Susan Warmerdam possesses extensive experience in executive assistance and management, currently serving as the Executive Assistant to the CEO at Citadel Securities since September 2016. Previously, Susan held the position of Executive Assistant to the CIO at Citadel Investment Group from October 2009 to September 2016. Additional roles include Contributor/Writer at mindbodygreen.com in 2015, Manager of Administration at Came|Sweeney, LLC from January 2007 to December 2008, and Meetings & Events Assistant as an Independent Contractor for McDonald's Corporation between March 2005 and May 2006. Early career highlights feature roles such as Executive Assistant / Meetings & Events Planner / Sales Operations Specialist at Marimba from 2000 to 2004, District Sales Manager at Globe Corporate Stay International from 1998 to 2000, and various positions including Advertising Coordinator at American Stores from 1991 to 1997. Susan holds a Bachelor of Science degree in Business Administration with a focus on Retail Management from the Rochester Institute of Technology, completed in 1986.