About GC Cybersecurity

Tim Mather

Tim Mather is a long-time Information Security practitioner, who has served in executive roles as CSO of Cadence, Advisory Director Information Protection at KPMG, VP & Chief Security Strategist at RSA Security, VP & CISO at Symantec, Security Manager at Verisign, and Manager Information Security at Apple. Tim is a Board Member of the Silicon Valley Chapter of the Cloud Security Alliance.

Tim has co-authored two books on information security: “Cloud Security and Privacy: an Enterprise Perspective on Risks & Compliance” (O’Riely) and “The Executive Guide to Information Security: Threats, Challenges and Solutions” (Addison-Wesley). Tim is a CISSP, CISA and CISM. He holds Master’s Degrees in Information Assurance form Brandeis University, National Security Studies from Georgetown University, and International Policy Studies from Monterey Institute of International Studies. He holds a Bachelor’s Degree in Political Economics from the University of California at Berkeley.

Levent Arabaci

Mr. Arabaci has over 30 years of experience in leadership and transformation and spent last 17 years of his career at Hitachi Ltd. and held leadership positions in multiple functions. At Hitachi, Mr. Arabaci held the Chief Transformation Officer (CTrO) Global Operations and GM of Human Capital Group at Hitachi Ltd. Mr. Arabaci was also a member of the Board of Directors in Hitachi America Ltd. (HAL). Mr. Arabaci was responsible for driving and executing the transformation across HR, Finance, IT, Procurement, and Facilities and is tasked with creating best-in-class operations across the enterprise.

During his tenure at Hitachi, Mr. Arabaci had a successful career and notable accomplishments. Hitachi Vantara was recognized as the best place to work in 2009, 2010, and 2012. In addition, Vantara was listed on the Fortune 100 “Best Companies to Work For” in 2012 and was recognized as the top 40 “Best Companies for Leaders” in 2012. Mr. Arabaci was asked to lead the global HR transformation for the entire Hitachi in April 2012. He has developed and executed a global HR strategy supported by the Workday end-to-end (Human Capital Management) HCM platform for over 250,000 employee base. These initiatives resulted in $500M in savings to Hitachi while creating an accountability and growth mindset culture where every employee has an equal opportunity to unleash their full potential.

Later, Mr. Arabaci was assigned to lead Hitachi’s transformation for entire back-office functions in 2019 as the Chief Transformation Officer. In this capacity, Mr. Arabaci has launched the first Global Expense Management and Global Business Services (GBS) platform and identified multiple mission-critical projects across all functions to achieve $750M savings to prepare Hitachi for the next 100 years.

Before Hitachi Ltd., Mr. Arabaci held senior-level positions at Hitachi America Ltd., Hitachi Vantara, Cisco Systems Inc., Nestle, and Pepsi Co. in various functions such as operations, finance, internal audit, and primarily human resources. Mr. Arabaci holds a master’s degree in general management from the University of Istanbul, and an MBA in Marketing from the California State University, San Bernardino. He is a member of various advisory boards and earned awards and recognition for the work he has produced in various positions during his career.

William Stewart

William Stewart, currently serves as a consultant, board member and technical advisor focused on the development of cyber security products and solutions. He has over 30 years of experience leading businesses that manage and mitigate cyber risk. His previous experience includes Senior Vice President of Strategy for Mandiant, responsible for developing new offerings and relationships to accelerate business growth. Bill also held several other senior corporate positions including Executive Vice President for Booz Allen Hamilton and Chubb Insurance.

As an EVP for Booz Allen Hamilton, he led the Commercial Cyber Security Business. In this role he led teams that developed strategy, provided consulting, and implemented solutions for today’s most complex cyber security problems. Mr. Stewart also led Booz Allen’s commercial financial services business and led several large cyber businesses for intelligence community clients in the national security market.

In his position as Division President of Chubb’s Global Cyber Risk Practice, Mr. Stewart was responsible for the development and implementation of Chubb’s strategy to deliver the full suite of property and casualty cyber insurance offerings worldwide. This included Chubb’s risk transfer, loss mitigation and incident response services, all designed to mitigate the rapidly evolving threats faced by businesses of all sizes as well as individuals.

Mr. Stewart is an experienced business developer and leader, having grown several large businesses in both the public and private sectors. He maintains deep client relationships in multiple industries including: Financial Services; Retail; Energy; High Tech Manufacturing and Health Care as well as the U.S. Department of Defense and Intelligence Community.

As an experienced strategist and leader, Mr. Stewart created enhanced security best practice for public and private sector clients. For example, he worked to develop public key and privilege management technology that now forms the basis of much of today’s industry best practice in the discipline.

Mr. Stewart also worked for a major electronics firm where he developed communications security and key management devices. He also served as a Signal Officer, Battalion Commander, Brigade/Battalion S-3, and Company Commander in the US Army.

He holds an M.S. degree in electrical engineering from Drexel University and a B.S. degree in engineering from Widener University.

Mike Rogers

Mike is a Strategy, Corporate and Business Development expert with a 25+ year background in Banking, Digital Media and Cybersecurity. Mike is a veteran consultant to early stage companies, having formed and built two management consulting practices in Silicon Valley, after successful Executive Strategy, Corporate and Business Development roles at OpenTV, Cyberguard, Secure Computing, and Lumension Security. Mike has a BA in Economics from the University of Michigan, and an MBA in International Finance from Thunderbird.

Sam Philips

Senior Technology Executive with extensive experience in establishing, consulting and growing technology, security and risk programs in large international corporations as well as medium and small sized companies. Experience includes establishing and developing business requirements, creating and implementing governance and architecture models, infrastructure development, process development management, and executing critical processes, products, and services with a strong focus on security, quality and availability.

Vas Kodali

Vas Kodali is a highly seasoned executive with extensive experience in technology, management consulting and financial services. With a career spanning over three decades, he has held key leadership positions at prominent global institutions, driving top-line growth, building new capabilities, developing strategic partnerships and enabling operational efficiencies.

Vas started his career at IBM, where he was instrumental in designing and developing one of the first artificial intelligence systems for the financial services, healthcare and retail industries. This program ultimately led to the launch of IBM Watson technologies.   

Over the past ten years, Kodali served as Executive Vice President and Head of Strategic Partnerships and Accelerator Investments at Wells Fargo Corporation. In this role, he cultivated strong relationships with Tier 1 venture capital/growth equity firms and technology companies to identify key emerging capabilities valued by business line leadership and subsequently facilitating direct investments. Vas also played a pivotal role in driving technology investment banking deal generation in the M&A advisory and equity areas. His expertise led him to become a board member of the Carolina Fintech Hub and Duke University’s FinTech program. 

Prior to his tenure at Wells Fargo, Kodali held various leadership roles at Bank of America. Notably, as a senior executive in Corporate Strategy, he was selected to serve the CEO & Operating Committee, where he spearheaded initiatives to drive top-line growth and operating efficiencies for technology infrastructure, FICC trading and technology investment banking businesses.  Before his corporate roles in the financial services industry, Kodali honed his strategic acumen as a Partner at A.T. Kearney, Inc., where he led management consulting engagements in financial services and information technology. His diverse portfolio included designing and implementing innovative business and operating models, developing ePayments strategies, and spearheading large-scale productivity efforts for major financial services and technology companies.  

Vas received an MBA from UCLA, an MS in Electrical Engineering from Stanford University with an emphasis on Artificial Intelligence & Computer Architecture, and a BS in Electrical Engineering from Michigan State University.  He has been a frequent participant at the Executive CTO Forum at Harvard Business School and the Executive Innovation Program at Singularity University