Languages
- Bulgarian
- English
Kostadin Sirleshtov is managing partner of CMS Sofia and Head of Energy & Climate Change for CEE, where his team consists of over 80 lawyers in seven CEE jurisdictions.
His areas of expertise cover conventional power, renewables, oil & gas, infrastructure, projects, PPP, public procurement, and underground resources. He has worked as the Chief of the Minister’s cabinet for the Ministry of Energy and Energy Resources. Kostadin has over 25 years’ experience in the energy sector and is one of the most renowned energy experts in Bulgaria and in the wider CEE region.
Kostadin has vast experience in the electricity and oil & gas sector. He has represented clients, including renewables organisations, in negotiations with the Bulgarian Government, the National Electricity Company and the Electricity Transmission System Operator. In addition, he has advised major international oil & gas prospecting and exploration companies in Bulgaria on major onshore and offshore projects. He is particularly focused on advising renewables companies on the development, operation and acquisition, sale and financing of their projects in Bulgaria and CEE, including on litigation matters. Kostadin has also been a key figure in the development of Bulgarian energy legislation since 2000. He and his team are ranked among the top Bulgarian energy experts in the world’s leading legal directories Chambers & Partners, Legal 500 and IFLR1000.
