ABOUT
US
Founded in 1998 by Bruce Mazengarb, Vertical Horizonz began with a mission to improve the safety of working at heights for New Zealanders. Twenty-six years later, that commitment to enhancing the safety and skills of New Zealand’s workforce is as strong as ever. At VHNZ, we are dedicated to delivering world-class safety training that is engaging, practical, and learner-centred, with the success of our learners at the core of everything we do.
With a team of over 150 staff and 120 highly experienced trainers, we offer more than 150 courses across 14 training centres nationwide. Our extensive industry knowledge ensures learners receive hands-on, practical training grounded in real-world experience.
Recognised by NZQA as a Category 1 provider (the highest rating) since 2013, we have consistently demonstrated excellence through three External Evaluations and Reviews (EERs), where NZQA expressed high confidence in both our educational performance and self-assessment.
As a proudly 100% New Zealand-owned and operated company, our purpose is to empower individuals, organisations, and industries to reach their full potential. We achieve this through providing real training that saves and changes lives.
OUR VALUES
KO Ā MĀTOU NEI MĀTĀPONO
At Vertical Horizonz, our values serve as the foundation upon which we build our identity, guide our decisions, and shape our interactions.
INTEGRITY
NGĀKAU PONO
INTEGRITY
We act with integrity in everything we do.
Upholding honesty and ethical principles in every action, we foster trust and transparency within Vertical Horizonz and beyond.
Ko te ngākau pono ka noho mātaamua i roto i ā mātou mahi katoa.
Ka whakatairanga i te ngākau pono me ngā mātāpono, ngā tikanga e hāngai ana i roto i ngā kawenga katoa, ka whāngai mātou i te tiakitanga me te māramatanga i roto, i waho anō hoki i a Poutū Huapae.
EMPOWER
WHAKAMANA
EMPOWER
We empower with knowledge and skills.
Empowering individuals and teams with real skills and real knowledge, we ignite potential and instill confidence and competence.
Ka whakamana ki te mātauranga me ngā pūkenga.
Ka whakamana i ngā tāngata me ngā roopū ki ngā tino pūkenga me te mātauranga, ka whakatupu i te pitomata, ka whakatō hoki i te māiatanga me te matatautanga.
RESPECT
WHAKAUTE
RESPECT
We show respect to others in all our interactions (we respect the whole person).
Encouraging an environment of mutual respect and understanding, we celebrate the diversity of experiences and backgrounds that enrich our lives. Every voice is heard and valued.
Ka tuku i te whakaute ki ngā tāngata katoa i roto i ā mātou mahi katoa, ka whakaute i te katoa o te tangata.
Ka āki i te taiao taupuhipuhi o te whakaute me te māramatanga, ka whakamana i te kanorau o ngā wheakoranga me ngā horopaki rerekē e whakahaumako ai i te oranga. Ka rangona, ka kaingākaunuitia ngā reo katoa.
LEADERSHIP
HAUTŪTANGA
LEADERSHIP
We are industry leaders
Setting a standard of excellence through expertise, and a proactive approach. We lead by example to inspire others and drive positive change.
He hautū ahumahi mātou.
Ka whakatakoto i te taumata o te kairangi mā te ringa rehe, mā te urupū anō hoki. Ka whakaihopumanawa kia whakaohooho i te tangata, kia āki hoki i te panonitanga whai hua.
COLLABORATION
MAHITAHI
COLLABORATION
We work together to achieve our goals
Embracing each other’s strengths and individual abilities, we weave together a collective success that can only be achieved through united effort and teamwork.
Ka mahi tahi mātou e tutuki ai a mātou whāinga.
Ka tauawhi i ngā whirikoka me ngā pūkenga o te tangata, ka tuitui i ngā ekenga i te kotahitanga me te whītiki taua mā te mahi tahi.
IMPORTANT
INFORMATION
MEET OUR
TEAM
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BOARD MEMBERS
Bruce Mazengarb
BRUCE MAZENGARB
Bruce is the Founder, Owner and Chairman of VHNZ and the wider Vertical Horizonz Group. He started the business in 1998, establishing Vertical Horizonz as a Private Training Establishment (PTE) specialising in training people to work safely at heights.
Prior to starting Vertical Horizonz, Bruce spent 20 years in the New Zealand Army and Special Air Service (SAS) as a Solider, Sergeant and Trainer. His experience in high-risk situations helped provide the foundations for Vertical Horizonz as a PTE.
Bruce remains at the helm of Vertical Horizonz, hiring the best people to work with him to expand the company and continue to provide exceptional training services both nationally and internationally. Bruce has ensured the VHNZ values of Respect, Leadership, Empowerment, and Integrity have been instilled throughout the organisation from day one.
Thecla Johnstone
THECLA JOHNSTONE
Thecla is a Director of Vertical Horizonz New Zealand and also Director of Thecla Johnstone & Associates Ltd, Chartered Accountants. She has worked in accountancy for over 35 years, and had her own accountancy practice since 2003.
Thecla brings a wealth of knowledge of business and tax matters to the company which help ensure a strong future.
Carl McOnie
CARL MCONIE
Carl became a VHNZ Director in 2018 after six years as the VHNZ CEO. His leadership and vision for the company saw the VHNZ team empower revolutionary change for industry, business, and individuals by providing exceptional safety training experiences. He continues to guide VHNZ at an advisory level.
Carl has been the CEO of NZ Land Search and Rescue as well as Director for Mountain Safety Council – NZ and AAWLtd and is currently the CEO of Coastguard New Zealand.
Phil Hokianga
PHIL HOKIANGA
Phil is a VHNZ Owner and Director. He has been with VHNZ since 2008 in various roles including Trainer, General Manager of Training Quality and most recently Kaiwhakahaere/Director of our Māori Pasifika Roopu O Poutū Huapae.
Phil was instrumental in the creation of our Māori Pasifika Roopu O Poutū Huapae. The Māori Pasifika Roopu was created to provide a service that could effectively advance and train Māori and Pacific people in a more culturally appropriate way.
After helping develop and create many aspects of the Māori Pasifika Roopu training programmes, Phil now dedicates his time to working closely with Iwi and Hapū to help them achieve their aspirations through the education and training of their people.
Before VHNZ, Phil spent 23 years with the New Zealand Defence Force. His experience and knowledge of safety within high-risk environments have helped to shape many VHNZ courses.
Enthusiastically involved in the community, Phil currently sits on the following boards:
- Director – Poutū Huapae/Vertical Horizonz
- Co-Chair Māori – ConCOVE
- Director – Toitū Tairāwhiti Housing Limited
- Trustee – Rongowhakaata Iwi Trust
Conrad McDonell
CONRAD MCDONELL
Conrad is a VHNZ Director and Strategic Advisory Board member for the Vertical Horizonz Group, having been involved with the company in various capacities since 2008.
Conrad holds qualifications in business, ICT, automotive engineering and more recently in organic horticulture. He founded his management consulting firm (McDonnell Consulting Group) in 2000 and is proud to have contributed to many digital transformations, business initiatives and start-ups over the years. His business also provides tailored software solutions and sells plug-in software modules online, at last count to over 30 countries.
This experience and his guidance are instrumental at an advisory level for the VHNZ team.
Karen Rolleston
KAREN ROLLESTON
Karen Rolleston is a future-focused and commercially astute leader with over two decades of experience in C-suite and governance roles. Her board portfolio spans sectors including technology, education, and family harm, with experience across privately owned businesses, Crown entities, not-for-profits, and advisory boards. She also leads as a syndicate chair with the CEO Institute. Her executive background includes multiple CEO roles in technology companies and founding her own ventures. A Chartered Member of the Institute of Directors, Karen provides AI training to boards and was the subject matter expert behind the Institute’s AI for Directors course. Her work supports directors in building the confidence and capability needed to govern emerging technologies effectively.
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SENIOR MANAGEMENT
Ben Johnstone
BEN JOHNSTONE
Ben is the VHNZ CEO, providing the supportive and effective leadership required for VHNZ to grow and innovate.
He joined Vertical Horizonz in 2012 as the Sales and Marketing Manager and Management Accountant before becoming the Chief Operations Officer in 2016. In 2018, Ben was appointed as Chief Executive.
Ben has completed a conjoint degree in Science and Commerce, majoring in Physics and Accounting and an MBA through Waikato University. Prior to joining VHNZ, Ben worked in a accounting and operations management for a mining and construction rock drilling company.
Marcus Bathan
MARCUS BATHAN
Marcus is the Chief Operations Officer for VHNZ, where he is responsible for managing the planning, development, and implementation of the VHNZ sales and training strategy. He and his team are focused on improving industry skills, productivity, and safety practices across the whole of New Zealand.
Marcus has worked for VHNZ since 2010 in roles including industrial trainer and regional manager. This experience, coupled with his in-depth knowledge of the business, helps him to effectively manage the training, training support and quality of training delivery for VHNZ clients.
Prior to VHNZ, Marcus spent 7 years in the British Army.
Rozanna Waiari
ROZANNA WAIARI
Rozanna is the Head of Business Services, responsible for overseeing all administrative functions in VH Business Services. A major part of this role involves leading and directing employees within the Accounts and HR/Admin teams. She is a qualified Accountant with 20+ years experience in the Chartered Accounting environment.
As a member of the VHNZ Senior Leadership Team, Rozanna is involved in the formation and execution of business strategy and planning, as well as implementing systems to support continued strong financial and operational outcomes for VHNZ. Her strong communication skills make her a motivating and supportive manager.
Evelyn Moody
EVELYN MOODY
Evelyn is the VHNZ Chief Academic Officer. She and her team assure the academic processes for the business, ensuring VHNZ is compliant with all accreditations and qualifications including NZQA and ISO. They also manage the Quality Management System, quality assurance processes and assure the quality of teaching and learning for VHNZ.
With almost 20 years’ experience in educational design and quality assurance in the Vocational Education and Training sector in New Zealand, Evelyn has a solid understanding of current policy settings, key players, and their interdependencies, across both school and tertiary environments and the pathways to being successful within industry.
Evelyn has extensive qualifications in the areas of education and the public sector, including a Bachelor of Education, Short Course Certificate in Advanced Public Section Knowledge, National Certificate in Public Centre Knowledge and Certificate in Mauri Ora to name just a few.
Andrew Sykes
ANDREW SYKES
Andrew Sykes, who has been with VHNZ since 2012, is the Head of Delivery. His role is to provide guidance, direction, and support to each region, ensuring all members understand their contribution to VHNZ clients and how best to deliver real training that saves lives.
In December 2022, he became Head of Stakeholder Engagement after being the Upper North Island Regional Manager for several years. He was responsible for all operational tasks within the Auckland and Northland regions. His effective leadership skills ensured his team successfully engaged with our clients to ensure their safety and training needs were being met.
Andrew’s background is in emergency services where he served with the Fire Service in the UK for 16 years. There he developed his skills to improve and ensure the safety of his crew members along with the wider community which served him well when he joined the Waitemata District Health Board’s Emergency Management team upon his arrival in NZ.
Upon emigration to New Zealand, Andrew worked for the Waitemata District Health Board in the Emergency Management team.
Andrew first joined VHNZ as a heights and confined space trainer, his expertise in these areas help VHNZ to develop premium training courses.
Glen Walker
GLEN WALKER
Glen Walker, who has been with VHNZ for 6 years, is now the Head of Stakeholder Engagement. His role centres on customer success, ensuring that every interaction throughout the customer journey is engaging, efficient, and effective.
Glen was appointed as the Head of Delivery in 2023. His role was to provide guidance, direction, and support to each region, ensuring all members understood their contribution to VHNZ clients and how best to deliver exceptional training solutions.
His previous role within VHNZ was the Regional Manager of the Lower North Island. Glen has a strong background in operational management. Prior to joining VHNZ he was a key member of the New Zealand Diving and Salvage Senior Management team where he provided guidance, direction and support to all operational and maintenance teams to ensure service delivery expectations for clients were exceeded.
Glen has a passion for people and excellence, always working hard to ensure clients are happy with their VHNZ service.
Jodhi Wawrick-Ponga
JODHI WAWRICK-PONGA
Jodhi, in her role as Head of Programmes and Apprenticeships at Vertical Horizonz, carries a rich blend of industry experience and a deep-rooted passion for Health and Safety. Her career, marked by diverse roles across various sectors, culminated in a profound commitment to Health and Safety, particularly focusing on Hazardous Substances. Her expertise is further complemented by her recent work in relationship management within a standard setting body and workforce development council.
At Vertical Horizonz, Jodhi is set to effectively marry organisational goals with educational strategies. Her insight into the primary industries, construction, and infrastructure sectors positions her ideally to lead our programmes and apprenticeships towards not only meeting industry standards but also pioneering in innovation and excellence.
Beyond her professional role, Jodhi maintains an active involvement in Health and Safety on a broader scale. She contributes to community initiatives, plays a key role in reviewing the NZQA Health and Safety qualifications, and serves as a trustee for Te Rōpū Marutau o Aotearoa, where she volunteers her time and expertise. This ongoing commitment underscores her dedication to not just her professional duties but also to contributing positively to the wider community and sector. Her approach to education is centered around making it accessible and engaging, aiming to inspire and empower each ākonga with the necessary skills and confidence for today’s competitive job landscape.
Ben Hewitt
BEN HEWITT
Ben is a dedicated IT professional with 14 years of experience across a range of roles, including Service Desk support, Systems Engineer, IT Account Manager, Account Manager Team Lead, and now as Head of Digital at VHNZ. Throughout his career, he has worked with a wide variety of businesses, building extensive knowledge of business systems, tools, and risk management. Ben is passionate about simplifying IT processes, reducing paper use, and improving security—always looking for smarter, more efficient ways to work.
Outside of work, Ben makes the most of life with his young family and enjoys cycling and outdoor activities to recharge and maintain mental clarity.
Andrew Cockburn
ANDREW COCKBURN
Andrew has been a part of the Vertical Horizonz team since 2012. Throughout this time, he has delivered a broad spectrum of training and progressed through the business to become the Operational Manager – Central North Island.
Within Andrew’s role he manages a team of approximately 40 trainers and 12 office staff. Andrew maintains high personal standards, which are demonstrated in the quality of the work produced and what is also expected from others within the team environment.
Tania Quinn
Tania Quinn
Tania has been part of the Vertical Horizonz team for over 10 years. During this time, she has worked across a range of roles, including Client Liaison, Client Liaison Manager, Upper North Island Account Manager and National Training Advisor Manager. This experience has given her a strong understanding of customer needs, training delivery, and internal processes.
Now as the Upper North Island Regional Manager, Tania is responsible for managing resources in the region to ensure effective, high-quality training delivery. She is known for her commitment to process improvement, customer service, and supporting her team to achieve strong results.
Nicole Hall
Nicole Hall
Nicole is now the National Sales Manager, having previously served as the Lower North Island Regional Manager after assuming that role in 2023. In her new position, she is responsible for leading the sales strategy and ensuring cohesive growth across the country.
Nicole first joined VHNZ in 2017 as a maybe temporary Post Course team member. Over the years, she has taken on a variety of roles, including Client Liaison and Account Manager for Wellington, Manawatū, and Taranaki. Her strong leadership and consistent achievements have paved the way for her to now lead the national sales efforts.
Dedicated to enhancing the client experience, Nicole takes pride in designing training packages that meet the needs of her clients. She is invested in the full lifecycle of the training journey, always considering the bigger picture for her clients and embracing challenges.
Rachel Butcher
Rachel Butcher
Rachel’s extensive background in education paved the way for her current role as Regional Manager for the South Island at Vertical Horizonz. After teaching in Christchurch and Hong Kong, she transitioned into adult education and training leadership roles at institutions like Hagley College, Ara, Canterbury University, St John, and Primary ITO.
With a focus on quality and continuous improvement, Rachel’s passion stems from training’s role in personal growth, organisational safety, and sustainability. Beyond work, she enjoys spending time with her two sons, daily walks, skiing, and indulging in podcasts.
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Account managers
Kris Thirumalai
Kris Thirumalai
Kris is the Account Manager for East Tamaki, bringing over 15 years of experience in media, advertising, and business development. With an MBA in International Marketing, he excels at helping businesses navigate industry standards and find the right training solutions.
Fluent in four Indian languages, Kris connects easily with clients and enjoys building strong relationships across Auckland. A passionate sports fan, he’s always up for a chat about cricket, football, or rugby.
Based at the East Tamaki Centre, he connects businesses with REAL TRAINING THAT SAVES LIVES solutions across Avondale, CBD, Ellerslie, Penrose, Mount Wellington, Onehunga, Highbrook, Howick, and beyond. Whether you need expert training advice or a sports discussion, Kris is your go-to.
Paula Southon
Paula Southon
Paula is one of our Upper North Island Account Managers. She is responsible for client relationships and business development in the Auckland and Northland regions.
Paula joined VHNZ in 2022 and has come from a strong background in education. Through her experience as a preschool teacher and within a variety of other similar industries, she has found a passion in developing and fostering positive relationships. Paula enjoys learning about her clients training requirements, and assisting them in reaching goals and fulfilling their individual needs.
Krystle Legg
Krystle Legg
Krystle is the Account Manager for Waikato and is based out of the Hamilton Office, she recently joined Vertical Horizonz VHNZ in November 2023.
Krystle is thrilled to be working for VHNZ after working alongside them in her previous positions as Programme Manager for Te Rūnganga o Ngāti Awa and Purchasing Manager at Genesis Energy.
With a background in Projects and Finance, this is going to be a new challenge however she feels extremely excited to be involved with client acquisition and be a part of educational transformation in the region.
Jenny Robinson
Jenny Robinson
Jenny joined Vertical Horizonz (VHNZ) in February 2023 and is our Account Manager for the Eastern and Southern Bay of Plenty and South Waikato regions. Born and raised in Tokoroa and a long-time resident of Rotorua, she has the knowledge and understanding of these areas and is committed to serving the needs of her clients with the utmost dedication and care.
Jenny has an MBA qualification and many years of experience in the tertiary education industry. She previously managed NZ Welding, Trades and Services School and the Solomon Group in the Bay of Plenty before joining the VHNZ family. Her passion lies in helping people upskill and achieve their goals with a special interest in making a positive difference in the lives of Māori and Pasifika communities.
Her aspiration is to encourage more women to enter the trades industry and as the VHNZ lead for our “Wahine in Trades” collaboration in the Waikato and Bay of Plenty, she is determined to make a difference. With her wealth of knowledge, experience and dedication to serving her clients, she is the ideal partner for any organisation looking to succeed in the Eastern and Southern Bay of Plenty and South Waikato regions.
Anthony King-Alo
Anthony King-Alo
Anthony joined Vertical Horizonz (VHNZ) in October 2023. Accomplished Personal Trainer and Program Coordinator with years of experience in supporting youth to become independent employed members of their community. Skilled in developing successful programs and providing guidance to young individuals.
Experienced Employment Navigator with exceptional interpersonal and communication skills.
With a background and expertise in community networks, Anthony has been heavily involved with career pathways. Anthony has a passion for seeing the community succeed and thrive. Currently serving as a valued member of the New Zealand Defence Force (NZDF). He is a proud father of three and proud of his Samoan heritage.
Michelle Phelan
Michelle Phelan
Michelle is a Taranaki lass who has lived and worked in various parts of New Zealand and overseas, but the amazing Maunga always calls her home! She has a background in the Primary Sector with over 12 years of Industry Training Organisation (ITO) experience as a Training Adviser and Registered Assessor, with a passion for Health & Safety.
Training is her ‘why’, and she is a firm believer in the value training adds to careers – and keeping people safe! Seeing learners achieve and grow and supporting businesses on this journey is her happy place.
Michelle’s two daughters are in the South Island at university, so she spends some time down south. She also enjoys art, nice food, and great company.
Alex Shallcrass
Alex Shallcrass
Born and bred in Nelson, Alex knows the Tasman region like the back of his hand – the people, the community, and the best places for a Friday pint after a long week of mahi.
After 10 years in Perth managing clients in the transport biz, he’s back home in Nelson, bringing his considerable expertise in client management with him. Alex is your go-to man if you are in need of information or looking to line up some training for yourself or your team. Alex loves working with local businesses to service their training needs, getting amongst the community and contributing to a safer region that he is proud to call home.
Catherine Schuster
Catherine Schuster
Catherine is an Account Manager based in the Lower South Island and has worked for VHNZ since July 2022.
She has previously worked in the trades industry looking after members and business partners, mentored apprenticeships including recruitment of candidates, account management and business development in large global corporations, as well as marketing and advertising sales. Having a diverse background, she also has experience in fraud investigation and the airline and aviation industries.
Catherine is passionate about client satisfaction and strives to make the client journey as seamless as possible.
Hugh Lees
Hugh Lees
Hugh, a proud descendant of Ngāi Tahu, hails from Dunedin and grew up in Alexandra before settling in Tauranga, Bay of Plenty. His heritage a cornerstone of his personal and professional development. He has extensive experience as Apple’s regional representative and support specialist in the Bay of Plenty region, where he built key relationships and developed innovative technology solutions for retail partners. His passion for his role lies in fostering relationships and crafting unique solutions that make a tangible impact, inspiring and engaging him daily. Outside of work, he enjoys contributing to the sport he loves and engaging in community development activities.
Hayley Welsh
Hayley Welsh
Born and raised in Lower Hutt, Hayley began her career in retail, where she developed a strong foundation in customer service, communication, and relationship management. Her career has since spanned account management and banking, with a consistent focus on client success, business growth, and building strong, lasting partnerships.
Hayley has worked across a range of industries including corporate, retail, and community sectors – helping organisations identify needs, implement solutions, and achieve their goals. Most recently working in Melbourne in centre management for one of the major West Melbourne shopping centres. As part of the property team, she contributed to stakeholder engagement, property and financial administration and operational performance, gaining valuable experience in client service within a fast-paced, high-expectation environment.
Bridget O’Brien
Bridget O'Brien
WORK
WITH US
If you believe you have what it takes to be a VHNZ Trainer, fill in the Trainer Application and email it along with your CV to [email protected]