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William Winstone

William’s early passions were golf and tennis, sports that still actively engage him today. After a business degree and early retail career with John Lewis, he developed a successful psychotherapy and sports psychology practice, whilst being head coach of a north London tennis club.

In 2006 he returned to business and joined forces with Jonathan as a director of Mezzana Partners, focusing on team and leadership development, and executive coaching. William is experienced in leading firm-wide transformational leadership programs in diverse businesses, including banks, asset managers and professional services to develop the organization’s culture and each leader’s personal impact. His 1-1 coaching builds the leader’s ability to lead themselves, their teams and their whole organization. This focuses on their leadership strengths and unique approach, as well as addressing potential blind spots.

As team psychologist with GB Para Rowing since 2010 and Essex Cricket 2015-2021, he has supported two of GB sports highest performing teams during their most successful eras. He applies the same approach to business teams and leaders to develop the self-awareness and emotional intelligence that they need to thrive in their working lives.

William is an APECS accredited executive coach. He’s also a qualified coaching supervisor, and loves helping coaches develop and increase their client impact.

“Our work with Mezzana has really energised the senior team, driving increased collaboration and improving the speed and quality of our decision making.”

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