Mitchell, who is 59, will be succeeded by Timothy J. Theriault, 41, Executive Vice President and Chief Technology Officer, reporting to Northern Trust President Barry G. Hastings. Mitchell joined Northern Trust in 1964 and has held positions in Northern’s Auditing, Trust and Operations areas.
Theriault, a graduate of Illinois State University, joined Northern Trust in 1982, according to the company. He was named a Vice President in 1991, Senior Vice President in 1995, Chief Technology Officer in 1996 and an Executive Vice President in 1999.
Northern also announced that Jean E. Sheridan, Executive Vice President and currently WWOT Group Head, will join Northern’s Corporate and Institutional Services (C&IS) business unit to manage a new group, the C&IS Core Services and Strategy Group. She will report to Peter L. Rossiter–President, C&IS. In the new role, she will have responsibility for Risk Management & Compliance, Financial Management, and the C&IS Product, Sales and Marketing areas.