Michael Chaney to Retire as Wesfarmers Chair Thursday
The veteran executive will step down on 29 October 2026 after serving for 11 years as the chair of the conglomerate.
Updated on Oct. 28, 2026 in Business Strategy

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Michael Chaney is set to conclude his 11-year tenure as chair of Wesfarmers on 29 October 2026. Ken MacKenzie has been appointed to succeed him at the helm of the $85 billion Australian conglomerate.
Why it matters
Chaney's departure marks a transition for a firm that has reshaped its portfolio through strategic moves like the 2018 Coles spin-off and various acquisition attempts. The leadership change comes as Wesfarmers continues its focus on generating long-term shareholder returns through disciplined capital allocation.
Wesfarmers commands a market value of $85 billion, notably navigating a major transition after spinning off Coles in 2018 which removed 40 percent of its business. The company also maintains a significant workforce, having paid 100,000 employees throughout the pandemic.
The players
Michael Chaney
The veteran executive is retiring after an 11-year term as chair and is also scheduled to leave his role as Northern Star Resources chair next month.
Ken MacKenzie
He is the incoming chair of Wesfarmers tasked with leading the $85 billion conglomerate forward.
Wesfarmers
This major Australian conglomerate operates various businesses and has been listed on the ASX since 1984.
Lynas
This company is a rare earths producer that currently holds a market value of $12.6 billion.
Coles
This major retail chain was formerly part of the Wesfarmers group until it was spun off in 2018.
The details
During his tenure, Chaney oversaw significant corporate maneuvers including a 2019 takeover proposal for Lynas at $2.25 per share. His leadership legacy also includes navigating the challenges of the failed Bunnings expansion into Britain, which incurred a $1.5 billion loss.
Timeline
1983: Michael Chaney joined Wesfarmers.
Late 1984: Wesfarmers listed on the ASX.
2018: Wesfarmers spun off Coles.
2019: Wesfarmers attempted to acquire Lynas.
29 October 2026: Michael Chaney retires as Wesfarmers chair.
Market Landscape
The leadership succession follows the structural evolution of the firm initiated by the 2018 spin-off of Coles. This transition positions the conglomerate to continue its trajectory of disciplined capital allocation against a backdrop of historic portfolio adjustments.
For shareholders and stakeholders, this transition represents a change in the highest level of governance for an $85 billion entity. Investors will be watching how the new leadership influences capital allocation and future acquisition strategies.
The takeaway
The retirement of a long-standing chair often signals a period of strategic reassessment for large conglomerates. Investors should monitor upcoming board statements for clues regarding whether the company will maintain its current capital allocation discipline or shift towards new targets.
What happens next
Michael Chaney is scheduled to surrender his role as chair of Northern Star Resources next month.
Further reading
For more on shifting corporate structures, visit Australia Business Strategy.
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