This websites uses cookies, by continuing to browse the site you are agreeing to our use of cookies. View our privacy policy.

Its the years of study, research and development of its people and processes that gives Mass Spec its industry leading expertise.

Mass Spec works intensively in key industries where it has extensive experience, insight, and relationships to deliver value for its customers.  

Our Expertise

Mass Spec's expertise comes from key members of the forensic scientific community

Richard Sleeman BSc (Hons), PhD, CSci, CChem, FRSC, MFSSoc: Scientific Director 

Dr Sleeman is one of the founders of Mass Spec Analytical Ltd. and currently holds the position of Scientific Director. Dr. Sleeman obtained his PhD from the University of Bristol. He is a member of the Academy of Experts, and has been a Law Society Checked Expert Witness since 1997. 

For most of his career he has specialised in the detection of trace quantities of drugs and explosives. He has published over thirty scientific papers and articles on trace detection. He has been closely involved in the development of the techniques and methodologies employed in the examination of drugs traces on paper currency, and has presented such work in Court on approaching one hundred occasions, including at the Court of Appeal on three occasions. Dr. Sleeman’s areas of expertise include trace drugs and explosives evidence, mass spectrometry (MS), ion mobility spectrometry (IMS), and blood alcohol calculations.

Lance Hiley: Managing Director

As Managing Director of Mass Spec, Lance Hiley is responsible for leading the company as it continues providing innovative forensic and ion source solutions that enable our customers to get the answers they need, quickly.

Lance has more than 30 years of experience in Sales, Marketing, Product Management and General Management. Most recently, he was Marketing Director for Mass Spec, where he focussed on productising the Mass Spec Thermal Extraction Ion Source (TEIS) as well as leading business development operations.

Lance is a career-long technology professional with experience at working with both private and publically-held technology companies. An electrical engineering technologist by training, he’s had product roadmap responsibility with precision engineering, telecoms device and infrastructure manufacturers. The businesses he has worked with have ranged from start-ups to large multinationals.

Lance’s experience and enthusiasm for new technology on a broad scale puts him in an ideal position to take Mass Spec’s new product and service  propositions to a global market quickly.



Peter Luke: Technical Director

Peter joined MSA in 2002 after an 18-year career as an electrical engineer. In his time at MSA, Peter has been involved in a number of key international projects involving MSA’s mobile mass spectrometer detection system, the Scentinel. 

The projects have involved Peter designing and developing core equipment and peripherals, and assisting and supporting the deployment of the equipment around the world. He is MSA’s designated field engineer and is responsible for working on the maintenance contracts MSA has with its Scentinel customers.

Peter has trained US airport workers, Police Officers in the UK, army personnel in Northern Ireland, and government officials in the UK and USA, to use the equipment in a variety of detection scenarios. Peter has extensive experience in the maintenance and use of Sciex API Triple Quadrupole mass spectrometers and the related operating software; the Analyst. 



Contact Mass Spec Analytical on +44(0)117 317 3600