Jonny Frank, Nathan Gibson, Michael Costa and Kashif Sheikh
Jonny Frank, a partner with StoneTurn in New York, brings more than 40 years of public, private and education sector experience in forensic investigations, compliance and risk management. 
Nathan Gibson, a manager at StoneTurn in Washington, D.C., has more than six years of experience in forensic accounting and compliance monitoring. Specifically, he focuses on FCPA monitorships, anti-money laundering (AML) investigations and export control compliance.
Michael Costa, a partner with StoneTurn in Chicago, has deep experience in data analytics and data science, financial crime, investigations, complex litigation and compliance matters. He has worked with clients in the financial services, technology, education, life sciences and hospitality industries, as well as with public sector entities
Kashif Sheikh, a manager at StoneTurn in Chicago, is a full stack data scientist and AI engineer with over 15 years of experience assisting clients in the financial, technology, government, and legal sectors on data-oriented solutions impacting e-discovery, compliance and regulatory issues.
