HASANZ - Key Persons


Bronwyn Presland

Job Titles:
  • Executive Director
Driven and passionate, Bronwyn is strongly committed to achieving a healthier and safer working environment that reduces both physical and psychological harm. Motivated by doing social good, Bronwyn has a background in advocacy, public affairs and project management. She is skilled in leading high-performing teams to develop solutions and solve operational and technical problems.

Mia Troll

Job Titles:
  • Business Manager
With over 20 years‘ experience in office management, project management, event management, and customer service. Mia is a well-rounded professional with a passion for people and building relationships. She has played a vital role in growing and developing the HASANZ business over the past years. She is the first point of contact for the HASANZ Scholarship Programme and is involved with the ongoing operations of the business. Mia enjoys spending time with her family and friends, and likes getting creative with DIY projects. Mia's working days are Monday to Thursday (times vary).

Ruth Hefford

Job Titles:
  • Business Manager
Ruth Hefford is currently running the day to day operations in the HASANZ office and anything to do with the HASANZ Register. She has a very diverse background from working in different roles, ranging from customer service, office management, health and safety, administration, and information technology (IT). Ruth is very passionate about health, safety, and wellbeing - especially in the workplace, and has a Diploma in Occupational Health and Safety. Ruth has recently retired as a volunteer fire fighter for Fire and Emergency New Zealand with the Wainuiomata Bushfire Force where health and safety was at the forefront of every firefighters minds. Ruth's working days are Monday to Thursday (times vary)

Theresa Balke

Job Titles:
  • Project Manager