Franck Constant


Franck has over 20 years of experience working in the independent power industry and 10 year in solar PV. Prior to founding ConstantEnergy, Franck co-founded Sonnedix, a solar IPP in 2009 and as board member and President developed the business into a global solar IPP fund present in 8 countries, including France, UK, Japan, Thailand, South Africa, with world class development, project finance, construction and asset management capabilities. Franck moved into the power generation industry in 1995 by joining Sithe Energies Inc. in Bangkok where he worked for five years developing Sithe’s power projects and business in South East Asia. During this period, Sithe became Thailand’s leading foreign IPP, with new assets worth over $500 million. He continued in the power generation industry until 2002, working as Director for Business Development for Sithe in Korea and subsequently for Mirant Asia-Pacific in North East Asia. In these roles, he successfully structured, financed and managed over $1 billion of greenfield power projects and acquisitions for Sithe and Mirant. Franck started an energy consulting firm in 2002 by establishing Asia Energy Resources, subsequently acquired by AWR Lloyd, an energy advisory firm in 2006, becoming a partner in AWR Lloyd till 2010, providing advisory services to oil, power and mining companies. 

Finance Degree, EDHEC

Markus Ganterer

Chief Financial Officer​

Markus has extensive experience in corporate finance, investor relations and fund compliance. He was previously compliance and finance officer for Sonnedix Solar LP from 2010, initially in Madrid/ Spain and the in the London office which he helped to grow from zero to 50 staff. At Sonnedix, Markus set up corporate finance and compliance systems, in addition for being responsible for Investor Relations and was closely involved together with the founders to build Sonnedix, develop and prepare and execute the exit to JP Morgan in 2016. He was responsible for 37 Capital Accounts of Family Offices including reporting on a quarterly basis for 6 years and preparing the exit process for these investors together with ensuring ongoing document and tax compliance. Prior to that, Markus managed as CFO/ Asset Manager Arclight Capital’s Energy portfolio investments in Europe and worked in Investment Banking for Commerzbank and a Private Equity boutique. Markus co-founded Constant Energy with Franck Constant in 2017.
Markus holds a Finance Master Degree from Frankfurt School of Finance & Management as well as an Executive MBA from New York University, London School of Economics and HEC Paris.

Romain Maire

Chief Operating Officer

Romain is a pioneer in the solar corporate PPA business in Southeast Asia with strong leadership and execution skills. He has over 15 years experience in the B2B project development, project management including engineering and construction supervision, and asset management. Now based in Singapore, he did work in various Asian countries with highly competitive environments such as China, India, Japan and Southeast Asia. Prior to Constant Energy, Romain was working with Air France, Engie, Dextra, Bouygues Construction, and Solareo which Constant Energy acquired in February 2017. Romain holds a Master in mechanical engineering and a MBA from HEC Paris.