Meet the Team
Jane Gravestock
Director and H&S Consultant and Trainer
Jane Gravestock is an experienced Health & Safety leader and trusted consultant, known for delivering practical, people focused outcomes. As Director of WSAS Limited, she provides strategic oversight and hands on guidance, aligning health and safety solutions with organisational objectives and operational reality. Jane’s collaborative approach builds trust, strengthens capability, and enables sustainable change across organisations.
Jane’s expertise is underpinned by extensive formal qualifications in workplace health and safety and adult education, combined with broad operational and
organisational experience. She brings strong commercial insight, technical credibility,
and proven relationship management skills to support safer, healthier, and more
engaged workplaces.
“Jane was simply amazing, made H&S Training enjoyable. I am more confident after the training”
Karen Macdonald
H&S Consultant
Karen Macdonald is a knowledgeable and detail driven Health & Safety consultant with practical, hands on experience across the electrical sector, logistics, retail, and SME environments. She brings a strong operational mindset and a genuine worker centered perspective, helping organisations implement health and safety solutions that are realistic, effective, and embedded into everyday work.
With experience supporting both corporate and small to medium enterprises, Karen holds a Level 6 Diploma in Occupational Health and Safety, maintains NZISM Graduate status, and is HASANZ registered. She is trained in ICAM incident investigation, management systems auditing, and traffic management (TC1), and has supported organisations through ACC Accredited Employer Programme initiatives and mental health at work programmes.
Liam Denton
H&S Consultant and Trainer.
Liam Denton is an experienced Health & Safety Consultant and Trainer, bringing strong technical knowledge and practical business insight to his work. With consulting experience across a range of sectors—including healthcare, logistics, and engineering—Liam understands the operational realities organisations face and tailors his approach accordingly.
A skilled communicator and engaging presenter, Liam leads WSAS training delivery and is highly effective at working with people at all levels of an organisation. His clear, relatable style supports confident learning, encourages participation, and helps translate health and safety requirements into practical, workable outcomes.
Since
Organisations
Helped Over
Audits per year
Since 2014, the Work Safe Advisory Services team have been working hard to provide meaningful and practical Health and Safety support to our clients. Along the way, we have delivered approximately ten Health and Safety courses per month for over five years. We have conducted more than 40 Health and Safety Audits per year and have helped over 600 organisations implement a Health and Safety System. We aim to provide outstanding support to our clients, create light-bulb moments for everyone who attends our training courses and help businesses identify gaps in their systems. Our goal is that our clients and their workers go home safe and healthy every day.
