Oleksandr Syenkevych was born on February 4, 1982 in Mykolaiv, Ukraine.

He has a Master’s degree in Computer Science and a PhD in Economics.

In 2014 before his mayorship to take an active part in Mykolaiv city life he founded the NGO «Golos gromady» (The Voice of Community). He advocated transparency and openness of government activities. As the head of the organization, he blocked tens of ridiculous city budget expenditures. He supported and advised people on the creation of Housing cooperatives.

On November 24, 2015, he was elected as Mykolaiv City Mayor and became the youngest mayor of the regional centre of Ukraine. On November 22, 2020, he was elected as Mykolaiv City Mayor for the second time.

Oleksandr Syenkevych is a member of the board of the Association of Ukrainian Cities and a signatory of a joint initiative of the EU & UNDP The Mayors for Economic Growth (M4EG).

In 2016 he was elected as a vice-chairman of the Committee on Current Affairs at the Congress of Local and Regional Authorities of the Council of Europe.

As a mayor, Oleksandr Syenkevych has initiated the Public Budget program in the city that allows inhabitants to create their projects and take part in the development of the city. Thanks to this program, Mykolaiv residents have implemented about 150 projects all over the city, including cultural and educational events, as well as public spaces.

The mayor has created the public expert council, which includes various institutions of civil society. It is an advisory body that participates in the creation of the development programs and strategic documents of the city.

With the beginning of the full-scale invasion of the Russian Federation into the territory of Ukraine, Oleksandr Syenkevych has become the head of the city, which has been in the front zone. He has organized the work of the executive bodies of the city council in martial law. Today, all municipal utilities are working in an intensified mode: in addition to ensuring the city life, the utilities help the military to build fortifications in the city and beyond, and participate in the elimination of the bombing consequences.

During the time of the Russian invasion, Mykolaiv has signed partnerships with eleven European cities. Moreover, the city has signed a partnership with the Kingdom of Denmark which takes the patronage over the city’s recovery. All the partners support Mykolaiv and send to the city different humanitarian aid. 

Oleksandr Syenkevych represents Mykolaiv local authorities in the UN4UKrainianCities project led by UNECE and funded by the Ministry of Economic Cooperation and Development of Germany. The city is working on the new Master plan and preparing for the rebuilding process.