Great Day Improvements Appoints Grant Davis as CEO
The company named Grant Davis as its new chief executive officer following the departure of Drew Weinfurtner.
Updated on Oct. 30, 2026 in People

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Great Day Improvements has named Grant Davis as its new chief executive officer. This leadership change follows the exit of former CEO Drew Weinfurtner and the retirement of executive board chair Ed Weinfurtner.
Why it matters
The transition marks a significant shift for the company as it moves under new executive leadership. While the Weinfurtners are stepping down from their operational roles, they will maintain their connection to the business as investors and board members.
Grant Davis brings 25 years of industry experience to his new role, following a 12-year tenure at Renewal by Andersen. The leadership transition was officially announced on October 30, 2026.
The players
Grant Davis
He is the newly appointed chief executive officer of Great Day Improvements with two decades of experience in the home building industry.
Drew Weinfurtner
He is leaving his position as the chief executive officer of Great Day Improvements.
Ed Weinfurtner
He is retiring from his role as the executive chair of the board at Great Day Improvements.
Littlejohn & Co.
This private investment firm based in Greenwich, Connecticut, serves as the majority owner of Great Day Improvements.
The details
Grant Davis, who joined Great Day Improvements in 2025 as chief retail officer, has previously led teams at companies including Champion Windows & Home Exteriors and Universal Windows Direct. Littlejohn & Co., a Greenwich-based firm, remains the majority owner of the business.
Timeline
1996: Littlejohn & Co. began its history of investing in middle-market companies.
2025: Grant Davis joined Great Day Improvements as chief retail officer.
October 30, 2026: The company officially announced the appointment of Grant Davis as CEO.
Market Landscape
This leadership transition aligns with the broader strategy of Littlejohn & Co., which has focused on scaling middle-market companies since 1996. The change positions the firm to continue its operational influence while professionalizing the executive suite at Great Day Improvements.
For customers, the transition represents a change in the executive leadership of the home improvement provider. The shift in command does not impact current product pricing or service availability for homeowners.
The takeaway
The appointment of an experienced retail leader reflects a focus on scaling operations within the home improvement sector. Stakeholders should watch for potential adjustments to company strategy as the new leadership takes the helm.
Further reading
Read more about industry leadership transitions on our People section page.
Source note: This article includes information reported by Door and Window Market Magazine.
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