Our team

John Ibbett

John Ibbett - Chairman

A passionate and highly regarded expert in agriculture and property, John’s combination of commercial and environmental vision has been fundamental to BIOGEN’s formation and growth, and recently the formation of BiogenGreenfinch.

John is a graduate of Harper Adams Agricultural College and represents the third generation of the Ibbett family's ownership and management of the Bedfordia Group. He has worked for the Group since 1982 and has been Chairman and Chief Executive since 1995.



Michael Chesshire

Michael Chesshire – Technology Director

As the founder of Greenfinch, Michael developed the business into the leading UK AD technology provider before it merged with BIOGEN. He brings over 30 years of process engineering experience and expertise to the new business.

Michael is a well known and respected figure within the anaerobic digestion industry.  He is Chairman of the Renewable Energy Association Biogas Group and was recently appointed a visiting Professor at Southampton University.


Andrew Needham

Andrew Needham – Director of Operations

An established expert on AD technology and application, Andrew frequently presents at industry events where his combination of farming and AD expertise make him uniquely qualified to advise on new developments.

It was Andrew’s research into Anaerobic Digestion back in 2002 that led to the development of the BIOGEN concept and the reality of its first AD plant in Bedfordshire. Andrew also remains a Director of Bedfordia Farms- one of the top 20 largest farms in the UK.



Roger Winter

Roger Winter - Finance Director

Roger is an experienced Chartered Accountant (FCA), having qualified in 1971 with Pricewaterhouse (now PwC) and is also FD of parent Bedfordia Group.

He has 30 years of Board level experience in both private and quoted companies, operating in a variety of sectors, including manufacturing, service and software development.