Arterial will typically appoint at least one independent executive director to investee portfolio businesses. These portfolio directors will often sit on a number of Arterial holdings, with their primary responsibility being to uphold robust corporate governance, and to safeguard the financial interests of underlying shareholders in accordance with the information memorandum and prevailing good practise. The investee portfolio team are drawn from both industry and life science, with appointees contributing significantly to the management and well-being of each business.


John Hirst, CBE

John has an outstanding reputation as a Chief Executive and Director of large global private and public sector organisations, with an exceptional track record of leading business development and growth on a global scale.

John started his career with FS Rowland and Price WaterHouse Coopers, before joining ICI. Between 1990 and 1995 he was the CEO of ICI’s £350m turnover Autocolor business, between 1995 and 196 he served as Group Treasurer and between 1996 and 1997 he was CEO of their Performance Chemicals division with a turnover of £700m and served on the ICI Executive Team. ICI had a turnover of £11bn, and during his time with them John led various acquisitions ranging in size up to US$8bn.

Between 1998 and 2005 John was the CEO of Premier Farnell plc where he led a fundamental restructuring of the business during the longest and deepest downturn in electronics industry. He repositioned and rebranded the business and delivered a 28% improved EPS to 2005.

In 2007 John was invited to serve as CEO of the UK Met Office establishing the organisation’s international reputation as the world’s leading weather and climate service. During this time he was the UK’s Permanent Representative to the WMO and a member of the UK Space Board. He was also a NED of Hammerson Plc the FTSE 100 property company and Chairman of Asbis Enterprises Plc.

John was awarded the CBE in 2012 and resigned from the Met office in 2014. He currently sits on the Board of three large businesses ,Anglian Water, Marsh UK plc, Ultra Electronics and three smaller start up tech businesses, notably IMIS Global and White Square Chemical. In addition he chairs the Hammerson Pension Fund trustees and is a Trustee of Epilepsy Research UK and of SUDEP Action (previously Epilepsy Bereaved).