... for the implementation of sound, long-term tax policies that promote the global competitiveness of the U.S. high technology industry.

Member Profile

Donald Blach

Vice President, Tax;





Bachelor of Science, Accounting and Management, Santa Clara University; Juris Doctor, Santa Clara University

Professional Organizations

Silicon Valley Chapter of Tax Executive Institute; American Institute of Certified Public Accountants; California State Bar Association


Public accounting and private industry. Current responsibilities include global corporate tax.


3945 Freedom Circle #1100

Santa Clara, California 95054

Company Profile

Sophos is an industry-leading cybersecurity company. Sophos is a global leader in next-gen, cloud-managed network and end user cybersecurity, harnessing the power of world-leading artificial intelligence, through deep learning neural networks, to adapt ever more quickly to the emerging threat landscape.