25 October 2017
Gareth Mostyn has been appointed as Chief Finance and Operations
Officer for the National Church Institutions (NCIs) of the Church
of England. He will join from De Beers plc, where he is currently
Executive Head of Strategy and Corporate Affairs, prior to which he
was Chief Financial Officer.
Gareth will be responsible for providing financial leadership
across the NCIs, encompassing the Church Commissioners,
Archbishops’ Council and Church of England Pensions Board. In
addition, he will also oversee broader operations in the NCIs, with
the departments of HR, IT, Office Services and the Church of
England Record Centre reporting to him.
Andrew Brown, Chief Executive of the Church Commissioners for
England, said: “I am delighted to welcome Gareth to his new role.
He brings with him considerable experience and we are pleased to
have someone of his calibre joining the National Church
Institutions. I am sure that he will be a great asset to the Church
of England, and look forward to working with him.
“I would also like to thank Ian Theodoreson for his exemplary
service to the Church of England as Chief Financial Officer for the
past nine years, and wish him well for the future.”
Responding to his appointment, Gareth said: “It is a great
privilege to be joining the National Church Institutions of the
Church of England in this role. The Church of England plays a
crucial part in the life of the nation, and I am excited and
humbled to have been given this opportunity to contribute to its
hugely important work.”
Gareth will take up his new role early next year.
Gareth has been a director of De Beers since February 2012,
first as Chief Financial Officer until 2016, and most recently as
Executive Head of Strategy and Corporate Affairs. Prior to De
Beers, Gareth held senior finance roles with Anglo American plc and
The BOC Group plc (latterly The Linde Group). He is a Chartered
Accountant and has a degree in Business Economics from Durham
University. Gareth is also Trustee and Treasurer of the
He replaces Ian Theodoreson, who leaves the NCIs this month
after nine years as Chief Financial Officer.
The Church Commissioners, Archbishops’ Council and the Church of
England Pensions Board comprise the three largest of the NCIs. They
support the work of its 42 dioceses and 16,000 parishes. Each
organisation works closely together to support the Church of
England in its mission, while having its own separate legal
responsibilities, duties and governance arrangements.