Mr. Belluzzo served as interim Chief Executive Officer of VIAVI from August 2015 through February 2016. Mr. Belluzzo has served as US Partner of Innogest SGR SpA, a European Venture Fund from February 2015 to July 2025. From April 2011 to August 2012, he served as Executive Chair of Quantum Corporation, a provider of backup, recovery and archive products and services. From 2002 to 2011, he was Chair and Chief Executive Officer of Quantum Corporation. Prior to that, Mr. Belluzzo was President and Chief Operating Officer of Microsoft Corporation. Prior to becoming its President and Chief Operating Officer, Mr. Belluzzo served as Microsoft s Group Vice President of the Personal Services and Devices Group and was Group Vice President for the Consumer Group. Prior to Microsoft, Mr. Belluzzo was Chief Executive Officer of Silicon Graphics Inc. Before Silicon Graphics, Mr. Belluzzo held a series of increasingly senior roles at Hewlett Packard Company, culminating in his service as Executive Vice President of the Computer Products Organization. Mr. Belluzzo previously served on the boards of Quantum Corporation and PMC-Sierra, and previously served as the Chair of the Board of Directors, a member of the Governance and Nominating Committee, and Chair of the Compensation Committee of InfoBlox. Other Current Public Company Boards: None Former Public Company Boards in Last Five Years: None Qualifications: Mr. Belluzzo s background and experience as the Chief Executive Officer of public companies, as well as his deep knowledge of the technology industry, senior leadership roles and service on the boards of other prominent public companies allow him to contribute significantly to the Board as its independent Chair and to its Compensation and Governance Committee.