Andrew Arthur Ziegler is the Founding Partner of Artisan Partners Limited Partnership and serves as its Executive Chairman. Mr. Zeigler has been an Executive Chairman of Artisan Partners Holdings since January 5, 2010. He is the Co-Founder of Artisan Partners Asset Management Inc. and served as is Chairman of the Board until August 1, 2015 and serves as its Lead Director. He has been a Director at Artisan Partners Asset Management Inc. since January 5, 2010. Previously, he served as an Executive Chairman of Artisan Partners Asset Management Inc. since January 5, 2010 until March 2014. He holds a J.D. from University of Wisconsin Law School and a B.S. degree from University of Wisconsin – Madison.