He continues to take an active part in OMFIF discussions with Finance Ministers and Central Bank Governors which (like the Political Economy Club and CSFI) provides an excellent focus for discussing these issues in context. He is also a regular book reviewer for Central Banking (see Publications).

International Tax Specialist Group

John takes an active part in the Annual World Conferences: London (2013), Paris (2014), New York 2015), Munich (2016), Amsterdam 2017, next in Beijing. European conferences were held in Dublin (May 2016), Sofia (May 2017), Vienna (April 2018).

Ad Hoc Council

John takes an active part in these quarterly meetings in different EU capitals with off the record discussions with senior Ministers, Civil Servants and Diplomats. Recent meetings were in The Hague, Berlin, London and Warsaw.