An international team led by Olympic President of the Ground Jury

When top riders and their horses meet at the Bird's Nest, the fairness of the competition, order, and horse health also rely on a team of technical officials tested at world-class events. The international technical officials team for this edition once again brings together professional forces from different countries and regions—they come with their own deep experience from international arenas, and with an international perspective and professional standards, jointly safeguarding every wonderful leap of each horse-rider combination.

01 Stephan Ellenbruch

President of the Ground Jury|Stephan Ellenbruch|Germany

FEI 4-star Jumping Judge, currently Chair of the FEI Jumping Committee and a member of the FEI Board. He has served twice as President of the Ground Jury for Olympic Jumping events, and his judging career covers European Championships, World Cup Finals, and Nations Cup Finals.

Key Career Highlights

• President of the Ground Jury, 2011 Madrid European Jumping Championships

• President of the Ground Jury, 2012 London Olympic Jumping

• Member of the Ground Jury, 2013–2015 Barcelona Nations Cup Finals

• Member of the Ground Jury, 2015 Aachen European Jumping Championships

• President of the Ground Jury, 2016 Rio Olympic Jumping

• President of the Ground Jury, 2016 Barcelona Nations Cup Final

• President of the Ground Jury, 2017 Omaha FEI Jumping World Cup Final

• Served as President of the Ground Jury for the Aachen CSIO5* Jumping event since 2009

• Re-elected as Chair of the FEI Jumping Committee in 2025 for the 2025–2029 term

02 Kazuya Hirayama

Foreign Judge|Kazuya Hirayama|Japan

FEI 4-star Jumping Judge. From Rio and Tokyo Olympics to the Aachen World Championships, Kazuya Hirayama has repeatedly been part of the Jumping Ground Jury at major international events, bringing Olympic- and World Championship-level judging experience to this edition of the event.

Key Career Highlights

• Member of the Ground Jury, 2016 Rio Olympic Jumping

• Member of the Ground Jury, 2020 Tokyo Olympic Jumping

• President of the Ground Jury, 2022 Hangzhou Asian Games Jumping

• Member of the Ground Jury, 2026 Aachen FEI Jumping World Championships

03 Victor Tsang

Chief Steward|Victor Tsang|Hong Kong, China

FEI 3-star Jumping Steward. He has served as Chief Steward at many international events and has extensive hands-on stewarding experience at numerous 5-star events, overseeing the arena throughout and implementing competition rules and horse welfare requirements in every aspect of the event.

Key Career Highlights

• Chief Steward, 2024 Jiayan Cup International Equestrian Jumping Event

• Steward, 2026 Longines Hong Kong International Equestrian Gala

04 Dr. Rüdiger Brems

Veterinary Delegate|Dr. Rüdiger Brems|Germany

German equine specialist veterinarian, FEI 3-star Veterinarian, and founder of Wolfesing Horse Hospital. Deeply engaged in equine orthopedics, surgery, and sports medicine, he combines experience as an international event Veterinary Delegate and as a team veterinarian at World Championships.

Key Career Highlights

• Founded Wolfesing Horse Hospital in Germany in 1990

• Team veterinarian for the USA Four-in-Hand Driving Team, 2026 Aachen World Championships

• Veterinary Delegate for Jumping, 2026 Munich International Equestrian Event

Professionalism is demonstrated not only in every precise decision and every rigorous stewarding procedure, but also in a comprehensive system safeguarding horse health in all dimensions.

From October 15–18, 2026, this international professional team will once again assemble at the National Stadium (Bird's Nest) to provide full support for the 13th Longines Beijing Masters.