Serena Gates
Call: 2001
Call: 2001
Serena is an accomplished and highly skilled advocate with a thriving practice which includes Homicide, Serious Organised Crime, Terrorism, Fraud and Sexual Offences.
Serena has particular experience dealing with sensitive cases, including closed criminal proceedings. Many of the cases in which she has been instructed have also involved complex issues of disclosure in both terrorism and high-value fraud cases.
Serena has also advised on war crimes prosecutions and investigations, both in a domestic and international context and has a wealth of international experience which provides her with a depth of knowledge on which to draw when advising on matters relating to foreign jurisdictions. Serena was awarded the Halsbury Rule of Law Award in relation to her international work in 2019.
She has also been instructed in regulatory cases, primarily involving the intersection of regulatory and criminal offences such as dishonesty and sexual offences.
Serena is an approved Grade 4 CPS prosecutor across all of the specialist panels including terrorism, organised crime, rape and sexual offences. She also has particular experience dealing with vulnerable witnesses including those with autism and psychiatric and psychological conditions resulting from extensive trauma.
― Chambers UK (2025)She is on top of the detail, exercises good judgement and cross-examines very well.
― Chambers UK (2025)Serena presents her cases extremely well and has good judgement. She works under pressure effectively and efficiently.
― Chambers UK (2025)She is an outstanding barrister and fabulous on the law. She is an excellent advocate, respected by judges and colleagues.
― Legal 500 (2022)Serena has extraordinary intelligence and judgement. She is meticulous and fair in her dealings with disclosure. She inputted very effectively on legal issues. Her advocacy is exceptional and she is quite clearly on the road to silk. Her case management skills are exemplary, and even when there is a crisis during a trial can guide everyone through the problem.
― Legal 500 (2021)As well as an impressive forensic approach she also has an effective and persuasive style of advocacy. This combined with an entirely sensible and reasonable approach makes her an extremely effective advocate and a formidable prosecutor.
― Legal 500 (2020)She is clever, hardworking, and has excellent judgement. She also gets on well with clients, opponents, and judges.
Serena has been instructed in numerous homicide cases at the Central Criminal Court in single and multi-defendant homicides including gang ‘ride outs’ internal gang feuds and murders committed in the course of violent robberies. In addition, she has been instructed as a junior alone and leading junior to prosecute attempted murders including revenge attacks and domestic abuse cases. Serena has also prosecuted death by dangerous cases.
Featured cases:
Serena has experience of conducting terrorism cases, including those involving sensitive and complex legal issues of admissibility and disclosure including applications for closed proceedings and notification hearings. She has also undertaken extensive work for the FCDO and other HMG departments in relation to capacity building within the rule of law sphere of counter terrorism networks abroad.
Featured Cases:
Serena prosecutes and defends across a broad range of complex criminal cases, many of which have multi-jurisdictional aspects and/or sensitive disclosure aspects to them. She is well versed in dealing with vulnerable defendants and witnesses.
Featured Cases:
Serena is a grade 4 rape and sexual offences prosecutor and has prosecuted and defended in numerous rapes, many involving multiple complainants and including historic allegations and those involving very young children.
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Serena has represented soldiers of varying ranks accused of a variety of offences ranging from sexual assault to attempted murder. Her previous military experience gives her a strong advantage in understanding both the workings of the military and the client’s perspective during proceedings.
Featured Cases
Serena has been instructed frequently by the General Dental Council to appear in cases before the PCC and IOC. Serena is adept at getting to grips with complex expert reports and issues within a short time frame in order to cross-examine complex and novel issues.
She is familiar with the law and practice of regulatory tribunals and happy to accept instructions from professionals and regulatory bodies alike.
Serena worked for the United Nations Syrian Commission of Inquiry between 2016 and 2018. Her role included conducting field investigations into war crimes and human rights violations committed by all parties to the conflict. She was responsible for compiling and analysing evidence and producing the first report of the Commission focusing on the use of sexual and gender based violence in the conflict, entitled I lost my Dignity: Sexual and Gender Based Violence in the Syrian Arab Republic.
Serena has frequently been instructed to appear in the Court of Appeal by the CPS Appeals Unit and on behalf of His Majesty’s Attorney General in respect of Unduly Lenient Sentences, the latter during her appointment as a Treasury Counsel Monitoree.
Serena has advised in Judicial Review proceedings including cases involving the successful challenge of a refusal to implement a parole board recommendation for a prisoner serving a life sentence and cases relating to the re-categorisation of serving prisoners. Whilst working for the then Foreign and Commonwealth Office as a Senior criminal justice advisor in Afghanistan, Serena was also involved, from an HMG perspective, in judicial reviews brought against the UK Government challenging the transfer of UK captured prisoners to Afghan custody.
Serena’s wider experience working for UK Government departments and in foreign jurisdictions gives her a competitive edge when it comes to understanding the policy and practical workings of public bodies.
Featured cases:
R v G (2024)- Instructed by CPS Appeals Unit to respond and represent the Crown in an appeal against sentence before the full court where fresh psychological evidence was before the Court in respect of a former soldier with PTSD who had been convicted of sexually abusing his daughters. The appeal was successfully resisted.
AG’s Ref (2024)- Instructed to apply for leave to refer a 10 year sentence passed for offences of rape as unduly lenient. The case featured a vulnerable victim, an abuse of trust and multiple incidents of abuse over a two month period.
AG’s Ref (2023)- Instructed to apply for leave to refer a sentence of 4 years and 6 months passed for offences of robbery and attempted robbery as unduly lenient. The case involved a young adult offender and street robberies committed against two sets of victims.
AG’s Ref (2022)- Instructed to apply for leave to refer a 22 month sentence passed for offences of child cruelty on an offender with a learning disability as unduly lenient.
Serena has extensive UK and international advisory experience, particularly in a conflict or post-conflict context relating to terrorism, crimes against humanity, war crimes and human rights abuses including sexual and gender based violence. Serena has provided pre charge advice to the CPS in relation to the prosecution of war crimes in the UK under the International Criminal Court Act 2001 and to authorities abroad under comparable legislation.
Serena is a member of the Justice Rapid Response/UN Women roster of experts for investigating crimes against humanity, war crimes and human rights abuses with a focus on sexual and gender-based violence. She has advised Ugandan prosecutors on the preparation and prosecution of historic war crimes before a specialist domestic tribunal, conducted in parallel to proceedings at the International Criminal Court.
In 2020 and again in 2024, Serena was deployed as an investigator by Justice Rapid Response in relation to allegations of genocide that form the basis of the International Court of Justice Case between the Gambia and Myanmar.
Between 2016 and 2018, Serena worked for the United Nations Syrian Commission of Inquiry. Her role included conducting field investigations into war crimes and human rights violations committed by all parties to the conflict, including ISIS. She was responsible for compiling and analysing evidence and producing the first report of the Commission focusing on the use of sexual and gender based violence in the conflict, entitled I lost my Dignity: Sexual and Gender Based Violence in the Syrian Arab Republic. (See link to Serena chairing UN launch: [FACEBOOK])
Serena is also a Senior Civilian Expert for the UK Office of Conflict, Stabilisation and Mediation, a cross HMG unit based in the UK Foreign, Commonwealth and Development Office, but conducting work for a range of Government departments including the NCA and HO. In this role she has frequently provided advice and technical expertise in developing and assessing security and justice capacity building programmes around the world.
She has also undertaken projects on behalf of the Home Office to assess the threat to UK interests from Serious and Organised Crime and UK policy responses to the same relating to different regions around the world including South Asia and the Caribbean.
Serena has been asked to present on sexual and gender based violence at UN events in New York [Press Report] and at other international events such as the End SGBV Oslo event in May 2019.
Serena is a member of the International Advisory Committee for the NGO, Legal Action Worldwide (LAW). (See web link to their work here). Her work on behalf of LAW has included training senior prosecutors in Sri Lanka in the prosecution of sexual violence under domestic and international criminal law.
This builds on other training and mentoring experience Serena has gained over the years including training Supreme Court Justice in Nigeria in the prosecution of terrorism cases and mentoring of the Afghan judiciary and terrorism prosecutors in Helmand Province on behalf of the UK FCO.