A&O Shearman strengthens global cybersecurity offering with addition of Andrew Tannenbaum

Andrew's arrival represents a further significant addition to our client offering in the U.S. and globally. With his deep experience across the financial services and tech sectors, as well as his significant government experience, Andrew joins a global team that brings together unrivalled expertise and depth. In his current role at Barclays, Andrew oversees the cyber legal function and knows first-hand the complexities of managing cyber risk in a highly regulated global organization.

Following prior roles as Chief Cybersecurity Counsel at IBM and Global Head of Cyber Legal at Barclays, as well as prominent U.S. government positions at the National Security Agency, the White House and the Department of Justice, Andrew said "I'm delighted to be joining A&O Shearman. Having known and worked with Ffi and members of the firm's cyber team over many years, I could not be more excited to help continue to build the firm's unique global offering in this space - something I know first-hand is top of mind for the C-suite."

Ffion Flockhart, A&O Shearman's global head of Cybersecurity, said: "We're absolutely thrilled that Andrew is joining our team. His background, expertise and experience both in-house and in government means he has a unique perspective on how to best support our clients on cyber related issues. I look forward to co-leading this fantastic global team with such a high-calibre practitioner and collaborative team member who I greatly respect, having worked together closely over a long time.”

Rich Schwed, global co-head of Litigation and Investigations at A&O Shearman said: “We're looking forward to welcoming Andrew. He understands the legal and practical challenges that our clients and their senior management face in managing cyber risks amidst the ever-increasing cyber-related laws and regulations globally. His deep in-house experience of building compliant cyber risk management programs, dealing with regulators and being part of the core, client-side incident response team is a real differentiator as part of our offering for clients."