Representative CAS disputes in which Brianna Quinn has acted as counsel or member of the counsel team have included:
- CAS 2020/O/6689, World Anti-Doping Agency v. Russian Anti-Doping Agency (on behalf of the IOC)
- TAS 2020/A/7592, Ahmad Ahmad c. Fédération Internationale de Football Association (FIFA) (on behalf of FIFA)
- CAS 2019/A/6181, FRBG v. FIG (on behalf of the FRBG)
- CAS 2018/A/6069, André Cardoso v. Union Cycliste Internationale (UCI) (on behalf of UCI)
- CAS 2018/A/5518, Nicola Ruffoni v. Union Cycliste Internationale (UCI) (on behalf of UCI)
- CAS 2017/A/5166 & 5405, Palestine Football Association v. Fédération Internationale de Football Association (FIFA) (on behalf of FIFA)
- CAS 2016/A/4648, Blaza Klemencic v. Union Cycliste Internationale (UCI) (on behalf of UCI)
- CAS 2016/A/4828, Carlos Iván Oyarzun Guiñez v. Union Cycliste Internationale (UCI) & UCI Anti-Doping Tribunal (UCI-ADT) & Pan American Sports Organization (PASO) & Chilean National Olympic Committee (CNOC) (on behalf of UCI)
- CAS 2013/A/3297, Public Joint-Stock Company “Football Club Metalist” v. UEFA & PAOK FC (on behalf of PAOK)
- CAS 2013/A/3274, Glaesner v. FINA (on behalf of Mr. Glaesner)
Basketball Arbitral Tribunal (BAT):
- Appointed as Arbitrator in over 50 disputes since 2016
Other disputes have included:
- Proceedings before the UEFA Disciplinary Bodies
- Proceedings before the FIFA Disciplinary and Dispute Resolution Bodies
- Proceedings before the FINA Doping Panel
- Proceedings before the UCI Anti-Doping Tribunal