Mark E. Schreiber focuses his practice on cybersecurity, data breach response and global privacy coordination. He advises entities facing cross-border data protection, Privacy Shield and related issues, strategic decisions, and investigations. Mark has led numerous multi-national and cross-border matters, including those involving data breaches, and has advised senior management, boards, and special board committees on a variety of investigations, including data breach prevention and response. Mark is a leader of the Firm’s Global Privacy and Cybersecurity practice.

Mark has spoken around the world on topics related to data breaches and related defense litigation strategy, overlapping international data protection compliance, and other privacy topics. He helped found and was chair for over a decade of the Privacy and Data Protection Group of the World Law Group, an international affiliation of 54 large law firms in some 65 countries, and received the “2012 World Law Group Practice/Industry Group Leader of the Year Award” in recognition of his privacy and data protection work. In addition, Mark helped found and was co-chair of the Boston Bar Association's Privacy Law Committee.

Mark has also practiced, written and lectured widely on topics related to employment law. Prior to entering private practice, he was chief trial lawyer for the Massachusetts Commission Against Discrimination from 1975-1979.