About us

board

John Sleeman
Chairman

John Sleeman graduated in Physics from the University of Durham and started his career at Deloitte & Touche in 1970 where he qualified as a Chartered Accountant before moving in 1975 to Samuel Montagu where he qualified as a Chartered Banker and held various corporate and project finance advisory roles, becoming a director in 1989.

Following its acquisition by HSBC, he held directorships with a number of companies within the HSBC Group, and from 2000 to 2003 was managing director, head of international team, corporate finance.

After that, John was an independent director of OSJC Power Machines (from 2003 to 2008), the Russian power generation equipment manufacturer 25% owned by Siemens AG, and an independent director of JSC Open Investments (from 2005 to 2009), the Russian real estate group.

He was appointed as non-executive director and Senior Independent Director at PV Crystalox Solar in June 2007 and became the Chairman in May 2013. He is chairman of the Nomination Committee and a member of the Audit Committee and the Remuneration Committee.

In 2006 John was a founding partner of, and since 2015 has been senior adviser to, S.P. Angel Corporate Finance LLP. In 2014 he was appointed as non-executive director of Unitech Corporate Parks Plc.

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John Sleeman, Interim Chairman, Non-executive Director
 

Iain Dorrity
Chief Executive Officer

Iain Dorrity has a PhD in Physical Chemistry from Exeter University. He joined the Company in 1986 and became responsible for sales and marketing in 1988.

He was a member of the MBO team that acquired the Crystalox business in 1994 and was appointed to the boards of both Crystalox Limited and Crystalox Solar Limited at that time. Subsequently, following the merger of PV Silicon GmbH and Crystalox Limited, he became a member of the board of PV Crystalox Solar GmbH in 2002 and a member of the Board and Chief Executive Officer of the Company on its formation in December 2006.

Iain has over 30 years’ experience in crystal growth and semiconductor materials with an emphasis latterly on multicrystalline silicon technology. Prior to joining Crystalox, he spent eight years working in research and in industry with General Electric Company.

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Dr. Iain Dorrity, Chief Executive Officer
 

Michael Parker
Non-executive Director

Mike Parker received a Bachelor’s degree in Chemical Engineering from the University of Manchester and an MBA from Manchester Business School. He began his career with Dow in 1968. During his 34 years there he was based in the US, the UK, Switzerland and Hong Kong. He became president and chief executive officer of The Dow Chemical Company in Midland, Michigan, USA, in 2000 and a member of the company’s board of directors from 1995 to 2003.

He was subsequently appointed group chief executive of British Nuclear Fuels (a manufacturer and transporter of nuclear products) from 2003 until 2009.

He joined the PV Crystalox Solar Board as non-executive director in 2011 and he became Senior Independent Director in May 2013. He is chairman of the Audit Committee and the Remuneration Committee and a member of the Nomination Committee.

His directorships with quoted companies include SNC-Lavalin, in Canada, which he joined in 2010 as non-executive director, and Laird PLC where he was appointed as senior independent director in March 2015.

Mike is involved with a variety of charities and not-for-profit organisations including the Royal Liverpool University Hospital as chair of the BioCampus Board; Street League, a national charity that utilises football to engage with inactive 16–25 year olds, as chairman; and Alder Hey on the Children’s Charity Capital Appeal board. He is a trustee and chairman of the Royal Society for Prevention of Accidents (“RoSPA”), a trustee and honorary secretary of the Energy Institute and a member of the Manchester Business School advisory board.

Mike was awarded a CBE in the New Year Honours 2009 for services to the energy industry.

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Michael D Parker CBE, Non-executive Director
 
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