Elizabeth Turnbull Henry Resigned from Environmental League
The president has stepped down from the Boston-based organization after nearly a decade of service.
Updated on Sept. 29, 2026 in People

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Elizabeth Turnbull Henry has resigned as president of the Environmental League of Massachusetts after leading the group for nearly ten years. Casey Bowers, who has been with the organization for eight years, has been named interim president.
Why it matters
The leadership transition marks a significant shift for the environmental advocacy group, which manages a $5 million annual budget and engages a 35-member corporate council. The board is now initiating a search for a permanent successor to guide the group's efforts in bridging environmental policy with climate-tech economic benefits.
The Environmental League of Massachusetts operates with an annual budget of approximately $5 million and currently employs 25 staff members, up from seven at the start of Henry's tenure. Its corporate council includes 35 member companies.
The players
Elizabeth Turnbull Henry
She is the outgoing president of the Environmental League of Massachusetts who led the organization for nearly a decade.
Casey Bowers
She is the newly appointed interim president of the Environmental League of Massachusetts who has been with the organization for eight years.
Environmental League of Massachusetts
This Boston-based non-profit focuses on climate policy and economic benefits for climate-tech industries.
Blue Horizons Foundation
This is an organization that has appointed Elizabeth Turnbull Henry as its new executive director.
The details
Henry is departing the organization to serve as the executive director of the Blue Horizons Foundation. Interim president Casey Bowers, a veteran of the group, has stated her intention to apply for the permanent role while the board evaluates external candidates.
Timeline
Elizabeth Turnbull Henry announced her resignation in September 2026.
Market Landscape
The transition reflects the group's long-standing strategy of building bridges with the business community by prioritizing the economic benefits of climate-tech industries. This approach aligns the organization with regional trends that favor integrating green technology into broader state economic policy.
The leadership change is unlikely to impact day-to-day operations for donors or corporate partners in the immediate term. However, the appointment of a new permanent president may eventually influence the organization's specific advocacy priorities and engagement with the Boston business community.
The takeaway
Leadership transitions in advocacy groups often signal a shift in strategic focus as boards look to align organizational goals with changing economic environments. Stakeholders should monitor upcoming board decisions to determine how future policies may impact climate-tech initiatives in Massachusetts.
Further reading
For more updates on regional organizational shifts, visit the People section.
Source note: This article includes information reported by The Boston Globe.
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