Ken co-founded and formed Rotech in 1994 with Dr Hector Susman following the purchase of the fabrication business of Volker Stevin Offshore (UK) Ltd.

With Hector, he changed the nature and direction of the business to focus on technology development for the energy industry, with applications in oil and gas, geothermal, offshore wind and tidal energy.

Prior to forming Rotech, Ken worked in private practice with international and local accountancy firms.

He is a Chartered Accountant, a Chartered Tax Adviser and a graduate of Aberdeen University.

Don was educated initially at The University of Glasgow, where he was awarded a B.Sc. Honours degree in Computer Science.

This was to be followed some years later by a Ph.D. in Non-linear Dynamics from the Dept of Engineering at Aberdeen University. From University he joined the Royal Air Force as a trainee pilot.

On leaving the Air Force he worked in the printing industry in Glasgow for a short while, before joining Rotech in 1996.

He became the Research and Development Manager in 2000 and Director of Rotech Engineering in 2003. His particular areas of interest are fluid dynamics and turbo-machinery, and he is a named inventor on many Rotech patents.

George was educated at Perth Academy and the University of Aberdeen, graduating in 1981 with an honours degree in history.

After spending a couple of years working in the character-shaping environment of the operating theatre of Aberdeen Maternity Hospital he returned to university where he gained a postgraduate accountancy qualification. He began as a trainee with one of the larger independent accountancy practices in Aberdeen and qualified as a Chartered Accountant in 1990.

After a number of years in the role of Audit Manager, he left to take charge of the audit department of a similarly sized practice in 1998.

George continued to monitor the progress of his former client during this time and joined Rotech in 2005 as Chief Financial Officer at a time when the Group was seeking to significantly expand the scale of its operations

Martin is a Chartered Civil Engineer with nearly 20 years postgraduate experience in the construction and oil and gas industries.

He studied at Glasgow University for five years, where he graduated with a Masters degree in Civil Engineering in 1995.

He worked as a Civil/Structural Engineering Consultant at Fairhurst in Aberdeen for seven years, also gaining experience with contractors Hunter Construction and Balfour Beatty.

Martin gained Chartered status in 2000 following successful completion of his professional review.

In 2002 he moved to Rotech, where he was appointed Engineering Manager in 2005, and was an integral part of the team that grew the Subsea business.

Martin was appointed to the board at the end of 2011.