Mark Hewlett, Chief Executive Castleacre Insurance Services Europe

Mark Hewlett, Chief Executive

Castleacre Insurance Services Europe

+353 (0)1 513 6140

Mark has worked in the insurance industry for thirty-five years starting with Sedgwick Lloyd’s Underwriting Agents before joining Jardine Insurance Brokers where he set up a research company that was later acquired by Moody’s Investor Services. He has been involved in many areas of insurance from private clients to private capital and has travelled extensively throughout Europe and the USA.

He specialises in private client insurance for Irish houses, castles & estates and has close links with Lloyd’s and other specialist insurers. He and his wife run Kilmokea, a former Georgian Rectory, that opens its doors to the public along with the award-winning gardens. Mark is presently Chairman of ‘Hook Rural Tourism’ and sits on the Board of the ‘Hidden Ireland’ association.


Guy Everington ACII, Executive Director

Guy Everington ACII, Executive Director,

Castleacre Insurance Services Europe

+353 (0) 1 513 6140

Guy has worked in the insurance profession for over twenty years, initially in the London Insurance market as a broker and subsequently as a Lloyd’s Members’ Agent. Having spent six years creating a specialist Private Client division for a UK Insurance broker he set up Castleacre with Hugo Johnsen in 2005.
Guy specialises in looking after the owners of large private houses, property portfolios, farms and estates across the United Kingdom and Europe. He has developed Castleacre’s close ties with several organisations that help and advise owners of historic properties, including the Rectory Society, the Irish Historic Houses Association and the Irish Georgian Society.


Castleacre Insurance Director, Hugo Johnsen

Hugo Johnsen BA (hons) FCII, Executive Director

Castleacre Insurance Services Europe

+353 (0)1 513 6140

Hugo Johnsen was a reinsurance executive for twenty-five years working with C T Bowring, Jardine Lloyd Thompson and latterly AON. He qualified as a Fellow of the Chartered Insurance Institute in 1985. He has travelled extensively in Europe and the Middle East and developed relationships with key underwriters in Lloyd’s. He formed Castleacre Insurance with Guy Everington in 2005 with the express aim of providing a more personal and professional service to heritage clients.
Hugo advises museums, estates, family offices, wealthy private clients and both within the UK and Europe. He has developed Castleacre’s expansion into Europe and links with the European Historic Houses Association.

Jullie Sellek Castleacre Insurance Europe Accounts

Julie Sellek, Head of Accounts

Castleacre Insurance Services Europe

+353 (0)1 513 6140

Julie Sellek spent 25 years working in the banking industry looking after both personal and business clients. She joined Castleacre in 2007 and is responsible for managing all day to day finances including client and business accounts.


Chantal Haddon, Marketing and Press

Chantal Haddon, Marketing and Press

Castleacre Insurance Services Europe

+353 (0)1 513 6140

Following on from a degree at UCL London, Chantal managed a contemporary glass gallery in the capital, organising and promoting a series of exhibitions by international artists. She later joined the press department at Phillips Auctioneers in New Bond Street where she became Regional Press Manager for their network of UK salerooms. In 1998 she moved away from London after the birth of her first child, later joining Bonhams as East Anglian Marketing and Press Manager. Chantal became part of the Castleacre team in 2010 and has helped promote and develop our extensive brokering services including our museums, fine art and heritage insurance, trustee and executors insurance.