
Welcome to Maranga
Leadership development that your people, and the planet will thank you for
I support leaders to grow into the person they need to be in complex changing times
Case Studies
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Developing Leaders Programme, Cawthron Institute
A six-month programme for Aotearoa’s largest independent science organisation, supporting ten mid-level leaders to strengthen their leadership and contribute to science impact.
Includes monthly hui, workbook and resources, psychometric profiling, 360 feedback, peer learning, and 1:1 coaching.
“Excellent programme. The facilitator was skilled, organised, and created a safe space to explore challenging work relationships.”
— Scientist, leader, cohort one.
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Climate Leadership Coaching
One-to-one or small-group coaching that tackles what really matters in your leadership—from a climate-conscious perspective. Flexible, supportive, and challenging. Typically an hour a month for six months, or as needed.
“Jon helped me chart a powerful path forward. We all have the capacity—and responsibility—to lead. Working with him is a joy.”
—Martha Jeffries -
High Performing Teams Leadership Programme
A powerful blend of personal leadership development and high-performing teamwork, designed for practical leaders in the Ag sector. Over nine months, we spend seven days in the hills doing deep, actionable work—based in ski lodges or school camps. Delivered by a top facilitation team.
“A great programme—challenging, deep, and expertly delivered. Thank you.”
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Climate Leadership Development Programme
In partnership with the Nelson Tasman Chamber of Commerce, we’re launching the region’s first programme focused on developing climate-responsive organisational leaders.
Over six months, participants will explore key topics including climate science, risk and opportunity, aligning purpose with action, leading change, strategy development, and avoiding greenwash.
Designed for those ready to move from status quo to visionary.
Launching Q3 2025. -
Outward Bound Leadership Development
I’ve worked with Outward Bound Aotearoa for over 20 years—as instructor, manager, and now facilitator of their professional leadership programmes and internal leadership team.
Currently, I’m supporting the organisation to explore climate-responsive leadership in ways that are both research-informed and deeply practical.
“Jon is a trusted partner in leadership development and climate leadership design.”
—Malindi MacLean, Tumuaki Chief Executive -
Collective Intelligence Facilitator
At Collective Intelligence, I facilitate cross-sector leadership teams—from farming to fintech, health to education—who grow by learning together.
My role is to harness the group’s diverse strengths so everyone walks away a little transformed, every time.
“Jon builds deep connection, gets great results, and owns his fuck-ups. An exceptional facilitator.”
—Harv, Founder, Collective Intelligence -
Leadership Team Coaching
When team members are at different stages in their leadership, we use The Leadership Circle 360 and monthly coaching to support individual growth.
This can stand alone or lead into whole-group work to build shared direction and commitment.
In recent work with Nelson’s oldest law firm, I partnered with a younger female coach to offer choice and balance.
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Outdoor Leadership Day, Bayleys Marlborough
Each year, Bayleys agents head into the Marlborough hills for a leadership day focused on resilience, tough conversations, performance under pressure, and leading culture.
It’s fun, challenging, and builds real connection—and has become a key part of Bayleys’ leadership calendar.
“Jon and Nir helped us surface real challenges and grow through them.”
—Tim O’Malley, Performance and Culture Manager -
Leadership Development Jason Gardiner Builders
What started as coaching for a builder-turned-owner has expanded into company-wide culture work. I now support foremen developing frontline leadership—helping them shift from “on the tools” to seeing the bigger picture.
“Jon understands us and has helped grow our leadership and team culture. We consider him part of our team.”
—Pam Gardiner, Business Owner