Our People

Sean Whitaker

Managing Director


Headshot 2103Sean is the driving force behind Crystal Consulting. His extensive international experience in project management, across a multitude of industries such as mining, defence, banking, energy, space exploration, public service and telecommunications, brings a truly global perspective to your business. Sean has published books and papers on the practice of project management and is a world-renowned trainer and presenter. In 2016, he was recognised as one of the Top 123 Global Influencers of the profession of project management. He has been granted the status of Fellow of PMI New Zealand in recognition of significant and sustained contribution to the profession. He is known for his passionate, professional and direct style.







Jane Helm

Administrative Support, Research and Data Analysis


0004a7cJane has 15 years’ experience in providing research support and data analysis to portfolio, programme and project management maturity and capability consulting engagements. Jane has worked with clients all over the globe and brings her critical eye to all of our research and data analysis work.


Dave Wallace

Project Management Consultant


Dave WallaceDavid is a portfolio, programme and project management practice consultant with more than 10 years’ experience. He has worked in the IT field for two decades and also has extensive experience in the energy and government sectors, in both customer and vendor environments. Dave is comfortable and experienced in coaching and working with executive leaders and leading P3M peers in developing and applying practice changes.

 David is well versed in both the Project Management Institute (PMI) and Office of Government Commerce (UK) (OGC) portfolio, programme, and project management standards, and in openly sharing the associated practices and encouraging their use. He is also a certified Scrum master and experienced in adopting agile approaches to project management and product delivery. David is the author of Es Ist Kindergarten Nicht (It’s not Kindergarten): Professional Project Management in Information Technology, available on Amazon and Kindle.