TEAM
2015
Year Established
93
Years of Combined
Experience
WILLIAM RATHVON
FOUNDER
Will has over 30 years experience in leading and building sustainable teams and businesses within existing financial institutions. His strengths include developing strategies, providing financial advisory services, and working with key stakeholders to ensure the overall results are valuable for his clients. Will maintains key relationships with major global and regional companies across the oil & gas, mining & metals, global commodities and power & utility sectors. He has advised and raised multi-billion dollars of capital for M&A, structured finance and project finance transactions in the LNG, O&G, Refining, Petrochemical, Power, and Mining industries.
ROBERT LEMMEY
ADVISOR
Rob has over 43 years of Oil and Gas industry technical and managerial experience with Schlumberger, Halliburton & Triangle Energy. Throughout his career he has been active in starting up and running Service and Upstream operating companies, and training local staff to manage these businesses. In the past 4 years he has been active in Upstream and Downstream investing, with Blackstone, Lamara Energy and Green Rock Enterprises. His success has been based on wide experience in all areas of oil & gas operations across many different product lines within South East Asia & Pacific, Middle East, and European countries.
RUDY SEMBIRING
ADVISOR
Rudy has over 20 years experience engineering and process related industries in multiple disciplines. He has gained invaluable experience in strategic analysis and commercial analysis, nancial structuring and valuation, and nancial modelling. His work has been noteworthy in start-ups, application of newer technology or methods to enhance performance, valuation of businesses for acquisitions, and optimising specic tactics to achieve the strategic outcome. Rudy has worked with the Green Rock team for nearly 2 years on hydrocarbon transactions in the upstream, mid-stream and down-stream oil & gas sectors.
JOKO NURSAPTO
ADVISOR
Joko has extensive experience with more than 20 years in consulting management, specifically in the toll road industry having been involved in infrastructure and technical modeling projects covering planning, land acquisition, design, technical monitoring, construction, and operational supervision. His expertise also extends to working closely with regional and state governments and various institutions as well as investment and EPC-related companies. Joko has built a strong network of contacts through his time working with various multi-level government entities, local authorities, senior stakeholders, investors, contractors, and consultants. Joko is based in Jakarta and regularly travels for work across Indonesia and is well-connected with the local communities
