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Mark Allen – Founder & CEO of Allen & York  

Mark pioneered Sustainable Recruitment by founding ALLEN & YORK in 1993, championing ethical best practice, as well as  recruiting into an industry he feels passionately about. Mark has over 20 years of recruitment experience across a range of  technical areas, but crucially has never strayed far from his  background in Environmental Science.

Mark communicates this passion for a sustainable business throughout ALLEN & YORK, where he is committed to the creation of a challenging, enjoyable and interesting working environment. There is a culture of encouraging talented people to flourish and develop their own careers, whilst helping professionals throughout the sustainability industry to do the same.

He believes in the long term commitment of running a sustainable business and recognises the importance of 'putting something back' into the local and international community.

Mark has successfully created a leading specialist sustainability recruitment/search and selection consultancy and is committed to ensuring ALLEN & YORK remain at the forefront of developments within the industry.


David Blake – Managing Director

David has over 9 years’ experience within Sustainability recruitment at ALLEN & YORK and extensive  specialist  knowledge of the Energy, Planning and Environmental  markets.  

He took over the reins at ALLEN & YORK with his appointment to Operations Director in October 2014.  Successfully growing the business to support an increased need for sustainability professionals in the UK, Europe and beyond.  

His business acumen and management talents have enabled him to develop key partnerships with major consultancies, developers, utilities and manufacturers worldwide.

By strategically restructuring and securing investment within the business, David has enabled strong internal growth and an enhanced recruitment offering for ALLEN & YORK’s clients and candidates.  

Our services now encompass a broader skill-set, including; Rail & Transportation, Water, Waste & Recycling and Planning & Built Environment, all in addition to our extensive specialist recruitment portfolio.

Promoted to Managing Director in July 2015 to focus on growth across our UK and International operations; David is committed to delivering excellence, value and ethical transparency across all our operations.  He has a clear vision for ALLEN & YORK to be the leading provider of specialist sustainability recruitment, worldwide.


Rachel King – Finance Director

Rachel is a member of the Chartered Institute of Management  Accounts  having qualified in 2007 and has been working in the recruitment sector for 7 years.

Her role has a strong strategic and commercial element ensuring  that  business objectives are achieved year on year and she is  responsible for  the following departments: Finance, HR, IT &  Systems, Management Information Reporting.

Prior to joining ALLEN & YORK, Rachel worked for a number of SME’s in the media industry. In 2006, she worked with the CEO of Optimum Releasing on the sale of the film distribution company to StudioCanal, a subsidiary of Vivendi SA.

She also has a BMus in Music from the University of London.

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