The master of sports of the USSR. Mountain guide.
The oldest agency guide Sergei Kalmykov continues his collaboration with CET Neva.
In 1997, when he was 57 years old, he participated in the Eiger climb together with Moshnikov and Totmianin.
With his knowing three foreign languages (English, French, Spanish) Sergei was many a time the head of multilingual client groups and expeditions.