Sergey Klimenko
Chief Executive Officer (CEO)
Graduated from the Northern International University with a degree in Open—pit Mining, qualification - mining engineer. Also completed a professional retraining course on the right to lead underground mining and blasting operations.
Has more than 15 years of experience in the mining industry, including positions as Chief Engineer, Director of Mining and Technical Director in leading mining companies (Polymetal JSC, AGD DIAMONDS JSC, Mangazeya Mining LLC).
Also has significant expertise and experience in projects:
- successful launches of facilities "from scratch";
- in the reconstruction of existing mining facilities;
- automation and dispatching of production processes based on 1C ERP, 1C UT, 1C MRO, Automated Control System SCC.
In May 2025, became the head of the SN GM team as CEO.
Igor Maslak
Chief Geologist for Operations
He graduated from the National Research Tomsk Polytechnic University with a degree in Geological Surveying, Prospecting, and Exploration of Mineral Deposits, qualifying as a mining engineer. He also completed training in Economics and Management at an Enterprise (Mining Industry) and advanced training in project management.
He has over 17 years of industry experience at leading mining companies (Polymetal JSC, Eastern Mining Company LLC, and Sibanthracite Management Company LLC). He has managed both geological exploration projects and geological support for mining operations.
He has experience preparing and defending subsoil geological survey projects and reports estimating solid mineral reserves.
He has extensive expertise in the methodological support of geological work during mineral deposit development, both in accordance with Russian GKZ and NAEN standards, and the international JORC Code.
In October 2025, he joined the SN Gold Mining team as Chief Operations Geologist.
He has over 17 years of industry experience at leading mining companies (Polymetal JSC, Eastern Mining Company LLC, and Sibanthracite Management Company LLC). He has managed both geological exploration projects and geological support for mining operations.
He has experience preparing and defending subsoil geological survey projects and reports estimating solid mineral reserves.
He has extensive expertise in the methodological support of geological work during mineral deposit development, both in accordance with Russian GKZ and NAEN standards, and the international JORC Code.
In October 2025, he joined the SN Gold Mining team as Chief Operations Geologist.
Dmitriy Roschenko
Technical director