William Hansen, Thomas O'Donohoe and Gemma Ralph appointments to the Attorney General's London Panel

1st September 2025

3PB Barristers (3 Paper Buildings) is delighted to announce that William HansenWilliam HansenCall: 1992, Thomas O'DonohoeThomas O'DonohoeCall: 2007 and Gemma RalphGemma RalphCall: 2016 have been appointed to the Attorney General’s London Panel for a period of five years, commencing today Monday 1st September 2025. William has been re-appointed to the London A Panel, Tom has been promoted to the London B Panel and Gemma has been appointed to the London C Panel.

William HansenWilliam HansenCall: 1992 regularly acts for a variety of government departments and agencies. William routinely appears in the Administrative Court acting for the Crown, particularly in the field of immigration, where he has a particular interest in Article 8 ECHR, PBS claims, Dublin Regulation claims, asylum, human trafficking and unlawful detention. A judicial review expert, William is also an authority in  human rights laws and has been on the London A Panel since September 2017.

Thomas O'DonohoeThomas O'DonohoeCall: 2007 is a civil law barrister who specialises in public inquiries, civil litigation involving government parties and other areas of public law as an advocate and also has a busy advisory practice. Before this promotion, Tom had been on the London C Panel since August 2020.

Gemma RalphGemma RalphCall: 2016 is a civil law barrister with a background in public policy, international relations and public international law. Gemma accepts instructions in a broad range of civil matters and has recently advised GLD in several Afghan Resettlement claims.

The Attorney General’s Panels consists of counsel who undertake civil and EU work for all government departments and is administered by the Government Legal Department (GLD). 3PB now has ten barristers on the Attorney General's Civil Law panels, namely:

London A Panel: William HansenWilliam HansenCall: 1992, Richard WheelerRichard WheelerCall: 2004, Mark GreenMark GreenCall: 2006
London B Panel: Caroline StoneCaroline StoneCall: 2005, Thomas O'DonohoeThomas O'DonohoeCall: 2007
London C Panel: Naomi WebberNaomi WebberCall: 2017, Gemma RalphGemma RalphCall: 2016
Regional Panel B: Simon TibbittsSimon TibbittsCall: 2006, Paul JosephPaul JosephCall: 2005
Regional Panel C: David KemenyDavid KemenyCall: 2016

3PB's Mathew Gullick KCMathew Gullick KCCall: 2003Silk: 2021, a former A Panel member before taking silk, said: “This is great news for William, Thomas and Gemma. Their appointments to the AG Panels further strengthen 3PB’s established position as a leading public law chambers and a provider of counsel to government bodies at all levels of seniority."

If you wish to instruct William or Thomas, or see about their availability, please contact their clerk Gemma Faulkner by emailing [email protected] or calling her on o20 7583 8055. If you wish to instruct Gemma, or see about her availability, please contact her clerk Abi Griffin by emailing [email protected] or calling her on 01202 292102.