“Times lawyer of the week 2012”

Details of practice

Siza is said to be one of the most the talented criminal practitioners at the Bar. He has been instructed as leading junior counsel in an array long multi-handed trials for over 10 years and therefore brings with him a vast amount of experience dealing with the most complex cases. Siza is said by those who instruct him to be “fearless”, “an astute tactician”, “very client friendly”, “leaves no page unturned”, “relentless work ethic” and a “commanding judgement and presence in court”.

Siza has been involved in extensive advisory work that includes a group of ex-premiership players who had been victims of an extensive “Ponzi fraud” and an English businessman in Dubai on talking a private prosecution against his wife and daughter.

Siza also advises extensively on sporting matters in football and athletics. He has been registered as an agent/intermediary at the Football Association and an IAAF Athlete Representative for over 10 years. He has represented premier players/clubs and high profile international athletes. He has advised and appeared in disciplinary, selection and dispute resolution tribunals in a number of sports from MMA to Ice skating and has been quoted extensively in the media on many sporting matters. Siza was lawyer of the week in The Times for his work with Dwain Chambers.

Current and recent cases

Operation Cranfleld
Multi-handed conspiracy to import and supply of cocaine brought in speciality adapted hides in a Robinson Helicopter at Southwark Crown Court.

Operation Globemaster
Multi-handed conspiracy to manufacture and supply of counterfeit passports at Inner London Crown Court.

Operation Chapman
Multi-handed conspiracy to supply machine guns at Harrow Crown Court.

Operation Varangi
Multi-handed at Blackfriars Crown. High profile case involving extensive importation of Class A drugs in the roof of a Bentley.

R v M
Represented the principal defendant in a multi handed international people trafficking case involving extensive surveillance and audio probe material.

Operation Zurna
Multi-handed conspiracy to manufacture and supply credit cards at Inner London Crown Court.

Operation Pearlwart
Conspiracy to supply class A drugs. Case involved extensive surveillance operation with defendant having 52 mobile phones over a period of 18 months at Snaresbrook Crown Court.

Operation Tallassee/Wheeler
Multi-handed conspiracy to supply class A drugs and money laundering at the Central Criminal Court.

Operation Kernow
Multi-handed drugs conspiracy at the Kingston Crown Court.

Operation Mudde
Multi-handed conspiracy to supply class A drugs at Kingston Crown Court.

R v K
Multi-handed conspiracy to rob at the Central Criminal Court – planned robberies involving firearms.

B Oil
Multi-handed Trading Standards prosecution at Blackfriars Crown Court.

R v K
Multi-handed Diversion fraud and money laundering at the Leicester Crown Court.

E Group
Multi-handed Trading Standards Prosecution at Birmingham Crown Court.

R v P
Multi-handed international cannabis importation.

Reported cases

R v Mary Druhan
Miscarriage of Justice Case
Reference to the Court of Appeal by the CCRC.

R v Randel
[2004] 1 All ER 467
The test for bad character material being adduced by a co-defendant in a cut-throat defences.

R v Hayes
[2002] All ER (D) 06 (Aug)
Reference from CCRC on the scope of intention in murder and recklessness.




Education/professional qualifications

Post graduate certificate in sports law


Member of the British Association of Sports and Law