The Court of Arbitration for Sport (CAS) on 13 March 2017 upheld a lifetime ban levied against Sergei Portugalov for his role in providing illicit substances to Russian athletes.
Portugalov is former Chief of the Russian Athletics Federation's Medical Commission.
The CAS upheld the ban as part of an arbitration involving the International Association of Athletics Federation (IAAF) and the Russian Athletics Federation.
In a statement, the CAS stated that there is a "clear evidence" that Portugalov violated IAAF doping rules governing possession and trafficking of prohibited substances.
In a 2015 report, the World Anti-Doping Agency (WADA) has stated that Portugalov supplied performance enhancing drugs to athletes and coaches, administered doping programmes and "even injected athletes himself".
About Court of Arbitration for Sport
• The Court of Arbitration for Sport is an international quasi-judicial body.
• It was established to settle disputes related to sport through arbitration.
• Its headquarters are in Lausanne, Switzerland.
• Its courts are located in New York City, Sydney and Lausanne.
• The CAS was originally conceived by International Olympic Committee president Juan Antonio Samaranch to deal with disputes arising during the Olympics.
• In 1984, the body was established as a part of the International Olympic Committee in 1984.
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