From November 1996 until 30 June 2013, Gary Collyer was Technical Adviser, and then Senior Technical Adviser, to the Banking Commission of the International Chamber of Commerce (ICC), where he was instrumental in drafting hundreds of opinions related to ICC rules. In his ICC role, Gary has been chair of the ICC Working Group for the development of the ISP98, the strategy for a revision of UCP500 and a member of the ICC Drafting Groups for the development/revision of URR525, URC522, e-UCP version 1.0 and ISBP 645 and 681. He was the chair of the Drafting Groups for the revision of UCP500 and updating of the ISBP (745) and eUCP version 1.1, for use with UCP 600. He was also the chair of the Drafting Group for the development of ICC rules in respect of the Bank Payment Obligation (BPO) (ICC Publication 750) and more recently a co-chair for the revision of eUCP (version 2.0) and the drafting of eURC (version 1.0), both of which were implemented on 1 July 2019. He is currently an adviser to the drafting of the Uniform Rules for Digital Trade Transactions (URDTT).
Since 2015, he has acted as Editor and reviewer for all ICC Opinions that are issued by the ICC Banking Commission and the editing of four ICC Opinion publications.
Gary is the editor of numerous ICC opinion/DOCDEX publications. He is a regular speaker at ICC and other external seminar events on a global basis.
On April 1, 2006 Collyer Consulting LLP (Collyer Consulting Global Ltd with effect from 1 September 2013) was created with the sole aim of providing banks, importers, exporters and logistics companies with high quality, reasonably priced, consultancy services ranging from the traditional consultancy role through to development of training material, review of transaction and legal documentation, and the provision of consistent, accurate and up-to-date information relating to existing offerings, and new initiatives and developments in international trade.
From 2002-2006, Gary was Corporate Director and Global Head of Traditional Trade Services, Trade Finance and Product Delivery for the Transaction Banking Group at ABN AMRO Bank N.V. Based in London, he was responsible for the development of the trade service and trade finance products including the tailored design and implementation of solutions on a global basis. He also had global responsibility for the continued development and delivery, from a product management perspective, of the underlying policies, documentation and procedures for traditional trade services solutions (i.e., Letters of Credit, Collections, Guarantees, etc.) and trade finance.
Prior to joining ABN AMRO, Gary was Vice President and Senior Technical Adviser at Citibank, London from August 1998 until May 2002. Gary started his banking career in 1973 with Midland Bank plc in London (which subsequently was acquired by HSBC), progressing to Manager of the Letter of Credit Department and Senior Technical Adviser.