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Mark Nichols, Chief Executive Officer

Mark joined Xeros as Chief Executive Officer in September 2015. Mark's background is in business development, finance and operations with Global enterprises including Total, Laing O'Rourke and BOC. During his career he has lived and worked in the US, Asia and Europe. Prior to joining Xeros, Mark led a number of technology start-ups in the cleantech arena.


Paul Denney, Chief Financial Officer and Company Secretary

Paul has built a strong track record in international corporate finance with businesses operating in the public markets and under private equity ownership. He established his career in financial management with US-based IT outsourcing business, Electronic Data Systems Inc. (now part of Hewlett Packard), working in the UK, Spain and Latin America. 

His two most significant recent roles were within high growth environments at Experian plc and at Callcredit Information Group. These roles encompassed organic and inorganic development both in the UK and overseas. Paul is a qualified accountant and has an MBA from the London Business School.


Non-executive Directors


John Samuel, Chairman

John joined Xeros as Chairman in September 2011. John has previously held a number of senior finance positions and was formerly the CEO of the Molnlycke Health Care Group as well as a former partner with Apax Partners LLP. John is also the Non-Executive Chairman at Tissue Regenix Group plc, Frosunda Omsorg AB and Vernacare Group Limited.


Dr. Richard Ellis

Richard joined the board in October 2014. Richard was the global head of Research and Development for Reckitt Benckiser and prior to that held positions with Unilever. He has experience of both the consumer and industrial cleaning markets and has worked in the UK, Netherlands, USA and Australia.  He has a BSc and PhD in Chemistry from the University of Manchester.



Stephen-Taylor.pngStephen Taylor

Stephen has over 20 years’ experience working with some of the world’s best known brands. Initially employed by Gillette and then P&G, he worked across local, regional and global sales and marketing roles for the Braun, Oral-B, Gillette and Duracell brands. He was Chief Marketing Officer for Samsung Europe where his remit covered the marketing of the whole portfolio of Samsung products across Europe. Stephen is currently the Chief Marketing Officer for PayPal Europe.