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.

Most recently, he was national leader of Deloitte FAS’ Advisory Services practice. Earlier, Williams was national leader of Deloitte FAS’ Valuation Services practice and a principal in the organization’s Forensic Dispute Services practice. Since 2004, Williams has been a member of the executive committee of Deloitte FAS and the boards of both Deloitte FAS and Deloitte LLP.

In other news, Deloitte has elected Kerry Francis as chairman of the board, in addition to her standing title as leader of the organization’s national corporate investigations practice.

With 26 years of experience conducting fraud and forensic accounting investigations, Francis previously served as regional managing partner for the Northern Pacific region of Deloitte FAS. She will also remain as a member of the executive committee and board member for Deloitte FAS, positions she has held since 2005.