Our Team
At Gemtech, we are dedicated to empowering organisations and individuals across New Zealand. Our mission is to foster success and innovation for a thriving community.
Directors
Dave Dyer
Executive Director
Dave has over 30 years' experience in the delivery of a variety of business-related consulting services, both within the public and private sector. He has advised many New Zealand government departments and fully appreciates the rigour and accountability requirements of providing advice that is likely to be carefully scrutinised by an independent party or central monitoring agency. Dave's advisory strengths lie in the areas of Business Development and Management, Project and Programme Management, Independent Quality Assurance, Infrastructure Asset Management Planning (especially Roading/Transport) and the provision of procurement related services. Dave is a certified GCDO Lead Reviewer, holding a 'Very Good' rating in both programme and project assurance, demonstrating his expertise in delivering high-quality assurance services.
Angela O'Hara
Managing Director
Angela's role as Managing Director of Gemtech includes General Management, Delivery Management, Relationship Management, Business Development, and overall Quality Assurance. Angela brings over 10 years of Leadership and Management experience across both the Private Sector/Professional Services and Government, including six years' experience as Chief Operating Officer at Gemtech. Highly motivated, results driven, and committed to achieving high-quality outcomes for our clients, Angela's focus is to help our clients improve business performance and productivity in order to achieve outcomes that benefit New Zealand. With a background in Digital Delivery and Information Management, Angela has extensive experience working on large scale Programmes of Work and technology implementations that deliver transformational change. During Angela's 15 years' of Consulting experience, Angela has obtained an excellent understanding of the people side of technology, and extensive experience in delivering good governance, change leadership, and strong business engagement. Angela has worked with a wide range of government, local government and private sector clients across New Zealand and Australia. Angela also delivers hands-on Consulting and Advisory services in the areas of Programme Management and Information Management, and has significant experience in Enterprise Content Management Implementations.
Strategy and Service Leads
Katie Thomas
Change Practice Director
Katie has over 10 years’ of experience in strategic advisory and change leadership. With a passion for driving transformational change, Katie is known for translating complex challenges into clear, actionable strategies and has led change initiatives in both operational and project environments for organisations such as Inland Revenue, Ministry of Defence, Fire and Emergency New Zealand, Department of Conservation, and Sport NZ. Katie brings deep expertise across all aspects of change management as a certified Prosci Change Practitioner and an Accredited Change Manager (APMG). Beyond her role at Gemtech, Katie contributes governance expertise as a board member for several not-for-profits and has a background in social media and engagement management. Katie partners with organisations to empower teams, strengthen resilience, and achieve sustainable, people-centred outcomes through thoughtful and inclusive change.
Serena Milne
Property Lead
Serena is a highly experienced Senior Mechanical Engineer with over a decade of experience delivering mechanical building services across the education, commercial, transport, and energy sectors. Her portfolio includes school redevelopments, theatres, bus stations, commercial base build and tenancies. Serena integrates technical design with project and bid management, facilitating multidisciplinary teams to deliver effective, end-user focused outcomes. Known for her relationship-first approach, Serena builds trust across diverse teams to resolve challenges and add value at every stage. She brings curiosity, clarity, and a 'best for project' mindset to everything from mechanical services design to cross-regional collaboration.
Steffan Mills
Strategic Client Director
Steffan is a highly experienced business and IT services professional with many years in strategic and solution focused customer engagement across both the public and private sectors, predominantly with clients navigating transformational change. He has gained his experience working for organisations ranging from Tier 1 global Consulting and IT Services business's through to New Zealand based startup and medium sized professional services organisations. Steffan is trusted and valued for his ability to quickly understand and navigate complex business environments. He develops genuine partner relationships with customers at all levels focused on value and positive outcomes on both a commercial and human level. Steffan is a relationship builder and has established and maintained strong business networks throughout his career and is a strong leader, manager and coach with an excellent ability to empower others to succeed. He has very strong business acumen and embodies the notion that business success comes largely from a disciplined and cohesive team approach to a common business goal.
Corporate Services
Abbie Dyer
Pre-Sales and Marketing Consultant
Abbie's role at Gemtech involves resource management, strategic planning, and business development, playing a key role in the proposal development process. Abbie promotes Gemtech's consulting services, maintains the company's website, and engages audiences through LinkedIn and other channels. She creates impactful marketing materials and manages financial tasks such as client billing, payroll, and cash flow oversight. Abbie has a Bachelor of Commerce at Victoria University, majoring in Human Resources and Industrial Relations with a minor in Psychology.
Nathan Chamberlain
Digital Support Coordinator
Nathan's role at Gemtech involves internal projects such as website development and ongoing systems and process improvements. Nathan is also involved as a consultant for various digital initiatives. Nathan is in his fourth year at Victoria University studying Software Engineering.
Consultants
Andy Duligall
Principal Consultant
Andy is a seasoned professional with a global outlook and over 20 years' Project and Programme Management experience. He uses his extensive international and financial institution experience to positively impact the bottom line for clients and deliver swiftly and effectively to customer expectations. Andy has an analytical approach to overcoming project complexities and is able to locate the heart of issues with ease. This, coupled with his project management disciplines of quality delivery on time and within budget, Andy ensures he provides comprehensive, quality analysis and reporting within agreed timeframes to clients. Andy is a GCDO Assurance Panel Lead Reviewer for Project Management.
Anna Milligan
Consultant
Anna carries out a range of activities on behalf of Gemtech and its clients. Anna is skilled at managing issues and is focused on resolutions. She brings to the role valuable personal qualities including commitment, a high level of integrity and professionalism. Anna is an excellent communicator and sets high standards both for herself and with respect to the work that she manages. Anna is a superb administrator with great attention to detail. She uses this in her role as Secretariat for the Gemtech Board. Anna has a background in Psychology, HR and Health & Safety.
Chris Buxton
Senior Consultant
Chris is a talented and commercially astute, business-focused Digital Professional with international experience and expertise in strategic thought leadership, data-driven innovation, cultural change and directing digital transformation. He is a transformational leader, with over 25 years of experience, delivering innovative solutions, to achieve meaningful business impact. Chris passionately believes that leadership is essential to create vision and direction for teams.
David Williams
Senior Consultant
David has over 25 years' experience in independent quality assurance, portfolio, programme and project management, and consultancy services. He has worked with a wide range of portfolios within New Zealand's public and private sectors. David holds several project, programme and portfolio management qualifications including P3M3, PRINCE2, MSP and MoP. He works from a foundation of building and maintaining strong relationships, excellent communication, and provides professionalism and pragmatism to contribute to your delivery success. David is a certified GCDO Lead Reviewer in programme, project, and portfolio assurance. David has a GCDO satisfaction rating of 'excellent' for programme and project assurance services, and 'very good' for portfolio assurance services. David is the highest rated Lead Reviewer in the Assurance category, with a quality rating of 93%.
Hayley Sandilands
Project Coordinator
Hayley has started as a part time Corporate Services Administrator, she has strong business support experience, meticulous attention to detail, and excellent coordination skills. Hayley works with the Corporate Services Manager and helps to enable the efficient day to day running of Gemtech. Hayley has a background in business development, planning and reporting and executive support, and is currently studying towards a Bachelor of Laws and a Bachelor of Psychology.
Ian Thompson
Senior Consultant
Ian is a dedicated and valued Senior Consultant. He has over 20 years' experience in the IT industry, covering a range of roles including Project Management, Business Analysis, Implementations, Upgrades, Deployment, Change Control, Release Management and Support. Ian has delivered on many different projects within New Zealand and the UK, and ensures that client objectives are met. He has extensive experience with Oracle functionality, open interfaces, integration, upgrade management, and reporting leading him to have a solid understanding of both functional and technical deliverables.
John Dyer
Senior Consultant
John has extensive experience leading and developing teams. He has held senior roles across a range of organisations from Defence to high performance sport, to international disaster response and relief operations. He is accustomed to working in challenging environments and was awarded the NZ Gallantry Decoration for his actions in West Africa. John has an analytical approach and is adept at applying innovative and lateral thought processes to strategic and operational problems. He has extensive experience reviewing and developing business capacity and performance. John is skilled at developing and managing effective change processes enabling organisations to become more agile.
Louis Westmoreland
Technical Consultant
Louis has recently started as an intern at Gemtech and will be continuing part time into 2024. He takes on various roles which include developing applications, data analysis and utilising new technology to improve the operational efficiency of Gemtech. Louis is currently studying towards a Bachelor of Science majoring in Computer Science with minors in Data Science and Information Systems.
Makka McDermott
Project Manager - Auckland based
Makka is a qualified builder, QS, project and change management specialist, experienced in driving successful transformations across diverse industries. He is skilled in inspiring teams, addressing stakeholder concerns, and implementing practical solutions. As a seasoned Project Manager, Makka delivers results through strong leadership and mentorship. He is an innovative thinker, and leverages his knowledge, experience and data analysis for evidence-based strategies. Makka is committed to creating positive change and helping organizations thrive with minimal disruption. Makka currently forms part of our Auckland Property & Environment team.
Mike Sheedy
Senior Consultant
Mike is an experienced change specialist, analyst, and programme manager who delivers business outcomes for stakeholders. He does so by applying his business skills; working closely with key stakeholders; developing, communicating and delivering on a clear strategy; aligning and guiding the energy of others in line with the strategy; paying attention to the detail; and being well organised. Mike has a wide range of management consulting skills and has established a track record of delivery across technology and service industries, and in disparate business situations such as: Programme, Project and Change Management, Enterprise Process Improvement, Strategy Development, Auditing and Sales.
Neil Fallow
Senior Consultant
Neil is an experienced Business Consultant and Architect with more than 20 years' experience in a variety of roles in Business Case Development, Strategy and Transformation, Business Analysis, Information and Solution Architecture, Solution Design, Build and Implementation, Business Change Management and Project Management. Neil looks at problems from multiple angles to bring in new thinking and insight. He leads and assists organisations to transform through well-controlled programmes of work that facilitate better business processes, use of information and organisational knowledge to deliver improved services at lower cost while meeting compliance obligations.
Richard McIntyre
Senior Consultant
Richard is an experienced consultant with a strong focus on leadership and using technology to enable strategy and delivery of business outcomes. Richard's strong analytical skills and ability to consider alternative viewpoints allow him to rapidly identify key business constraints and improvement opportunities. His experience includes technology-enabled strategy development, IT operational management, business case development, business change management, software development management, infrastructure refurbishment, systems integration, business process re-engineering and software implementation. Richard has worked in public and private organisations using proven methodologies and frameworks to support successful delivery within complex environments.
Richard Shury
Senior Consultant
Richard has worked across a variety of roles in the UK and New Zealand, including Quality Assurance, Systems and Process Improvement, Project Coordination, and Compliance. He is currently on contract at the Ministry of Education, with Project Management duties across the Decarbonisation and Water Services Programmes. He has extensive administrative and project management experience; past responsibilities have included team management, compliance and auditing, business case writing, and service delivery. Richard's skillset also includes communications and MI, stakeholder engagement, budget management, invoicing, writing, and editing. He is PRINCE2 Practitioner, ITIL Foundation, and Better Business Cases certified.
Rosalie Chamberlain
Principal Policy Analyst and Technical Writer
Rosalie is a talented policy analyst and technical writer. She specialises in plain language and ensuring that business content is accessible, easy to read and up to date with legislation and standards. Rosalie helps organisations to improve strategy, compliance and workplace health and safety. She works with subject matter experts to develop clear policies, mandatory requirements, principles and processes that provide clarity for staff. She makes complex information simple. Recently, Rosalie has developed a new Defence-wide logistics policy suite to help ensure the safe management of operational energy across the NZ Army, Navy and Air Force. She has also led policy redevelopment projects for the NZ Police, Climate Change Commission and the new Children and Young Person's Commission. Rosalie has 25 years' experience in policy development, technical writing, project management, stakeholder engagement, marketing and communications. She is a member of the Technical Communicators Association of New Zealand (TechCommNZ).
Sasha Singh
Senior Consultant - Auckland based
Sasha is an organised and self-motivated consultant with strong leadership, organisational and customer relations skills within the FinTech/IT industries. She is a methodical and detail-oriented team player, experienced in managing and delivering high value projects. An experienced leader and mentor, Sasha is driven to deliver organisational excellence, and able to prioritise and multitask effectively to achieve successful project outcomes. She is enthusiastic and eager to contribute to team success through hard work, excellent organisational skills, and strong work ethic. Sasha currently forms part of our Auckland Property & Environment team.
Simon Williams
Senior Consultant
Simon is an expert in establishing high performing teams with 30 years' experience successfully managing people and outcomes, ranging from small teams to large organisations of more than 250 people. Simon is experienced in developing team cultures based upon organisation values and effective ways of working. He has extensive experience at senior management levels delivering organisational reputationally critical outcomes, programmes and projects. Simon has an extensive military technology, engineering and scientific background, with over 25 years' experience working globally for the British and New Zealand's Military as well as laterally a decades commercial experience developing and delivering infrastructure and organisational outcomes for a range of Crown agencies and multinationals.
Souradeep Gupta
Senior Consultant
Souradeep is a highly experienced technology professional who has held leadership positions in various programme and business unit teams. He has successfully delivered several architecture and strategy outcomes for cross-government initiatives as well as technology capabilities such as artificial intelligence, machine learning, digital identity and API ecosystem, robotic automation, digital channels, and Cloud adoption strategies. Additionally, he has been involved in completing IT application, infrastructure, data quality, and security programme roadmaps and business cases. He is a competent and trusted Security Consultant. Souradeep has experience as an Architect in a leading IT Services provider in New Zealand and has worked in the telecommunications billing domain as an Application Consultant and Solution Architect. Souradeep is a certified GCDO Lead Reviewer, holding a 'Very Good' rating in Technical Design Assurance.
“I began my career at Gemtech in 2022 after almost 15 years working in government. Consulting was a natural fit for me in terms of my capabilities and in such a short period of time, Gemtech has supported me in this next phase in my career, investing both time and resource into my development alongside building my portfolio working for a variety of clients across both private and public sector organisations. Gemtech’s value based and outcomes focussed approach to consulting services means that consultants are able to provide effective and sustainable solutions for clients, allowing organisations to realise benefits well after the engagement has ended.”
Let's work together
We set an extremely high benchmark for the quality of our outcomes. Please contact us if you are passionate about delivering exceptional results for New Zealand.