Jamie Singer

Last updated
Jamie Singer
Born
United Kingdom
Occupation Attorney
EmployerOnside Law LLP
TitlePartner

Jamie Singer is a British legal expert and sports lawyer based in London, United Kingdom.

Career

Singer began his legal career at the law firm Clifford Chance, where he gained experience in corporate and commercial law. Singer later moved to a dedicated sports law group within Nicholson Graham & Jones (now part of K&L Gates). There, he further specialized in advising clients within the sports industry. [1] His experience in the sector led to a move to IMG, where Singer served as the principal legal advisor for several European divisions in tennis, sponsorship consultancy, fashion and model management. [1]

In 2005, Singer co-founded Onside Law, a sports-focused law firm in London, with Oliver Hunt and Simon Thorp. [1] Onside Law represented Belgian footballer Eden Hazard during his 2019 transfer from Chelsea to Real Madrid. At £130 million plus add-ons, it was one of the largest transfer deals in world football at the time, only surpassed by deals for Brazilian footballer Neymar and French footballer Kylian Mbappé two seasons prior to Hazard's transfer. [2] Onside Law also represented English footballer Jude Bellingham in his £89 million transfer to Spain from Borussia Dortmund to Real Madrid in the summer of 2023, following his performance in the Bundesliga. [3]

In April 2024, Onside Law represented Jannik Sinner, an Italian tennis player who had tested positive for the banned substance clostebol. [4] In August 2024, Singer argued that Sinner had come into contact with traces of the substance via his physiotherapist during treatment, who had used clostebol to treat a hand injury. [5] [6] Clostebol was found in two separate March 2024 drug checks, with some players calling for a lengthy ban, including Australian tennis player Nick Kyrgios. [7] However, an independent tribunal found the positive test for steroids was unintentional and cleared Sinner of wrongdoing. [8] [9] Following a legal challenge by the World Anti-Doping Agency to the ruling, the case was settled in February 2025 by the Court of Arbitration for Sport (CAS), with Sinner accepting a 3-month suspension. [10] [11]

References

  1. 1 2 3 "Onside Law and its History". The Sunday Times. November 14, 2019.
  2. ↑ "Lawyer in the news: Oliver Hunt of Onside Law". Law Society Gazette. June 24, 2019.
  3. ↑ "Jude Bellingham, Liverpool, Manchester United and the battle to sign England star". NY Times. December 10, 2022.
  4. ↑ "Jannik Sinner off the hook - but locker-room murmurs linger". The Times. August 23, 2024.
  5. ↑ Walsh, David. "Jannik Sinner's overly neat tale ends with neatest suspension of all". The Times.
  6. ↑ Briggs, Simon (February 15, 2025). "Sinner and his lawyers play system like a Stradivarius by negotiating three-month ban". Daily Telegraph.
  7. ↑ Rumsby, Ben (August 20, 2024). "Nick Kyrgios says Jannik Sinner should get two-year ban for failed drugs tests". The Telegraph.
  8. ↑ Roush, Ty (August 20, 2024). "Tennis Star Jannik Sinner Tests Positive For Steroids—But Probe Finds It Was Unintentional". Forbes.
  9. ↑ "Sinner cleared after testing positive twice for banned substance". BBC. August 20, 2024.
  10. ↑ Nair, Rohith (February 15, 2025). "Janner Sinner accepts three-month doping ban". Reuters.
  11. ↑ "Tennis world No. 1 Jannik Sinner gets 3-month ban to end doping case". CBS News. February 15, 2025.
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