Oak has appointed James Tracey as Managing Director of the firm's Guernsey Funds business.
He takes over from Paul Schreibke, who is moving to Mauritius to take up a new role with the firm.
James, whose career in finance spans more than 20 years, has worked in Guernsey since 2001. He has acted as a Director at companies including Kleinwort Benson, in addition to holding board positions for operating companies in the Channel Islands and UK.
James joins Oak from JTC Group, where he has been Managing Director since 2018, having joined the firm in 2017 as a Senior Client Director.
He has served as an Executive Committee Member of the Guernsey Investment and Funds Association for the past three years.
James is a also member of the Chartered Institute for Securities & Investment and has completed professional exams for the Chartered Governance Institute.