Nik van Leuven's professional career extends over 38 years, both in private practice and public service. An English barrister, he was admitted as an advocate of Guernsey’s Royal Court in July 1971, and in October 2002 took up appointment as Her Majesty's Procureur – that is, Guernsey's Attorney-General – having been senior partner of Ozannes, one of the Channel Islands' principal law firms. In private practice he was primarily engaged in commercial, corporate and trust law, and appeared in a number of high profile Royal Court cases, both civil and criminal. He served as a non-executive director on a number of regulated institutions, including banks and insurers. He was appointed as a Queens Counsel in October 2002, and is a Fellow of the Chartered Institute of Arbitrators and a Member of the British Academy of Forensic Sciences.

After a postgraduate degree in Economics, Philip Marr joined the Bank of England in 1968. He was Economic Adviser to the government of Bermuda from 1974 to 1977 and entered Banking Supervision on his return to the Bank. He was appointed Adviser to the Bahrain Monetary Agency from 1982 to 1984. He was manager of several groups of banks in Supervision at the Bank of England. After a secondment to Hambros Bank in 1988–1989 he was appointed Manager, On-Site Review Teams. He was appointed Senior Manager, Enforcement in 1995 and joined the Commission in June 1997. He has been a member of the Offshore Group of Banking Supervisors (“OGBS”) since 1997 and was a member of the Joint OGBS/Basel Committee Working Group on Cross Border Banking from 2001 to 2007.

Carl is a Chartered Accountant who trained and worked with the predecessor firms of KPMG in Guernsey and New Zealand. In Guernsey he specialised in audits within the financial services sector, including banks, collective investment schemes and their associated management companies and captive insurance companies. Carl joined the Guernsey Financial Services Commission in 1995. He was appointed Deputy Director of Investment Business in 1998 and promoted to Director of Investment Business in February 2011. 

Jeremy Quick started his career at the Bank of England in 1986 where he worked on developing world economics and banking supervision. In 1995 he was seconded to Washington DC as Personal Secretary to the Managing Director of the IMF. Returning to the UK in 1998 he joined the FSA at its inception and represented the FSA on several international committees. In 2002 he joined the Lloyds TSB group where he worked in group risk, interfacing with the businesses including general and life insurance. In 2007 he joined the Commission as Deputy Director of Banking where he led the preparation for the 2010 IMF visit and was appointed Director of Insurance in March 2011. Jeremy is a Fellow of the Institute of Operational Risk, has published several articles on risk and holds a doctorate from Oxford University.

Philip has a law degree and was called to the English Bar in 1991 by the Inner Temple and practised as a Barrister on the South Eastern Circuit until he moved to Guernsey in 2000. He has spent the last 11 years working for the Law Officers of the Crown, most recently as the Director of the civil litigation team. Called to the Guernsey Bar in 2003 and appointed a Crown Advocate in 2004 he has, during his time with the Law Officers, regularly appeared on behalf of the States and has acted for and advised the Commission in a number of cases. He has also been closely involved in key strategic projects, including the purchase of Aurigny, civil aviation matters and in developing the Bailiwick’s emergency strategy.  He joined as the Commission's Director of Fiduciary Services in June 2011.

After a period in stockbroking, Richard Walker joined the Commission’s Investment Business Division in 1990. In 1997 he was appointed as Assistant to the Director General. The Policy and International Affairs Division evolved from this work and he was appointed Director in March 2006. His role has included involvement in committees on regulation, anti-money laundering and combating the financing of terrorism (“AML/CFT”), and company and trust law. He has undertaken work on behalf of the International Monetary Fund and the Financial Stability Institute on AML/CFT and countering fraud. He also works with the International Association of Insurance Supervisors and the Offshore Group of Banking Supervisors.

Neville Roberts is a Fellow of the Institute of Chartered Accountants. He served articles with Thomson McLintock (now part of KPMG) in London where, following qualification, he worked in the field of receivership. In 1976 he moved to Ford Motor Co. before transferring to Schroder Life and Unit Trusts as Group Financial Accountant. He came to Guernsey as Director of Finance and Operations for the Schroder international group of companies. For 12 years prior to joining the Commission, he was Head of Finance and Operations for NRG Distribution, a global logistics subsidiary of Ricoh, where he gained valuable experience in IT, business excellence and strategic planning. He was instrumental in obtaining ISO 9000 accreditation and the Investors in People standard.  In August 2003 he was appointed as the Commission’s first Head of Finance and Operations and in February 2007 became Director of Finance and Operations.