
Acting Head and CFO GSS Region Americas
David Aiken joined Siemens in 2002 as controller for Siemens Shared Services, LLC. He was promoted to CFO in 2004, responsible for all aspects of financial control, risk management, and financial reporting. In addition to being CFO, David is also currently the acting Head of Global Shared Services - Americas. In this capacity he is responsible for the development and delivery of Shared Services in Accounting and Finance, Human Resources, and Procurement for Siemens businesses operating in the United States, Canada, and Latin America.
Before joining Siemens, David held senior finance roles with The Pillsbury Company, based in Minneapolis US. Previously David worked for Grand Metropolitan in London, and the company’s European food division, based in Paris.
David earned a Bachelor of Science in Accounting and Management from the University of Cardiff and is a Chartered Management Accountant.

General Manager, Siemens Technology-to-Business Center
Dr. Chenyang Xu is General Manager of Technology-to-Business Center (TTB), a part of Siemens Corporate Research, located in Berkeley, California. Dr. Xu drives innovation processes for TTB, including the identification, incubation, and investment of disruptive technologies outside of Siemens that can be built into viable new products and businesses for Siemens’ sectors. Between July 2009 and March 2010, Dr. Xu served as the Chief Technology Officer of TTB.
Prior to transitioning to TTB, Dr. Xu served as program manager of the interventional imaging program at Corporate Research, where he had taken on increasing roles of responsibility since his arrival in 2000. In his last role with the division, he led a team that developed a number of transformational technology products through strategic alliance with small and large companies. In 2006, he co-founded the Siemens Center for Medical Imaging Validation (CMIV) in Beijing, China, opened to spur the development of the company’s first large-scale automated medical imaging product validation software platform.
Dr. Xu earned his Ph.D. in Electrical and Computer Engineering from Johns Hopkins University. He serves on the industrial advisory board of University of California at Berkeley - Department of Electrical and Computer Engineering. He is a member of the advisory board at the University of California’s - Center for Information Technology Research in the Interest of Society and a member of the advisory council of the Berkeley Entrepreneurs Forum.