HASANZ Independent Chair

Mike O'Brien
+64 27 450 8465

Mike  has over 20 years of experience as a business leader. He has held executive positions in manufacturing, consumer electronics, technology and supply chain companies in New Zealand and overseas, along with various governance positions. Most recently, Mike spent five years as head of CHEP New Zealand, a subsidiary of Brambles, a global supplier of supply chain solutions. He holds an MBA from Auckland University. Mike is actively committed to improving the health and safety of New Zealand workplaces. He is on the steering group of the Business Leaders’ Health and Safety Forum and has twice been a finalist in the leadership category of the New Zealand Workplace Health and Safety Awards. Mike is a member of the NZ Institute of Directors, He is President of youth development charity CISV NZ.

Executive Director

Bronwyn Presland
+64 21 185 5765

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.

Business Manager

Ruth Hefford
+64 27 201 1759

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)

Project Manager

Theresa Balke
+64 27 229 9994

Originally from Germany, Theresa has spent many years living and working in different parts of the world. Theresa has worked in the tourism industry for most of her career and has an extensive background in customer service, sales, and corporate travel/event management. She is an excellent communicator with strong analytical skills and great attention to detail.
Theresa loves music and enjoys outdoors activities together with her family and friends.

Theresa’s working days are Monday, Tuesday, Wednesday and Friday.

Project Manager

Carolina Henriquez

Carolina is very passionate about making a difference by helping organisations to increase the general wellbeing of people by reducing harm and risks. By working in frontline and senior roles in the NGO and public sector over 15 years, she has developed skills in project and programme management, advocacy and adult education at national and regional levels.  

Carolina enjoys being in contact with the nature, learning from new cultures and building connections with people. 

Carolina's working days are Monday to Wednesday.

Business Manager

Mia Hradský

Mia Hradský is currently on maternity leave until September 2023.