David Casserly

David Casserly

MLaw, Attorney at Law, Partner


Place Saint-François 1
CH-1002 Lausanne

Tel +41 58 200 33 00

Fax +41 58 200 33 11


Natalia Nunez


David Casserly is a barrister and attorney (Bar of Ireland; Bar of England & Wales; Bar of New York) specialised in the areas of sports law and international arbitration.

Mr Casserly acts for a wide range of clients, including prominent football clubs (English Premier League, La Liga, Serie A, Ligue 1, Chinese Super League, Brasileirão etc.) and some of the world's largest sporting organisations. He is particularly recognised for his expertise as an advocate before the Court of Arbitration for Sport and his experience and knowledge of the football industry.

In addition to his role as counsel, he is an Arbitration Fellow (CIArb) and an accredited mediator and regularly sits as arbitrator or mediator in commercial and sports-related disputes. He also lectures on sports law and international arbitration in several universities and has leadership roles within a number of international arbitration and sports law organisations.

David Casserly is a contact person for the firm’s Sports Law Group, and is ranked as a leading sports lawyer by every major international legal directory:

  • Who’s Who Legal Global Guide (2019): David Casserly impresses peers and clients alike with his notable experience navigating disputes; respondents hail his “deep knowledge of the CAS and World Anti-Doping Code” and note that he is “very strong on detail and sharp on case strategy” and “overall a huge asset”.

  • Legal 500 (2019): 'Deeply knowledgeable, fully dedicated, organised and coherent' attorney and barrister David Casserly, who joined the firm in 2017, 'stands out as an advocate in oral hearings'.

  • Chambers and Partners (2019): David Casserly of Kellerhals Carrard represents football clubs in disputes, as well as advising players and agents on transfers. Clients note that "his organisational skills are above average and the way he prepares his cases is really impressive."

  • Who’s Who Legal National Guide (2019): David Casserly is highlighted as a "leading sports law barrister" who stands out in particular for his depth of expertise in football.

Practice areas
  • Sports Law
  • Arbitration and Litigation
  • Commercial and contract law, particularly in football
  • Mediation
Practice groups
  • Arbitration
  • Sports law
  • 2013: Masters II Droit du Sport, Université Paris Sorbonne
  • 2012: Admitted to the Bar of England & Wales
  • 2007: Arbitration Fellow, The Chartered Institute of Arbitrators
  • 2005: Accredited Mediator, ADR Group
  • 2005: Admitted to the Bar of Ireland
  • 2005: Barrister-at-Law Degree, The Honorable Society of King’s Inns
  • 2004: Diploma in Construction Law, Trinity College Dublin
  • 2004: Admitted to the New York Bar (Attorney-at-law)
  • 2003: Diploma in Legal French, ICC Paris and the Law Society of Ireland
  • 2003: Diploma in Arbitration, University College Dublin
  • 2002: Bachelor of Civil Law Degree, University College Dublin
  • 2001: French and European Civil Law, Université de Caen
Experience / Career
  • since 2017: Partner, Kellerhals Carrard, Lausanne
  • since 2008: Barrister, practising at the Irish Bar
  • 2009-2011: Associate, Lévy Kaufmann-Kohler, Geneva
  • 2009: Intern, ICDR/American Arbitration Association, New York
  • 2005-2008: Legal Counsel & Head of Mediation at the Court of Arbitration for Sport
  • 2003-2004: Attorney, Shearman & Sterling, Paris
  • English
  • Irish
  • French
  • Vaud Bar Association (OAV)
  • Swiss Bar Association (FSA)
  • Registered in the Vaud Cantonal Attorneys' Register (List of registered EU lawyers)

Mr Casserly has held the following leadership roles:

  • Vice-President of the UIA Sports Law Commission.
  • Executive Committee of the International Football Lawyers Association (AIAF).
  • Chairman of the AIAF Football Disputes Committee.
  • Editorial Board of Football Legal.
  • Editorial Board of Law in Sport.
  • Executive Council of the Sports Law Bar Association.
  • Steering Committee of the International Arbitration Bar.
  • Executive Committee of the Irish delegation of the European Court of Arbitration.
  • ADR & Arbitration Committee of the Bar Council of Ireland.
  • Global Steering Committee of the Chartered Institute of Arbitrators Young Members Group.
  • International arbitration sub-committee of the Chartered Institute of Arbitrators’ Irish Branch.

He is also a member of a number of sports law (ANZSLA, ASDS, BASL, IASL, SLA, AIAF), arbitration (ASA, Arbitration Ireland, Young ICCA, ICDR Y&I, LCIA YIAG, CIArb) and professional (The Honourable Society of the Middle Temple, AIJA, IBA, ABA, European Circuit of the Bar, UIA) organisations.

Further activities
  • Mr Casserly acted as a prosecutor (Disciplinary and Ethics Inspector) for UEFA for eight years and previously fulfilled the same role for the Football Association of Ireland (FAI) for three years.
  • Mr Casserly is a former vice-chairman of the Irish Sport Anti-Doping Disciplinary Panel, and is a member of several arbitration and mediation panels (including Sports Resolutions UK, Sports Dispute Solutions Ireland, ICC, CEDR).
  • He lectures on sports law and arbitration law in universities in Ireland, Spain, USA, Italy, France and Switzerland.
  • He is also an experienced sportsman, having played club rugby in Ireland and France, and international rugby with Switzerland.
Media / Rankings / Awards
  • Leading Sports Lawyer – Legal 500 2019

  • Leading Sports Lawyer – Who’s Who Legal 2019

  • Leading Sports Lawyer – Chambers & Partners 2019

  • The Times
    'Lawyer of the Week' Article

    1. Download
  • Law Society Gazette Article

    1. Download
  • Global Arbitration Review Article

    1. Download
  • Football Legal Article

    1. Download
  • Kingdom of Football Article

    1. Download
Publications and presentations
  • Mr Casserly has presented at numerous sports law and arbitration events, including conferences and seminars organised by the following organisations: Swiss Arbitration Association (ASA), ICC International Court of Arbitration, Union Internationale des Avocats (UIA), International Bar Association (IBA), Chartered Institute of Arbitrators, Court of Arbitration for Sport, UEFA, Dubai Sports Council, Irish Bar Council, Irish Law Society, Association Internationale des Jeunes Avocats (AIJA), Australian and New Zealand Sports Law Association (ANZSLA), Brazilian Academia Nacional de Direito Desportivo, Association Internationale des Avocats du Football (AIAF), International Council for Commercial Arbitration (ICCA), Japanese Sports Arbitration Agency (JSAA), Player Contracts Conference, International Association of Sports Law (IASL), Dublin Arbitration Forum, Arbitration Ireland, Abu Dhabi Sports Council and several others.

  1. Download CV