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At Sigmoid, we believe that sustained business growth and innovation comes from developing a collective sense of purpose; being able to tap into the creativity of people throughout the organization, and from allowing those within the organisation to bring their ‘whole selves’ through the door each day. Click the tiles below to read more about our key areas of expertise:
Barbara McKerrow
I learned more about great leadership and high-performance teamwork in one session with Harold than through any other professional training I have experienced in my career. Harold brings a unique combination of practical tools, inspirational storytelling, genuine engagement, and honest, wise counsel. Working with Harold revolutionised my personal approach as a leader. I owe him a great deal.
CEO, Wellington City Council | Former CEO, NPDC
Andrew Thorburn
"Harold has been a significant mentor of mine for over a decade. He is strategic, insightful, caring, a great listener and extremely knowledgeable about people and change. He has an amazing personal story which everyone should hear."
Former CEO of National Australia Bank & Bank of New Zealand
Sanjay Khosla
Harold is an inspirational coach and helps transform teams and companies. As my leadership coach, Harold had a profound impact on my professional journey.
Senior Fellow, Kellogg School of Management, Northwestern University, USA | Former President, Kraft International
Charlotte Roberts, Ph.D.
If you need an exceptional team, not a collection of individual stars, Harold Hillman will coach your executives into an aligned force of leaders. If you desire stronger commitment from each team member, Harold will inspire them to reach for their highest potential. Harold Hillman will guide you to extraordinary performance.
Chief Executive, Blue Fire Partners | Co-Author of Best Seller: The Fifth Discipline
