Canada's Mark Samuel, Sabrina Ibáñez (ESA), and Jack Huang (TPE) are vying for the organization's highest office.
The 58-year-old Belgian, who took up the post in 2014, is running unopposed on the presidential ballot for his third and final term.
There are 24 positions open including President, Athlete Representatives, Chairpersons for Group VI, and the Veterinary Committee.