounting issues related to disputes and investigations. Mr. Ahern brings expertise in commercial damages analyses, causation analyses, complex data analyses, and general litigation support.

Amy Best is a Managing Director with Alvarez & Marsal’s Disputes and Investigations practice in Denver.

David Hall is a Managing Director with Alvarez & Marsal Disputes and Investigations in Denver. He has more than 30 years of experience providing expert consulting and testimony services to clients on accounting, economic, financial and damages issues.

Steve Spiegelhalter is a Managing Director with Alvarez & Marsal’s Disputes and Investigations practice in Washington, D.C. He is the North America Investigations Practice Leader. Mr. Spiegelhalter is ranked by Chambers (Band Two, Investigations), Who’s Who Legal (forensic accounting), and Global Investigative Review (Top 30 FCPA Practitioners). He brings over 20 years of investigative experience and has investigated business conduct in 50+ countries.