Mr Walker regularly advises on financial services regulation, corporate finance, mergers and acquisitions and employment matters. Mr Walker leads the field in advising parties during Dubai Financial Services Authority (DFSA) investigations and, where necessary, negotiating settlements on their behalf. He was instructed by the first authorised firm to be fined by the DFSA, and has since gone on to advise in connection with the majority of all DFSA investigations resulting in a public outcome.

Mr Walker is the co-author of the UAE chapter of Financial Services Regulation in the Middle East (Oxford University Press, 2008), and has contributed articles to various publications including International Financial Law Review. He is a regular contributor to Euromoney’s Global Banking & Financial Policy Review.