Our People

Meet the team


Nigel Heaton

Nigel is a founding Director of Human Applications.  He provides training and consultancy worldwide, advising organisations on designing and implementing risk management systems for business risk and health & safety risk.  He acts as an expert witness in civil and criminal cases, offering advice on the interpretation of health & safety law.

Jim McKenzie

Jim is a founding Director of Human Applications and leads the Usability team. He has over 30 years of experience in applying human factors principles to the design of software products for complex IT environments. Jim has trusted relationships with major clients, providing a range of consultancy services covering prototyping, user research and new design projects.

Matthew Trigg

Matthew is a Director of Human Applications. For the past 25 years, Matthew has worked to share ergonomics ideas with safety professionals. He believes that simple ergonomics interventions make work better. Matthew has co-authored and presented elements of IOSH’s professional development programme since 1995.


Barbro Arnes

Barbro became part of the Human Applications team after completing her postgraduate degree in Human Factors Engineering, and has a background in Human Computer Interaction. She has a particular interest in cognitive ergonomics and personality psychology.

Melissa Harris

Melissa is an experienced Health & Safety Consultant/Trainer for Human Applications.  She provides organisations a wide range of H&S training and support with their H&S risk management needs.  Her previous experiences in high-risk industries allow her to better understand the unique challenges her clients may face.

Edith Ikedi

Edith is an experienced Health & Safety Consultant with Human Applications. She specialises in training and consultancy in health & safety risk assessment; risk management; accident investigation; COSHH; safety inspections; and audits. Edith has worked for public and private sectors within the UK and abroad, covering Health, Distribution, Retail and Construction industries.

Stuart Jackson

Stuart has been with Human Applications for nearly 20 years as an experienced safety risk management consultant and trainer. Stuart spends time embedded in large organisations working as the Strategic Lead for Health & Safety; undertakes gap analyses; and provides safety risk management training.  His previous experience in safety enforcement provides an ideal foundation and insight for his current work.

Chris Jelfs

Chris joined the Human Applications Usability team following the completion of his postgraduate studies in Human Computer Interaction.  He has worked on a range of projects providing UCD design and prototyping inputs for software design projects and has experience of eliciting user response as a means of prioritizing usability enhancements.

Duncan Langford

Duncan is a Health and Safety Consultant and trainer. Prior to joining HA Duncan worked in the Higher Eduction sector as a Safety Officer, specialising in Risk Management, Accident Investigation, Manual Handling, Display Screen Equipment and training.

Orla O’Reilly

Orla is an Ergonomist specialising in the prevention of musculoskeletal injuries in both office and industrial settings.  Orla is a lead trainer on many manual-handling projects, DSE and Personal Safety for major clients.

Claire Philp

Claire is an Organizational Psychologist who focuses on health and safety. Drawing upon her previous training in psychology her particular focus is on projects with a behavioural aspect.  She is able to offer a psychological perspective on safety compliance, behaviours and interventions.  Claire also trains in organisational culture, behavioural safety and behaviour change techniques.

Joshua Watson

Joshua is an Environmental Health specialist with a background in occupational health and safety. He has experience creating and providing various levels of health and safety training to the agricultural, distribution and manufacturing sectors. This range of training has proved useful at changing the core cultural approach to health and safety within businesses for the better.

Rebecca Woolman

Becky joined Human Applications after working as an Occupational Therapy Assistant in neurological rehabilitation. She gained her undergraduate degree in Health Studies, with a particular interest in health and wellbeing on a sociological perspective.

Support Team

Joanne Higgins

As the Support Team manager Joanne has developed a proactive and supportive administrative team. A key part of her role is Quality – maintaining our ISO 9001 certification and ensuring that we understand how to deliver quality for our customers. She works closely with directors and consultants, and is instrumental in driving forward Human Application’s core values.

Debi Dobbs

Debi is the accounts assistant, she manages the accounts payable function of the company, supports the finance manager with activities relating to company finances and provides general support to other support staff.

Mandy Roulstone

Mandy has worked for HA as Finance Manager since 2011. She works closely with the directors to oversee the company finance. She is dedicated to maintaining our ISO 9001 certification and works closely with Joanne to deliver quality for our clients. Mandy also assists in answering enquiries for the team in busy periods.

Beth Tighe

Beth is our Project Coordinator. She oversees all aspects of organising and coordinating one of our largest clients along with others. Her role is to liaise with and maintain the relationship with client contacts, perform all required administrative tasks and extract current and historic data for reporting. She also ensures our trainers and consultants are equipped with the support they require on a day-to-day basis. Plus, Beth works closely with one of our directors providing specific and bespoke support as and when required.