Provest



Biography of Mark O’Sullivan


Mark’s career began in the area of Investment and Pensions, with roles in McDonagh & Boland Group which has since become Aon, and Pension & Investment Consultants, which is now Mercer. These roles focused on advising the Corporate Market in the areas of Investment strategy and Pensions. This experience led Mark to become a founding Director of Becketts Limited, which was established in 1989. A year later he became Chairman of the Life Insurance Association (LIA) Southern Region.

After 14 successful years, Becketts was acquired by Hewitt Inc., in 2003. Whilst with Hewitt Inc., Mark held the roles of Company Secretary and Compliance Officer. In 2010, Hewitt Inc., was acquired by Aon. As part of this acquisition, Mark took his place as a member of the Senior Leadership Team with Aon. In that role as Director of Becketts Limited t/a Aon Employee Benefits, he utilised his breadth of knowledge and expertise to advise Senior Executives on Pension and Investment related matters.

Mark O Sullivan

He was directly responsible for managing a portfolio of Corporate Pension Funds, whilst also maintaining and exceeding Aon’s dedication to providing the highest levels of service to its Clients. Additionally, Mark was passionately focused on supporting and developing his team to become authentic leaders in the business for their colleagues, clients and shareholders alike.

On the 30th of November 2017 Mark resigned from his position with the Aon Group to pursue a new venture and has now successfully established Provest Private Clients Limited, specifically providing advice in the areas of pre and post retirement planning and investment consulting.

Mark has over 38 years of extensive strategic management and financial experience in the Insurance industry. He is a fellow of the Irish Institute of Pension Managers in Ireland (FIIPM), a Qualified Pension Trustee, (QPT(IIPM)) and a Qualified Financial Adviser, (QFA).


Provest Private Clients Limited C178583 is regulated by the Central Bank of Ireland.