Board of Directors

  • Adam Lewis
  • Rosemary Hartnett
  • Leigh Jasper
  • Rob Phillpot
  • Keith Toh
  • Paul Unruh
  • Simon Yencken

Adam Lewis


Adam Lewis spent 20 years at McKinsey & Company, advising major enterprises and governments in Australia and New Zealand, Asia, Europe, and North America. A partner at the firm for 14 years, he had a wide-ranging client portfolio across the steel, mining, chemicals, retail, telecommunications, and retail banking industries. He was managing partner of McKinsey in Australia and New Zealand and a member of the firm’s Asia Council and global Senior Partner-election committees. Since leaving McKinsey in 2010, Adam has established an advisory firm, Cast Professional Services. He is also Chairman of MessageMedia, Southern Innovation and Palette, a Director of FIIG Securities and acts as an advisor to a number of other start-up companies. Adam holds a M.B.A. degree in Finance (Honors) from the University of Illinois at Urbana-Champaign and a Bachelor of Engineering and Electronics degree (Honours) from Curtin University of Technology.

Rosemary Hartnett

Rosemary Hartnett joined the Aconex board of directors in 2015. She is an independent director on the boards of ISPT, one of Australia’s leading property fund managers and ISPT/IFM International Property. Previously, Rosemary was chief executive officer of Housing Choices Australia, one of Australia’s largest NGOs providing housing for people priced out of traditional housing markets. Prior to Housing Choices, Rosemary held senior executive positions in property and construction finance and in funds management at National Australia Bank and ANZ Banking Group. Rosemary is a member of the Australian Institute of Company Directors and Women in Super. She holds a Bachelor of Business in Property degree from the Royal Melbourne Institute of Technology and is a qualified property valuer.

Leigh Jasper

Chief Executive Officer

Leigh Jasper is the CEO of Aconex, the world’s most widely used cloud collaboration platform for construction, engineering and infrastructure projects. Leigh has overseen the continued growth of Aconex since founding the Company with Rob Phillpot in 2000. Aconex became a public company in 2014. Prior to Aconex, Leigh worked at McKinsey & Company, where he consulted for clients in the financial services, media and information technology sectors. He is a director of the Burnet Institute, a not-for-profit organization which aims to improve health in poor and vulnerable communities in Australia and internationally through research, education and public health. Leigh holds a Bachelor of Engineering degree with First Class Honors, a Bachelor of Science degree in Mathematics and a Diploma of Modern Languages in French from the University of Melbourne.

Robert Phillpot

Senior Vice President, Product & Engineering

Rob Phillpot is responsible for product vision, strategy and management, as well as engineering, and is an Aconex director. Together with company co-founder Leigh Jasper, he raised A$86 million in private equity investment before listing Aconex on the Australian Securities Exchange (ASX) in December 2014. Rob is a Director of Scotch College, Melbourne. Prior to establishing Aconex, Rob managed document control, quality and trades on a site team at Brookfield Multiplex, a leading global contracting and development firm specializing in large-scale buildings, commercial structures and infrastructure projects. It was Rob’s construction industry expertise – combined with Leigh’s consulting experience in e-commerce strategy at McKinsey – which created the Aconex cloud collaboration platform. Prior to Brookfield Multiplex, Rob was an auditor at Deloitte & Touche in Australia. He holds Bachelor of Commerce and Bachelor of Planning and Design degrees with Honors and a Master of Building degree from the University of Melbourne.

Keith Toh

Keith Toh is a private investor and the founder and owner of Boost, a social discovery business. He is a venture partner at Novo Tellus Capital Partners, a Singapore-based investment firm. He serves on the board of AEM Holdings Ltd (SGX: AWX), a Singapore Exchange-listed public company providing semiconductor equipment and services. Keith was formerly principal investor at Francisco Partners, where he focused on enterprise software and technology investments. Prior to Francisco Partners, he was an enterprise software product lead and senior consultant at Trilogy. Keith has held research roles at Stanford University in the field of semiconductor lasers, and at the Ministry of Defence of Singapore in the fields of artificial intelligence and operations research. He holds a B.S. degree in Electrical Engineering from Stanford University, where he graduated with the combined faculty Deans' Award for Academic Achievement.

Paul Unruh

Paul Unruh is a senior adviser at TeleSoft Partners and serves on the board and chairs the Audit Committee of Symantec Corporation. He previously served on the boards of URS Corporation, Move, Inc., and Heidrick & Struggles International. Paul’s 25-year career at Bechtel began in 1978, when he joined as manager of financial systems development, and culminated in 2003, when he retired as vice chairman and member of the three-person senior management group. He also served as chief financial officer, controller and treasurer at Bechtel, as well as president of Bechtel Enterprises, the project finance, development and investment arm of the company, with more than $40 billion in projects developed and financed. He was a lead entrepreneur and a founding board member of Genuity, later sold to GTE, and a founding board member of InterGen, a Shell-Bechtel joint venture which grew to a multi-billion-dollar asset. He is a certified public accountant and holds M.S. and B.S.B.A. degrees in Accounting from the University of North Dakota.

Simon Yencken

Simon Yencken joined the board of directors in 2008 and served as chairman from 2011 to 2014. He is currently CEO and co-founder of Fanplayr, which enables online merchants to increase conversions by using Big Data and business intelligence. In addition to Fanplayr, Simon co-founded NextSet Software, which was acquired by Razor Risk Technologies prior to the latter’s acquisition by TMX. He served on the boards of Razor Risk Technologies and TIBCO Software, where he was also CEO of TIBCO Finance. Previously, he was managing director of Reuters Financial Enterprise Systems and a member of the Reuters Group executive committee, and earlier served as general counsel and corporate secretary of Reuters Group. Prior to Reuters, Simon was a partner in Herbert Smith Freehills, a leading law firm in Australia. He holds a Bachelor of Law degree and a Bachelor of Science degree in Mathematics from Monash University.