Sianna Tsakiridis becomes member of Canadian High Performance team! May 19, 2019 News Our Sianna became a member of National High Performance team. She now belongs to top 15 Canadian athletes who make up the team. We are very proud of your achievement Sianna! Post navigation Glimmer Athletic Club junior group wins gold medals at 2019 Canadian ChampionshipsCanadian rhythmic gymnasts capture seven medals at 2019 Junior Pan Am Championships Did you like this? Share it!