Management Team

Over the past ten years, Scotrenewables Tidal Power Limited has built up a highly motivated and dedicated team, to progress the design and testing of the tidal turbine. Led by Barry Johnston,  founder and company director, the company has expanded from a two man team to approx 25 staff members including design engineers, hydrodynamicists, offshore operations, electrical engineers, environmental and consents, health & safety and business development.


Barry Johnston – Founder & Company Director

Following his first degree in Offshore Engineering at Heriot-Watt University Barry went on to undertake a PhD in marine renewables at Heriot-Watt University’s Orkney Campus. Barry founded Scotrenewables in 2002 with an Enterprise Fellowship from the Royal Society of Edinburgh and has now worked in renewable energy for over 13 years with a continued focus on the commercialisation of his tidal turbine design.  Barry is involved in all aspects of the engineering design with a particular focus on offshore testing operations.  He has won a number of awards for his work in renewable energy over the years. 

Andrew Scott - CEO 

Andrew joined the company as Chief Executive Officer in 2015 from the background of having spent 12 years working at the leading edge of the marine renewables sector with Pelamis Wave Power where he was the Business and Project Development Manager covering a wide range of commercial activities.  Andrew graduated from the University of Strathclyde in 2000 with a degree in Mechanical Engineering and also completed a postgraduate MSc in Energy at Heriot Watt University.

Jonathan Meason - Chief Technical Officer

Jonathan graduated from Strathclyde University with MEng Mechanical Engineering and joined the company in 2007 as a design engineer, progressing to principal structural and mechanical engineer before taking up the CTO role in June 2013. He is now responsible for the technical development of the tidal turbine project, including planning, engineering integration, and management of the technical team.  Jonathan has extensive experience and proficiency in Computer Aided Design (CAD), Finite Element Analysis (FEA), Computational Fluid Dynamics (CFD), and other numerical modelling tools as well as developing SRTP's dynamic rotor analysis package, jFAST.  

James Murray - Business Development Manager

James joined the company in 2013.  His responsibilities include liaising with future customers, utility companies, commercial tidal site developers, government departments, consenting authorities, and other stakeholders to identify, develop and secure new market opportunities and promote the successful and sustained growth of the company.  He also represents Scotrenewables at conferences, stakeholder meetings and events and is responsible for all marketing and PR activities.

Following completion of his degree and master's degree in both engineering and renewable energy in 2007, James has played a key role throughout his career in driving the growth of wind and hydro energy businesses by identifying solutions to emerging technical challenges and identifying new opportunities as the industry has evolved and matured.  He now applies his considerable experience to leading the business development activities of the company.

Trevor Walls - Electrical Engineering Manager

Trevor has responsibility for the design of all electrical and control systems on the SRTT since joining the company in 2007. His role involves specification of electrical and control hardware and software, contractor and personnel management, commissioning of all onboard electrical systems, and has responsibility for all electrical works during testing operations. Trevor has previous experience working in the marine sector in DP vessel electrical design and construction.

Calum Miller - Hydronamics & Offshore Engineering Manager

Calum has been with Scotrenewables since 2009.  Calum has a dual role in the company, taking a lead role in planning and undertaking all offshore operations, including sea trials of the SR250, and managing the hydrodynamics department in the design of the future turbines and mooring systems.  In his role as a hydrodynamicist Calum uses software packages such as Orcaflex and Matlab, and has developed an array of in-house tools for data analysis and environmental modelling.

Briony Spence – Finance Manager

Briony joined the Company in 2007, shortly after graduating from the University of Aberdeen with an MA in Accountancy and Management. She was involved in developing the financial monitoring & reporting mechanisms present in the Company and is responsible for all aspects of SRTPs financial management. Her role includes budgetary planning & analysis and cash flow monitoring.