Expert witness

Salus populi suprema lex esto (Latin "Let the safety of the people be the highest law") Marcus Tullius Cicero

Education and professional organisations

  • BSc in Physical Sciences (majoring in Physics)
  • PhD (Crowd Dynamics) Interdisciplinary Mathematics from Warwick University
  • Fellow of the Institute of Mathematics and its applications. (FIMA)  
  • Visiting Professor of Crowd Science - Bucks New University (2010 - 2016)
  • Regular Visiting Speaker at Easingwold (the UK Cabinet Office Emergency Planning College 1999 - 2014) 
  • Member of Mensa for over 30 years
  • Fellow of the Institute of Civil Protection and Emergency Management (FICPEM)
  • Specialist Fellow of the International Institute of Risk and Safety Management (SFIIRSM)
  • Professor of Crowd Science - Manchester Metropolitan University (MMU)
  • Member of the Expert Witness Institute (MEWI)
  • Fellow of the Institute of Place Management (FIPM)
  • Visiting Professor of Crowd Management at the University of Suffolk
  • Fellow of the Higher Education Academy (FHEA)

Training and courses

  • Developed and delivered modules for the UK Cabinet Office Emergency Planning College training programs for Crowd Risk Analysis, Crowd Management, Crowd Dynamics, Crowd Science and the crowd elements of Public Safety at Sports Grounds, Public Safety at Festivals and Mass Gatherings and Public Safety in the Complex and Built Environment.
  • Developed and teaches modules for a Foundation Degree course, a BA (Honours) degree course at Bucks New University
  • Author of “Introduction to Crowd Science” crowd safety in the built and complex environment.
  • Developed and teaches a wide range of crowd safety and risk analysis short courses, taught around the world.
  • Developed the MSc in Crowd Safety and Risk Analysis at Manchester Metropolitan University


  • Three decades developing and teaching the principles of crowd science. Crowd Risk Analysis and Safety Engineering, crowd modelling, monitoring and managing crowds, advising on events, experience event safety office. I have consulted, at a Govt. level around the world (UK, Saudi Arabia, Holland, Singapore, Australia, Hong Kong, USA). For full list - click here.
  • Mega-Projects include the Annual Pilgrimage to Makkah (3,000,000 people per day), Jamarat Bridge, the design criteria for the Holy Mosque (Makkah Saudi Arabia), Royal Wedding and Diamond Jubilee (1,000,000 people), London New Year Events (750,000 people), Sydney Olympics (500,000 per day), Brighton Pride (200,000 people), Aberdeen Hogmany (24,000 people) and the local fireworks and sports events for our village (500 people). 

Expert witness experience

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  • (D) London, UK. Night club, overcrowding, report and court attendance
  • (P) London Underground, UK. Overcrowding, personal Injury, report and analysis
  • (E) Senate House Committee, USA. Capitol building evacuation, report and testimony
  • (P) New York State USA. Personal injury, report and analysis, court testimony
  • (D) Nottingham, UK. Crowd crush, fatalities, report and analysis
  • (P, J) Birmingham, UK. Crowd crush, personal injury, report and analysis
  • (E) Hillsborough Inquiry, UK. Mass fatalities, technical advisor, report and analysis
  • (P) Duisburg, Germany. Crowd crush, mass fatalities, report and analysis
  • (P) London, UK. Crowd crush, personal injury, report and analysis
  • (P) Chicago, USA. Crowd crush, personal injury, report and analysis, deposition
  • (P) Las Vegas, USA. Crowd incident, personal injury, report and analysis, deposition (16 cases)
  • (D) Memphis, USA. Crowded spaces, personal injury, report and analysis
  • (P) Scotland, UK. Crowd control, personal injury, report and analysis
  • (E) Durham, UK. Night club, fatality, report and analysis
  • (P, J) Victoria, Australia. Crowd crush, personal injury, report and analysis
  • (E) Florida, USA, Personal Injury
  • (E) NI, UK, Fatalities

(D)efence, (P)rosecution, (E)xpert advisor, (J)oint expert report

Legal - letters of reference - click to download a zipped file

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