Complex sentence: GAISF is the umbrella organisation for both Olympic and non-Olympic international sports federations as well as organisers of international sporting events and in this case provide expertise in, for example, anti-doping, integrity, social responsibility.
Split into simpler sentences: GAISF is the umbrella organisation for both Olympic and non-Olympic international sports federations, as well as organisers of international sporting events. In this role it provides expertise in, for example, anti-doping, integrity and social responsibility.