Teresa M. Ressel Director
ON Semiconductor

Teresa M. Ressel has served as a Director of the Company since March 2012. Ms. Ressel served in an executive role for UBS Investment Bank from 2004 until earlier this year . She joined the investment bank as Chief Operating Officer (COO) of the Americas group, and was in 2007 also named Chief Executive Officer (CEO) of UBS Securities LLC which is responsible for UBS’ broker dealer Teresa M. Ressel has served as a Director of the Company since March 2012. Ms. Ressel served in an executive role for UBS Investment Bank from 2004 until earlier this year . She joined the investment bank as Chief Operating Officer (COO) of the Americas group, and was in 2007 also named Chief Executive Officer (CEO) of UBS Securities LLC which is responsible for UBS’ broker dealer operations. In these roles, Ms. Ressel managed a broad array of supervisory control, regulatory, compliance, and logistics functions covering the United States and Canada, as well as banking activities intersecting the Americas. From 2001 until 2004, Ms. Ressel served at the United States Department of the Treasury. She was confirmed by the U.S. Senate as the Ninth Assistant Secretary for Management of the U.S. Department of the Treasury and was designated by Presidential directive as the Chief Financial Officer of the department, where she served in both capacities. Between 1994 and 2000, Ms. Ressel was a Vice President and then Senior Vice President at Kaiser Permanente (“KP”). In her various positions at KP, Ms. Ressel served as the Vice President, Corporate Audit and Corporate Environmental Health & Safety Programs; the Vice President and Chief Compliance Officer; and the Senior Vice President and Chief Operating Officer, e-Commerce.

From 1990 to 1994, Ms. Ressel was employed with Hewlett Packard as a Corporate Program Manager, first within the Corporate Manufacturing Group, Palo Alto, California, and subsequently Hewlett Packard Asia Pacific Ltd. Ms. Ressel has been a member of the Board of Trustees of the University of Connecticut Medical Center since 2009. She holds an MBA from Rensselaer Polytechnic Institute as well as a BS and MS in Engineering from the University of Delaware.

Ms. Ressel has significant experience in the financial industry as well as a technical background in engineering. As a senior executive in financial and non-financial industries she has extensive experience in the preparation of financial statements and regulatory and non-regulatory compliance in both the private and government sectors. She also brings to our Board of Directors broad international experience and she has knowledge of end-user market affiliations.