- Former Chairman and CEO of CNA Insurance Companies, a $17 Billion multi-line insurer with over 20,000 employees.
- Former and current Board member of 11 publicly traded corporations, 50 private companies and 6 non-profit organizations.
- Professor at the University of Chicago Booth School of Business.
Dennis is the former Chairman and CEO of CNA Insurance Companies, a $17 Billion multi-line insurer with over 20,000 employees. In his 26 years at CNA, Chookaszian served in numerous other executive capacities, including the CFO, President and COO, and Chairman of the Executive Committee. He was also Chairman of the Agency Management Services subsidiary of CNA, and chairman of Intergroup, the HMO operation of CNA.
Prior to joining CNA, he was a management consultant with Deloitte. He also served as Chairman and CEO of mPower, an internet startup providing electronic financial advice for management of 401K plans.
Dennis, who is a CPA, served as Chairman of the Financial Accounting Standards Advisory Council (FASAC), which advises the Financial Accounting Standards Board (FASB). His background includes service on many AICPA and FASB committees and task forces, and he was one of the 8 members of the Public Oversight Board Panel on Audit Effectiveness. He currently serves as a member of the Financial Crisis Advisory Group (FCAG), which is the International group that was formed to recommend solutions to the financial reporting issues related to the current financial crisis.
Dennis has served as a Director on the Boards of 11 publicly traded corporations and currently serves on the boards of Allscripts, the Chicago Mercantile Exchange, Career Education, Internet Patents Corp, and MacDonald Dettwiler. He has also served on the Boards of 50 private companies throughout his career and presently serves on the Boards of 15 private companies. In addition, he currently serves on the boards of 6 not-for-profit organizations. In 2010, Dennis received the Outstanding Director Award from the Financial Times Outstanding Directors Exchange.
Dennis earned a BS from Northwestern University, an MBA from Chicago Booth, and a Master's in Economics from the London School of Economics.