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About Us

Founded with purpose

Chief Executives can boost leadership capacity and capability, when it is most needed.  
Leaders on Demand was established in 2018 to match your executive team's ambition with scalable resourcing and agile talent. 

Driven by passion

The Leaders on Demand business model was launched by three founders with 70 years’ experience as interim executives leading organisations through turnarounds and holistic transformations.

Our team's passion is helping leadership teams execute big agendas and respond to ever-increasing demands.

Our founders

David Hewish

David Hewish

With international cross-sector experience as CEO, CFO and CRO, David understands the courage and commitment demanded of a leadership team that strives to deliver the full potential of their organisation.

David is known for delivering outcomes by building teams that thrive in adversity and perform under intense scrutiny.

His courageous leadership style and muck-in attitude are the hallmarks of over twenty complex turnarounds with billions of dollars and thousands of jobs at stake. He subsequently qualified as an organisational coach in 2016.

Never shy of jumping into hairy situations and leading tough conversations, David's record is distinguished by the curiosity he inspires to confirm everyone’s role in executing the chosen strategy.

Julia van Graas

Julia van Graas

Authentic, people-centred, and resilient, Julia is trusted by leaders and their teams when they navigate their most challenging issues and strive for ambitious outcomes.
 
She provides insights and perspective that leverage her experience as an advisor, organisational coach, business owner, and interim executive.
 
Julia is known for supporting leadership teams through  restructurings, turnarounds, and transformations.
 
A passion for creating braver leaders and courageous cultures, her strength is in building trust and leading the tough conversations so leaders and teams flourish and reach their full potential.
 
She is a certified Dare to Lead™ facilitator and IECL (l2) coach.
Stewart Winspear

Stewart Winspear

A former Managing Director at both Alvarez & Marsal and AlixPartners, Stewart has led some of the world’s most complex turnarounds and demanding transformations as a chief executive, chief financial officer and chief operations officer.

Prior to this, he was IBM’s Chief Financial Officer in Asia Pacific. He had full responsibility for the financial performance of Business Partner operations in the region with over 13 thousand partners across 15 countries.

Calm under pressure, Stewart is renowned for maintaining an objective focus on the practical response to tackle the dynamics of competing priorities. 

His contribution is frequently sought by teams facing complex situations that demand high-stakes decisions and flawless execution.