William (Bill) Costigan joined Guggenheim in 2013. He serves as a managing director of the Institutional Client Group. Previously, he was a senior member of the portfolio management team focused on active fixed income strategies, specifically core plus, multi-asset, and structured credit mandates. Costigan, a regular speaker at national investment conferences who has over 15 years of financial services experience, spent five years as an investment banker at KeyBank in New York and Seattle, focusing on the origination, structuring, and syndication of leveraged buyouts. He then developed investment solutions for institutional investors at the Vanguard Investment Group prior to joining Guggenheim Partners. Costigan earned an M.B.A. from Loyola Marymount University and a B.S. in economics from John Carroll University.