ABOUT
US
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 Vertical Horizonz New Zealand and the wider Vertical Horizonz Group. He established the company in 1998 with a clear focus on improving safety for those working at height across New Zealand.
With 20 years in the New Zealand Army and Special Air Service, Bruce brings deep operational experience and a leadership style shaped in high-risk, high-performance environments. That background has been instrumental in building a training organisation grounded in real-world application.
Under Bruce’s leadership, Vertical Horizonz has grown into a nationally recognised provider of safety and vocational training, known for its practical approach and strong industry alignment. He continues to guide the organisation’s direction, with a focus on ensuring training reflects the realities of the industries it serves.
The values he set from the beginning remain central today, with a strong emphasis on integrity, respect, leadership, empowerment and collaboration. He has built a culture where people back each other, take pride in what they do, and are committed to delivering for the people they train.
Thecla Johnstone
THECLA JOHNSTONE
Thecla is a Director of Vertical Horizonz New Zealand and Director of Thecla Johnstone & Associates Ltd, Chartered Accountants. With over 35 years’ experience in accountancy, including more than two decades running her own practice, she brings deep expertise across financial management, taxation and business advisory.
She provides a strong commercial lens to the organisation, supporting sound decision-making and long-term financial stability. Her experience working with a wide range of businesses gives her a practical understanding of what drives sustainable growth.
Thecla’s steady, informed approach plays an important role in ensuring the business is well positioned for the future.
Carl McOnie
CARL MCONIE
Carl is a Director of Vertical Horizonz New Zealand, bringing a strong focus on governance, risk and long-term organisational performance. He previously served as CEO of VHNZ, where he played a key role in shaping the business and positioning it for growth.
Alongside his role with VHNZ, Carl is currently CEO of Coastguard New Zealand and Coastguard Boating Education. His leadership across high-risk, safety-critical environments gives him a deep understanding of what it takes to build resilient, well-performing organisations.
Carl brings extensive experience in risk management and governance, supporting both not-for-profit and private sector organisations to strengthen decision-making and improve operational outcomes. His approach is grounded in practical, proven frameworks, with a clear focus on managing risk while enabling sustainable growth.
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.
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 Chief Executive of Vertical Horizonz New Zealand and a member of the Vertical Horizonz Group Senior Advisory Board. Since joining the organisation in 2012 as New Zealand Operations Manager, Ben has played a key role in shaping the company’s growth and operational success. He was appointed Chief Executive in 2019, bringing a focus on client partnerships, industry leadership, and delivering training that makes a real difference in workplaces across Aotearoa.
With a background spanning operational management and accounting, Ben’s diverse experience gives him a unique ability to lead across both strategic and practical levels. Prior to VHNZ, he spent five years as Operations Manager at Niederer Drilling, followed by four years in the accounting sector with Thecla Johnstone and Associates. He also holds a conjoint degree in Science and Commerce from the University of Auckland and completed his Master of Business Administration (MBA) at Waikato University in 2021.
Ben balances his leadership role with family life, coaching his children’s football team and renovating a small orchard. He also serves as a member of the New Zealand Army Reserve Force, continuing his commitment to service and community.
Marcus Bathan
MARCUS BATHAN
Marcus is the Chief Operations Officer at Vertical Horizonz New Zealand and a member of the Vertical Horizonz Group Senior Advisory Board. With over a decade at VHNZ, he plays a central role in shaping the organisation’s direction, leading both sales and training to ensure delivery stays aligned with what industry actually needs.
Since joining in 2010, Marcus has built deep, practical knowledge of the business through years of hands-on experience. He understands how the organisation works at every level, which shows in the way he leads. His approach is clear, grounded and focused on people, earning the trust of those around him while keeping performance high.
Marcus holds an Master of Business Adminstration with Honours, bringing a strong strategic lens to his leadership alongside his operational experience. Before VHNZ, he served in the British Army for seven years, an experience that still shapes his leadership today. He brings integrity, accountability and clear intent to his work, with a focus on developing people, lifting standards and making a meaningful impact across the industry.
Outside of work, Marcus enjoys spending time with his family, playing football and getting out on the golf course.
Rozanna Waiari
ROZANNA WAIARI
Rozanna is Head of Business Services at Vertical Horizonz New Zealand, leading the functions that keep the organisation running day to day across finance, HR and administration. She oversees these core areas with a focus on consistency, efficiency and strong operational performance.
A qualified accountant with over 20 years’ experience in the Chartered Accounting environment, Rozanna brings deep financial expertise and a practical understanding of how to support business growth. She plays a key role in shaping and implementing systems that strengthen both financial performance and overall operations.
Rozanna is known for her clear communication and steady leadership, creating a supportive environment while keeping teams aligned and accountable. Her approach ensures the business services function not only supports the organisation, but actively contributes to its ongoing success.
Evelyn Moody
EVELYN MOODY
Evelyn is the Vertical Horizonz New Zealand 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.
Andrew Sykes
ANDREW SYKES
Andrew is the Regional Manager for the Central North Island for Vertical Horizonz New Zealand, providing direction, and support to the region. His leadership ensures teams understand their role in delivering training that makes a real difference, helping to keep workers safe and build industry capability.
Since joining VHNZ in 2012 as a trainer specialising in heights and confined space, Andrew has played a key role in shaping and improving the organisation’s premium training courses. His leadership experience includes several years as Upper North Island Regional Manager, followed by his appointment as Head of Stakeholder Engagement in 2022, before stepping into his current role.
Andrew brings a strong operational background, having served 16 years with the UK Fire Service and later working in emergency management for the Waitematā District Health Board after moving to New Zealand. This experience, combined with his practical knowledge and leadership approach, continues to support the delivery of high-quality, industry-relevant training across New Zealand.
Glen Walker
GLEN WALKER
Glen is Head of Stakeholder Engagement at Vertical Horizonz New Zealand, leading customer success and shaping how the organisation connects with clients, learners and industry. His focus is on creating a consistent, high-quality experience across the full customer journey.
With a strong background in operational leadership, Glen brings a clear understanding of what it takes to deliver in the real world. Since joining VHNZ, he has built a reputation for lifting performance, supporting teams and driving outcomes that make a genuine difference for customers.
Glen takes a people-first approach to leadership, building trusted relationships and ensuring training delivery stays aligned with the needs of industry. His ability to connect strategy with day-to-day delivery plays a key role in how VHNZ continues to grow and deliver value.
Jodhi Wawrick-Ponga
JODHI WAWRICK-PONGA
Jodhi is Head of Programmes and Apprenticeships at Vertical Horizonz New Zealand, leading the design and delivery of training pathways that move people into work and support long-term career progression.
With a strong background across industry and workforce development, she focuses on building programmes that are relevant, practical and aligned with what employers actually need. Her work centres on clear learning pathways, strong learner outcomes and creating real opportunities for people to step into and progress within the workforce.
Jodhi brings a deep understanding of the primary industries, construction and infrastructure sectors, ensuring programmes deliver value for both learners and employers.
She is also actively involved in the wider sector, contributing to NZQA Health and Safety qualification reviews and serving as a trustee for Te Rōpū Marutau o Aotearoa. She is committed to creating learning that is accessible, engaging and set up for real-world success.
Ben Hewitt
BEN HEWITT
Ben is the Head of IT at Vertical Horizonz New Zealand, and is an experienced IT professional with over 14 years in the industry. He brings a well-rounded background across technical, client-facing and leadership roles. His experience spans service delivery, systems engineering and account management, giving him a strong understanding of how technology supports business performance.
He has worked with a wide range of organisations, building deep knowledge of business systems, operational risk and practical IT solutions. Ben is known for cutting through complexity, streamlining processes and introducing smarter ways of working that improve efficiency, strengthen security and reduce reliance on manual or paper-based systems.
He takes a pragmatic, solutions-focused approach, balancing technical expertise with a clear understanding of business needs. This allows him to deliver IT outcomes that are not only effective, but sustainable at scale.
Outside of work, Ben enjoys spending time with his family, cycling and making the most of the outdoors.
Andrew Cockburn
ANDREW COCKBURN
Andrew Cockburn is Head of Training and Development at Vertical Horizonz New Zealand. He sets the standard for instructional quality across a national trainer network of more than 120, leading the teams responsible for trainer capability, resource development and digital learning.
With over 15 years’ experience in workplace health and safety training, qualification development and adult education, Andrew brings deep expertise in building training that works in the real world. His focus is on making sure programmes are practical, relevant and aligned with both industry expectations and regulatory requirements.
He has played a key role in shaping training and qualifications used across the New Zealand workforce, including contributing to NZQA review panels and supporting VHNZ to maintain its Category 1 rating across three consecutive External Evaluations and Reviews.
Andrew holds a Bachelor of Training and Development and brings a strong combination of practical experience and academic grounding to his role.
Tania Quinn
Tania Quinn
Tania is the Upper North Island Regional Manager at Vertical Horizonz New Zealand, with over a decade working across the business. Her experience across customer-facing and operational roles gives her a clear view of what it takes to deliver training that works for both clients and teams.
She leads the region with a strong focus on delivery, making sure the right people and resources are in place and things run as they should. She’s known for keeping standards high, backing her team and finding practical ways to improve how things are done.
Tania knows the business inside out and brings a steady, hands-on approach to leadership. She understands what matters on the ground and keeps the region running in a way that works for both clients and the teams delivering the training.
Nicole Hall
Nicole Hall
Nicole is the Lower North Island Regional Manager at Vertical Horizonz New Zealand, leading the sales strategy and driving growth across the country. With a strong background in client engagement and account management, she brings a clear focus on building relationships and delivering value for clients.
Since joining VHNZ in 2017, Nicole has developed a deep understanding of the business and the industries it supports. Her experience working closely with clients across multiple regions, shapes the way she approaches sales today, with a strong emphasis on long-term partnerships and practical training solutions.
Nicole is focused on improving the overall client experience, from first engagement through to delivery. She takes a strategic view of training, working to ensure solutions are tailored, relevant and aligned with what clients and learner’s actually need.
Rachel Butcher
Rachel Butcher
Rachel is the South Island Regional Manager at Vertical Horizonz New Zealand. She supports regional performance and contributes to the delivery of high-quality, compliance-based training across the business.
With over 20 years’ experience in vocational education and training, Rachel has worked across industry training organisations, private training establishments, and tertiary providers. She has held a range of leadership roles spanning operations management, programme development, quality assurance, and business development, giving her a strong understanding of training delivery, regulatory requirements, and industry engagement.
Her background is underpinned by formal qualifications in education and business including a Bachelor of Education, Diploma of Teaching, and a Postgraduate Diploma in Business and Administration.
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Account managers
Kris Thirumalai
Kris Thirumalai
Kris is the Business Development Manager/Programme Manager for Auckland, 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 our Upper North Island Client Partner. 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.
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.
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 HR@vhnz.co.nz
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