Coherent appoints Andy Mattes as new CEO

Coherent and its board of directors has named Andreas ‘Andy’ W. Mattes as the company's new president and chief executive officer and a member of the board of directors, effective immediately. The appointment follows the announcement a year ago that John R. Ambroseo, PhD, will retire from his positions as president and chief executive officer and member of the board no later than April 2021. John Ambroseo will transition to become a special advisor to the company until the end of next year, ensuring a smooth and successful transition. On Andy Mattes' recommendation, Coherent's board of directors has also appointed Mark Sobey, PhD, a 13-year senior executive of the company, as Coherent's new executive vice president and chief operating officer, effective immediately.

Andy Mattes, a US-German national, is an experienced global technology business executive with over 30 years of management experience. He most recently served as a senior advisor at McKinsey & Company, where he focused on advising international businesses on high-impact transformations, agile change and positioning companies for growth. Prior to this, Andy Mattes served as president and CEO of publicly traded Diebold Nixdorf, a multinational financial and retail technology company. Under his leadership, Diebold Nixdorf became the largest ATM provider worldwide, through a re-shifting of the company's focus to services and software along with the successful execution of one of the largest US-German cross-border corporate mergers. Prior to this, he spent more than five years in executive leadership positions at Hewlett Packard, including leading worldwide sales and running the Americas enterprise services business, and over 20 years at Siemens AG. He has also served on numerous boards of private and public technology companies over the past 20 years.


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