Andy W. Mattes leads the company’s worldwide enterprise sales organization across the 160 countries where HP does business. In this role, he is responsible for HP’s corporate accounts, public sector sales, and the industry markets of Communications, Media & Entertainment; Financial Services; and Manufacturing and Distribution. He also manages worldwide alliance sales, sales compensation, global pre-sales and sales support, sales operations, and go-to-market effectiveness.

Previously, Mattes spent 20 years at Siemens AG, where he held various sales and management positions. Since May 2004, he served as president and chief executive officer of Siemens Communications, Inc., the U.S. arm of Siemens Communications, which delivers a broad portfolio of communication products and services for wireless, fixed and enterprise networks. While in this role, Mattes also served as a member of the Group Board of Siemens Communication Group, the global governing board of the communications group.

From September 2003 to September 2004, he served as president of the European Industry Association for Information Systems, Communication Technologies and Consumer Electronics (EICTA).

Mattes is the author of 21st Century Communications (2003).

Born in Nuremburg, Germany, Mattes received a degree in business management from Ludwig Maximilians University in Munich, and holds a university teaching position at the Technical University of Munich. He is based in Palo Alto, California.