Mr. Sparling’s practice focuses primarily on white collar criminal and regulatory defense.

Mr. Sparling represents individuals and corporations in many sensitive and high-profile matters, and has extensive experience with all phases of criminal and regulatory investigations and proceedings at both the state and federal level. He has handled major matters involving a broad range of white collar crime issues, including allegations of securities and accounting fraud, Foreign Corrupt Practices Act violations, insider trading, running a Ponzi scheme, money laundering, stock options backdating, obstruction of justice and tax offenses.

Mr. Sparling also has extensive experience conducting corporate internal investigations for Fortune 100 companies, and has represented both officers and directors in connection with such investigations. Mr. Sparling's representations in corporate internal investigations have also included working with auditors and disclosure counsel, as well as outside regulators and government agencies.

Mr. Sparling also has experience representing individuals, companies, and funds in connection with complex securities and commercial civil litigation, and corporate control matters. He has litigated matters in both state and federal courts, including derivative actions, securities class actions, ERISA cases, and contract disputes. Mr. Sparling also has represented corporations, individuals and partnerships in commercial arbitration disputes. 

In addition, Mr. Sparling has represented professional boxers and others in the boxing profession. He has won high-profile boxing arbitrations and court proceedings for world champion boxers and for boxing promoters in matters concerning exclusive promotional contractual rights.

Mr. Sparling is an Adjunct Professor at Benjamin N. Cardozo School of Law, teaching a seminar on corporate internal investigations, and teaches continuing legal education courses on a variety of issues related to white collar criminal and regulatory defense practice.

Mr. Sparling has also written and co-authored publications on the Dodd-Frank Act's implications on internal investigations, developments in securities class action litigation, the attorney work-product doctrine, the attorney-client privilege, and issues concerning the Federal Rules of Civil Procedure.