Diana Berg

Diana Olehivna Berg (; born 7 December 1979) is a Ukrainian activist from Donetsk who advocates for human rights. She started the Donetsk pro-Ukrainian movement in 2014 following the Euromaidan. The Platform Tu Space and Tu art-group, which is centered on the center of social changes and the promotion of human rights and freedoms via art and culture.

Early life Diana Berg was born and raised in Donetsk, Ukraine. She studied and worked there as a graphic designer and teacher.

She characterized herself as a typical creative young person disinterested in politics or social movements. However, her perspective shifted on 1 March 2014 when pro-Russian demonstrators gathered in Donetsk's Lenin Square. Taking the lead with her friend Katya, they organized the city's first large-scale rallies, enlisting experts in protest planning to assist them. She obtained a degree in foreign economic activity from Donetsk National Technical University in 2001. In the spring of 2014, she became an activist and started a pro-Ukrainian campaign in her hometown. She had to leave her captured village and made her home in Mariupol.

Career Diana established the Mariupol-based art platform Tu in 2016 and is currently running it from abroad.

Diana Berg directed Platform Tu space and the Tu art-group for six years, overseeing their work in protecting rights. After fleeing from Russian-occupied Mariupol in March 2022 to Kyiv, she adapted operations to the wartime situation, and despite facing a second total loss, Platform Tu continues to provide humanitarian aid, evacuate individuals from occupied areas, fundraise for refugees, and safeguard museums at risk.

Diana coordinated the only Ukrainian program in Kassel during Documenta. Additionally, she co-organized Berlin Pride's Ukrainian column, which is where she coined the slogan "Arm Ukraine now, make pride in Mariupol possible." Tu is carrying out her cultural initiative as well. The Platform Tu team is now working on the "Memoriupol" online homage to Mariupol culture.

In August 2025, during the funeral of Ukrainian serviceman David Chichkan, Berg witnessed and later confirmed that Denis Kapustin, the leader of the Russian Volunteer Corps, had assaulted Ukrainian war veteran Viktor Pylypenko for carrying an LGBT flag to the ceremony.