Our Board

Drug Free Sport NZ is overseen by a board of up to five members who are appointed by the Governor General of New Zealand on recommendation by the Minister for Sport and Recreation.

Our current board members are:

Hon. Justice J Warwick Gendall CNZM- Chair
Justice Warwick Gendall is a High Court Judge and Chair of the New Zealand Parole Board. He has a long association with football, spanning more than 50 years. He represented Hutt Valley and Wellington in football at senior level.

Justice Gendall is a life member of the New Zealand Football Association (NZFA) and coached and refereed junior football for many years. He continues to be involved with many sporting and charitable organisations.

Tim Castle - Board Member
Tim is a Wellington barrister admitted in 1973 and commenced practice as a barrister sole in 1989. He has also been admitted as a barrister in Victoria, New South Wales and Fiji. Tim's practice includes complex civil and criminal litigation, sports law and Maori and indigenous peoples' rights. He is experienced in alternative dispute resolution and mediation.

Tim is a member of the Court of Arbitration for Sport in Lausanne since 1991 (the first person from Oceania to be appointed) and a member of the Waitangi Tribunal since 2008. He is also a former First Vice President, chair and board member of the NZ Olympic Committee and  former member of the Executive Board of the NZ Sports Foundation. Tim  is currently Chairman of the Pacific Games Sports Disputes Tribunal

John Mayhew - Board Member
John is an experienced Sports Medicine and Occupational Medicine Doctor. He works for an insurance company as their Clinical Director and also as a Sports Doctor and Occupational Medicine Practitioner on the North Shore of Auckland. He has post-graduate qualifications in Sports Medicine and Occupational Medicine. He is also a Fellow of the Royal College of General Practitioners and has a Diploma in Obstetrics.

John was team doctor to the All Blacks for 15 years; his involvement spanned 5 coaches, 131 test matches and over 200 games.  He is now the team doctor for the NZ Warriors NRL team.

Stephen Cottrell - Board Member
Stephen Cottrell was appointed to the board in 2011.  He is a former General Counsel for the New Zealand Rugby Union (NZRU) and continues to provide strategic advice to the NZRU.  He has a Masters Degree in Law and Criminology from Cambridge University and heads the sports law practice at law firm, Minter Ellison Rudd Watts.

Stephen is a former Wellington and Otago rugby representative and was also captain of the Cambridge University Rugby team.  Stephen is a trustee of Project Litefoot, a charitable trust seeking to inspire action for a more sustainable New Zealand.

Sarah Ulmer - Board Member
Sarah is an Olympic gold medallist (2004) and former world record holder in cycling's individual pursuit event and was appointed to the board in 2011. She has many other international titles to her credit and retired in 2007. Sarah has been a long-time advocate for clean sport.

Sarah participated in a number of Drug Free Sport NZ programmes during her time as an athlete and has served on the WADA Athletes’ Committee as well as the New Zealand Olympics Committee Athletes’ Commission. Sarah was awarded the NZ Order of Merit in 2005. She has two young girls and lives in Cambridge.