Who is Zack Polanski? New Green Party Leader and Eco-Populist Voice

Zack Polanski has officially been elected as the new leader of the Green Party of England and Wales on 2 September 2025, winning a landslide victory over Adrian Ramsay and Ellie Chowns. Known for his bold vision and “eco-populist” politics, Polanski has quickly become one of the most talked-about figures in UK politics. His rise reflects the Green Party’s growing ambition to challenge Labour and present itself as a serious progressive force.

Early Life and Background

Zack Polanski was born as David Paulden on 2 November 1982 in Salford, Greater Manchester. Raised in a Jewish family, he later changed his surname to Polanski at the age of 18.
Polanski studied Politics and International Relations at Aberystwyth University before moving to the United States, where he attended drama school. After returning to London, he worked in different roles, including:

• Theatre performer in immersive projects

• Youth worker and mental health counsellor

• Hypnotherapist helping clients with personal challenges

His diverse career background shaped his ability to connect with people and understand social issues beyond politics.

Entry into Politics

Polanski’s political journey began with the Liberal Democrats, where he stood in elections in 2015 and 2016. However, his strong environmental and social justice beliefs eventually led him to join the Green Party in 2017.

He became well-known for his activism and was soon chosen to represent the party in London politics.

Political Career and Rise in the Green Party

London Assembly Member

In May 2021, Polanski was elected as a Member of the London Assembly (AM). During his time there, he focused on issues such as:

• Climate action

• Affordable housing

• Workers’ rights

• Public transport

He later became Chair of the Environment Committee, where he pushed for stronger environmental protections across London.

Deputy Leader of the Green Party

In September 2022, he was elected as Deputy Leader of the Green Party. During this period, he worked to link climate justice with economic fairness, supporting policies such as:

• Universal Basic Income

• Wealth taxes

• Public ownership of water companies

Leader of the Green Party

On 2 September 2025, Polanski was elected as the Leader of the Green Party, receiving 20,411 votes compared to the 3,705 votes of Adrian Ramsay and Ellie Chowns.
His campaign focused on being “bold” and using eco-populism to expand the Green Party’s support base.

Political Style and Vision: Eco-Populism

Polanski describes himself as an eco-populist, combining green policies with populist messaging. His goal is to communicate climate and social issues in a way that feels personal and urgent to everyday people.

His political priorities include:

• Tackling climate change with urgent policies

• Taxing wealth to fund public services

• Making housing affordable

• Re-nationalizing water companies

• Expanding public transport

Personal Life

Polanski is openly gay and has spoken about his Jewish background and identity. His personal experiences influence his commitment to equality and diversity within politics. He is also active in community engagement and has been praised for his approachable style in debates and interviews.

Achievements and Recognition

• Deputy Leader of the Green Party (2022–2025)

• London Assembly Member (since 2021)

• Chair of Environment Committee, London Assembly

• Elected Leader of the Green Party in 2025 with a record number of votes

His leadership is seen as a turning point for the Green Party, with supporters believing he can push the party into mainstream politics.

Legacy and Future

With the Green Party now holding four MPs in the House of Commons, Zack Polanski’s leadership comes at a crucial moment. His ability to balance bold messaging with practical solutions will determine how far the Greens can grow as a national political force.

Polanski’s eco-populist strategy could attract younger voters, activists, and those dissatisfied with Labour’s cautious approach. However, his critics argue that his outspoken style may alienate moderate voters.

Either way, his election marks a new era for the Green Party, and his leadership will be closely watched in the years ahead.