William Long


William Long advises international clients on a wide variety of social media, data protection, privacy, information security, e-commerce and other regulatory matters. William has experience with EU and international e-commerce, consumer, social media, data protection and payments projects, advising on e-commerce, consumer and social media regulation, data security and other data protection issues. He is a regular speaker on social media, data protection and e-commerce matters.

William is a co-founder of the Social Media Governance Forum, a networking group of companies involved in social media, and was previously in-house counsel to one of the worldâ??s largest international financial services groups as their e-commerce counsel establishing Interactive Investor which is one of the worldâ??s largest online consumer financial services businesses with over 8 million users.

He has been a member of a number of working groups in London and Europe looking at the EU regulation of e-commerce and data protection and spent a year at the UKâ??s Financial Law Panel (established by the Bank of England), as assistant to the Chief Executive working on regulatory issues with online financial services.

Areas of Practice

Life Sciences
Financial Services


Queen Mary College, London (LL.B., 1989)


Association of Privacy Professionals European Board