Therese M. Vaughan has been a Director of the Company and Principal Life since November of 2005. Dr. Vaughan is the Robb B. Kelley Distinguished Professor of Insurance and Actuarial Science at Drake University. From 1994 - 2004, Dr. Vaughan served as the Iowa Insurance Commissioner. Dr. Vaughan represents the American Academy of Actuaries at the Regulation Committee of the International Actuarial Association and is a director of the Insurance Marketplace Standards Association and the National Council on Compensation Insurance. She is a member of the Board of Trustees of the American Institute for Chartered Property Casualty Underwriters and a director of Endurance Specialty Holdings Ltd., a public company that is a global provider of specialty lines property and casualty insurance and reinsurance. She is President-Elect of the American Risk and Insurance Association.