Bonn joins from GreatBanc Trust Company, where she was senior vice president. Prior to that, she was with BDO Seidman and Grant Thornton. In her new role, Bonn will lead the RIS business development initiatives with companies offering employee stock ownership plans as part of their retirement programs. As of 30 June 2010, the company reports $78.2 billion in assets under administration.

Wilmington Trust's corporate client services arm offers retirement plan, institutional trustee, agency, asset management, and administrative services for corporate clients worldwide, many of which use capital market financing structures or seek to establish or maintain legal residency for special purpose entities.

Separately, R Keith Elliott, a board member at Wilmington Trust Corporation, has resigned due to medical reasons. His resignation took effect on 15 October.