Our Privacy Policy has changed.

You can view our new Privacy Policy here.×

Louann Tronsberg-Deihle

Louann Tronsberg-Deihle


Louann Tronsberg-Deihle was elected Treasurer of Koppers Holdings Inc. in August 2008. Prior to joining Koppers, she was employed by WESCO Distribution Inc. from 1995 to 2008 and held the position of Assistant Treasurer and Risk Manager. Prior to her time at WESCO, Ms. Tronsberg-Deihle was Vice President, National Corporate Banking with PNC Bank and held positions as an Assistant Vice President with Manufacturers Hanover Trust and Marine Midland Bank. She completed a Masters in Business Administration from the Tepper School of Carnegie Mellon University and earned dual Bachelor Degrees from the University of Pennsylvania in International Business and International Relations.