Deloitte Financial Advisory Services LLP has elected David Williams as chief executive officer. Williams will replace current CEO Frank Piantidosi, who has held the position since 2003. Piantidosi will assume the role of chief executive of Deloitte North America Financial Advisory LLC.

For 26 years, Williams has provided advice and counsel to clients engaged in business transactions or facing critical business events. During his nearly seven years with Deloitte FAS, Williams served in various leadership roles spanning Deloitte FAS’ two major business arms—Forensic Dispute Services and Advisory Services.

Jaclyn Jaeger is a freelance contributor to Compliance Week after working for the company for 15 years. She writes on a wide variety of topics, including ethics and compliance, risk management, legal,...