Mr. Ball has focused his practice on representing individuals and companies in their most sensitive legal matters: federal criminal trials and appeals; parallel criminal, civil and administrative proceedings; internal investigations; and federal investigations of companies and individuals as "targets," "subjects," and "witnesses." He has handled matters involving alleged insider trading; commodities manipulation and cornering; environmental violations; criminal negligence; bribery; theft of trade secrets; trading with sanctioned countries; money laundering; mail, wire and tax fraud; and conspiracy. He has written for national publications on such topics and has taught at University of Houston Law Center.

Mr. Ball is a member of The State Bar of Texas; The State Bar of Minnesota; United States Court of Appeals: Fifth Circuit; United States District Courts: Northern District of Texas, Southern District of Texas, Eastern District of Texas, Western District of Texas.