Management team

The management team is made up of specialists in venture capital, technology commercialisation and entrepreneurship.

Christchurch team
  • Stephen HampsonDr Stephen Hampson – Managing Director (+64 27 227 9854)
    Steve’s career has been dedicated to transforming new knowledge into commercial success. Stephen’s commercialisation career in Europe included fast-growth execution and business improvement in several acquired companies he was appointed to lead, including trade sale of one of these companies and domination of a global niche in another. Returning to New Zealand, Stephen was inaugural CEO of the award winning Canterbury Innovation Incubator (Cii) before establishing powerHouse in 2006. In this role, he has overseen the incubation and growth of more than 50 new companies.
  • Colin DawsonColin Dawson – Chief Operating Officer (+64 21 999 319)
    Following ten years in veterinary clinical practice Colin held a number of senior executive positions in the primary, secondary and tertiary healthcare sectors in NZ. He was a founding partner of health consulting and investment banking firm Medicus Capital and was the inaugural CEO of Otago Innovation, the commercialisation arm of the University of Otago. Colin is a Chartered Fellow of the NZ Institute of Directors and has governance experience with a wide range of private and NZX-listed technology companies.
  • Paul VineyPaul Viney – Chief Financial Officer / Company Secretary (+64 21 0847 2029)
    Paul is a career finance and governance professional. He has worked in Australian industrial and financial services organisations for over 20 years and has specialised in financial and management accounting, value creation, mergers and acquisitions and corporate governance. Prior to joining Powerhouse Ventures, Paul was Chief Financial Officer / Company Secretary at diversified ASX listed banking group MyState Limited, which had a market capitalisation of over AUD400 million and an asset footprint of around AUD5.3 billion.
  • Andy MathesonAndy Matheson – Chief Investment Officer (+64 21 240 4701)
    Andy has held senior executive roles in energy, infrastructure and clean-tech companies. He has worked as CEO, MD and Board Director in start-up businesses through the pre-seed to exit stages over 10 years. Before this Andy held international marketing and business development roles targeting the global industrial and utilities sector for 10 years. Prior to joining Powerhouse Ventures, Andy worked at HRL Morrison & Co, manager of diversified listed company Infratil, which has a market capitalisation of NZD1.7B.
  • Tia Cushing Tia Cushing – Executive Assistant (+64 21 207 3518)


  • Stuart Whitham – Group Financial Controller (+64 22 420 2404)
    Stuart brings to powerHouse his international experience working with young growth companies on audits, cash flow modelling and insolvency projects, financial instrument valuation, fund management and financial control. Stuart qualified as a Chartered Accountant at Coopers & Lybrand (now PWC) in London, working with global financial institutions on the valuation of derivative financial instrument portfolios. After making a permanent move to Christchurch in 2004, Stuart took up a role with global fund of funds, Infiniti Group, before later becoming Financial Controller at Allied Telesis.
  • Miles HockleyMiles Hockley – Co-investment Manager (+64 27 271 5077)
    Miles has over 25 years of management experience in IP commercialisation, technology start-ups, strategic management consultancy and international finance. A metallurgist by degree, Miles has been involved operationally with a number of early stage businesses and has experience of building and managing strategic alliances internationally and the raising of equity from private, institutional and corporate investors. Miles graduated from Trinity College, University of Oxford with BA Honours in 1979 and MA Honours in 1985.
  • Rachel TriplowRachel Triplow – General Counsel (+64 21 067 4709)
    Rachel’s experience includes more than 15 years in intellectual property and commercial law. Her roles have included: acting as the sole inhouse counsel for the UK branch of an international company; providing specialised legal and strategic advice within leading IP firms in New Zealand and the UK; preparing legal opinions and policies at what is now the MBIE; and drafting legal decisions and practice guidelines as the Assistant Commissioner of Trade Marks at IPONZ.
  • Stuart LansleyDr Stuart Lansley – Portfolio Manager (+64 21 134 9684)
    Stuart obtained his MEng(Hons) in Engineering and Materials Science at the University of Oxford and a PhD in Electrical and Electronic Engineering at University College London. After being a Lecturer in Electrical and Computer Engineering at the University of Canterbury he joined Powerhouse as an Investment Analyst. He now coordinates the management and reporting of the Powerhouse Investment Portfolio companies.
  • Matthew TurnbullMatthew Turnbull – Corporate Accountant (+64 22 064 7709)
    Matthew is an accounting professional and brings to Powerhouse his skills in financial reporting and data analysis. Matthew qualified as a Chartered Accountant in Northern Ireland in 2012 and worked as an auditor for Grant Thornton in the UK and New Zealand for seven years before joining Powerhouse.
  • Anya HornseyAnya Hornsey – Christchurch Regional General Manager (+64 27 205 8404)
    Anya has a background as a co-inventor in a corporate spin-out which developed a significant patent portfolio sold to a multi-national company. Anya’s key focus is developing IP strategies for the powerHouse portfolio and conducting due diligence on potential investment opportunities, checking freedom-to-operate and the strength of any existing IP position. Anya is responsible for deploying powerHouse Seed Funds into pre-revenue early stage ventures, including IP negotiation and investment deal processing.


Dunedin team
  • Steve Silvey Steve Silvey – Dunedin Regional General Manager (+64 27 487 7827)
    Steve oversees the Dunedin operations of powerHouse. Formerly CEO of Upstart Business Incubator in Dunedin, Steve has spent his career in commercialisation roles and creating shareholder value at general management and governance level. He has exposure at all stages of the business lifecycle, from start up to corporate including successful trade sales. Steve has an Honours degree in Biology, an MBA and is a Fellow of the Institute of Chartered Accountants in England and Wales and the New Zealand Institute of Management.
  • ConradAndersonConrad Anderson – Investment Analyst (+64 27 252 0141)
    Conrad has over 10 years of experience assisting new and expanding business ventures, holding senior management roles within the new and expanding business sector with a focus on debt and equity transactions up to $3million. With a finance sector background, he has a large network in Dunedin, with a focus on the start-up, IT and investor communities. Conrad has a bachelors’ degree in finance, a post-graduate diploma in economics, and an MBA.
  • RuthAppleby Dr Ruth Appleby – Investment Analyst (+64 21 029 06742)
    Ruth has extensive experience in biotechnology, management, and product and business development. Upon completion of her PhD at Massey University she performed research at AgResearch and the University of Otago. As Director of Product Development for a Californian medical technology company, she gained regulatory experience in FDA and European rules involved in commercialising new products. Returning to Dunedin, Ruth spent several years in business development at the University of Otago, with particular emphasis on commercial engagement in physical and bio-medical research.
Wellington team
  • Melissa YiannoutsosMelissa Yiannoutsos – Wellington Regional General Manager (+64 21 241 5423)
    Melissa has spent nearly 15 years commercialising science for industrial, medical and biotechnology applications in New Zealand. She has extensive experience of developing and implementing strategies for technology-led organisations and leading negotiations with international corporations. Prior to setting up Kerasi Limited, which merged with powerHouse in 2014, Melissa was responsible for administering business incubator programmes, managing the commercialisation portfolio and pre-seed and equity funds at Industrial Research Limited. Melissa is an active investor in technology start-ups and has been on a number of boards.
  • Jennifer AndersonJennifer Anderson – Investment Manager (+64 21 226 5304)
    As an active investor and consultant in the early-stage biotechnology, human nutrition and medical devices sectors, Jennifer has worked with Crown Research Institutes, universities and the private sector in both technical and commercial roles to commercialise intellectual property into the international market. During her time with Industrial Research and Massey University Jennifer developed a passion for seeing science move from the lab-bench into financially-sound businesses.
  • Tijs RobinsonTijs Robinson – Investment Manager (+64 21 411 466)
    Tijs has extensive experience in commercialisation and market development of industrial technologies. Tijs joined powerHouse from Kerasi, where he assisted Wellington-based clients with technology commercialisation. Prior to this he managed new product development and business growth in international markets at HTS-110 Ltd, a high-tech manufacturing company. Tijs has experience of managing a high-tech international manufacturing supply chain, and negotiating OEM supply agreements. Earlier in his career, Tijs worked at a Crown Research Institute where he was involved in business development, securing investment and market validation.
  • Charlie TomlinsonDr Charlie Tomlinson – Investment Analyst (+64 22 313 5128)
    Charlie has a broad background that spans IT, geospatial risk assessment and engineering, working with a variety of businesses in the UK and NZ. Following a joint honours in Civil Engineering and Geography at the University of Birmingham he completed a PhD bridging academia, industry and local authorities. Charlie is currently on secondment to Lightning Lab Christchurch.


Auckland team
  • Will BarkerWill Barker – Investment Manager (+64 27 700 8122)
    Will has over 10 years of experience commercialising new technologies through securing IP, raising investment funds and building high-performance teams. As a registered patent attorney, he has in-depth knowledge of the mechanics of IP-driven value-creation and has assisted numerous start- ups with developing IP strategies to create world-class partnerships. Having joined Powerhouse in 2015, Will is focusing on creating and executing investment opportunities with Auckland’s universities and research organisations.