Dylan Mitchell

Dylan Mitchell is a Director in RCG’s London Office. He has extensive experience in commercial roles in the renewables industry, with a broad range of commercial, and strategy experience.

Dylan is an expert in commercial strategy, and business development and sales expansion. As Director of Global Business Development, he has responsibility for building and optimising RCG services and solutions for clients. Dylan has a proven track record of understanding customer’s challenges in large complex projects, and creating and leading the multi-disciplinary teams able to solve them.

With experience spanning across the entire offshore wind supply chain, Dylan has held multiple energy industry leadership roles and has directed sales into some of the largest renewable energy development projects. This includes serving as a sales director for complex, international offshore wind projects. In addition to sales, he has extensive experience in market entry and early business development.

Dylan Mitchell is trained as a civil engineer and has additional qualifications in project management, finance, and strategy. He has attended business and executive leadership courses at Bocconi University.

Mr. Okahara is a Director in RCG Tokyo Office. He has over 30 years’ experience in civil engineering construction sector with project management, construction management, design, schedule control, risk management, and trouble shooting roles for both international and Japan domestic projects.

Mr. Okahara is an expert in marine, highway, and plant construction. He has a proven track record in directing mega projects of over JPY 20 billion scale. He brings a wealth of practical knowledge to clients on how to prevent/solve the inherent problems with the delivery of projects.

Mr. Okahara began his carrier as a civil design engineer for marine structures. He has been involved to berth/jetty, under water pipelines, underwater tunnel, cooling water systems construction projects. He also has been involved some earthworks and structural works on land through highway and pipeline projects on land. With the experience in a major contractor in Japan, Mr. Okahara has held project management roles and has led some of the mega projects to successful completion of work. Technically, he has experienced SEP operation under high wave condition, under water works at the sea area with high marine traffic density, and submerging structures at complicated oceanic current situation.

Mr. Okahara was appointed as a parttime lecturer for “International Mega-Project Management” at Graduate School of Management, Kyoto University from September 2015 to March 2016.

Masato Bannai is a Director in RCG Tokyo office. He has unique experience, gained from over 25 years working in various regions and technologies across the power sector (including gas and fossil fuels, hydro, on/off shore wind, and solar) from the perspective of both the EPC Contractor and the Project Owner/Developer.

Mr Bannai is an expert in contracting of engineering procurement construction (EPC) and operations and maintenance (O&M) agreements, together with the associated commercial negotiations and settlement for contractual disputes. He has a proven track record in reaching an agreement for complex issues by exercising his professional skill. As a Director in our APAC group, he has responsibility for building and expanding RCG services and solutions for clients.

With experience working on various overseas power projects whilst serving in a major Japanese trading firm and also a renewable project developer, Mr Bannai has held leadership roles for covering commercial disciplines and has also led renewable energy Independent Power Producer (IPP) projects in the development phase. This includes serving as manager for offshore wind EPC opportunities. He also has extensive experience in commercial dispute settlement, insurance arrangements, project due diligence for new opportunities, and mergers and acquisitions.

Mr Bannai is qualified in international relations.


Dan Kyle Spearman is a Director in RCG’s London office, leading on floating wind. A background in naval architecture with 6 years of fixed and floating offshore wind experience brings a broad range of technical, operational and commercial expertise.

Mr Spearman is an expert in floating offshore wind and has worked with the leading developers to reduce the cost and risks to enable the future commercialisation of floating wind. He has a proven track record of delivering complex projects with multiple stakeholders across a range of topics in both fixed and floating offshore wind.

Dan Kyle Spearman has a wide range of offshore wind experience, having managed the Floating Wind Joint Industry Programme and the O&M workstream in the world-leading Offshore Wind Accelerator (OWA) research programme. In these collaborative programmes, he worked closely with fifteen of the leading international developers and Scottish Government to make both fixed and floating offshore wind into mainstream energy sources. In particular, Dan worked with developers to address the technical challenges for deployment of future large-scale floating farms, giving insight into the challenges and opportunities of floating wind and engaging with the floating wind supply chain to implement the results. He has also managed multiple projects relating to marine logistics which have reduced costs, improved offshore health and safety and reduced vessel emissions. He has supported innovators with demonstrating and commercialising their technologies. Previous experience includes the designing and testing of high-speed vessels, control system programming and build co-ordination at a major UK shipyard.

Dan Kyle Spearman is a qualified Naval Architect with additional qualifications in project management. He also has STCW certification for going offshore.

Tor Inge Vevatne is a Director and serves as General Manager of RCG Nordic. He has over 12 years’ experience focusing on cost modelling and investment strategy in the renewables sector.

Mr Vevatne has led financial advisory assignments, building project finance, cost, and optimisation models for clients from first principles. These accomplishments have been achieved through close cooperation with engineers in multi-disciplinary project teams which have required Mr Vevatne strong inter-personal skills in international environments. Mr Vevatne is also a Director and founder of ÆGE Energy.

Mr Vevatne works closely with specialists in multiple areas which has allowed him to develop a unique insight into the onshore and offshore wind and electrical infrastructure industry beyond what is normal for financial experts. His project knowledge includes cost modelling, permits, power purchase agreements (PPAs), wind analysis, supply chain, price curve forecasting, use of system tariffs and grid agreements. His experience includes financial analysis for UK onshore wind acquisitions; offshore wind cost and optimisation modelling; cost model auditing for offshore wind industry; onshore wind cost modelling, merit order analysis and acquisition strategy.


Laura Evertsen is a Director based in RCG’s office in Taipei, Taiwan. She has more than 15 years’ experience in the energy industry, centred mostly on renewable energy.  She has led multifaceted teams to deliver large infrastructure projects, from conception through to operation, and has particular experience in divestment, business strategy and transformation.

Mrs Evertsen has broad experience leading multi-disciplinary teams to deliver large-scale projects. Whilst she has experience across all stages of the project lifecycle, her most extensive experience in project delivery is in site identification and conceptual design, site selection and acquisition, EIA and consent award, and project initiation and permitting.

Prior to joining RCG, Mrs Evertsen held senior roles within a major multi-national energy utility, including serving as Head of Renewables.  Her experience includes driving the company’s entry into renewable energy and offshore wind, with her early involvement in influencing market policy and offshore regulation helping to set the corporate strategy.  Under Mrs Evertsen’s tenure the company owned and operated what was then the United Kingdom’s largest offshore wind farm, consented a large-scale offshore wind farm despite significant environmental challenges, secured the exclusive development rights for a large development zone, and become the first owner/operator to deliver a multi-contract operating strategy for an out-of-warranty offshore wind farm. Mrs Evertsen held a number of commercial and development roles within the organisation. She has broad experience of many project financing, joint venture and divestment deals. This includes the disposal of an entire offshore wind portfolio.

Mrs Evertsen is a qualified geographer. She has supplemented this with training in project management, leadership , and health and safety disciplines.