Was the first Ukrainian to graduate from the Blavatnik School of Government at the University of Oxford. During her studies at Oxford, she was president of the Ukrainian Society of the University of Oxford.
After returning to Ukraine, she created the initiative Yellow Blue Strategy, which implements cultural and educational projects in the spheres of cultural diplomacy, wellbeing policies, educational opportunities abroad and the economic development of Ukraine. Yellow Blue Strategy has also produced documentary films in collaboration with Clover Films.
Yasko was producer on the film 'Crimea: Russia's Dirty Secret', which was aired on the TV channel Aljazeera in 2019. The film was also shown in Ukraine. She was also the producer on a series of documentary films on the history of the KGB, which were aired on the European TV channels ZDF and ARTE.
In 2017 Yasko worked at the UK Department for Digital, Culture, Media & Sport (DCMS). There she conducted research and developed government policies to improve access to education in the arts for vulnerable populations in the UK.
Yasko studied at the Faculty of Philosophy of Taras Shevchenko National University of Kyiv, and received a bachelor's and master's degree with honours in Political Sciences.
In 2014 she gained a master's degree with distinction in Political Sciences from Taras Shevchenko National University of Kyiv.
Since August 2019 Yasko has been a member of the Ukrainian Parliament, elected in the parliamentary elections of 21 July 2019 as number 15 on the list the 'Servant of the People' Party.
A member of the Verkhovna Rada Committee on Foreign Policy and Interparliamentary Cooperation, Chairperson of the Subcommittee on Interparliamentary Cooperation, Bilateral and Multilateral Relations, and permanent member of the Delegation of the Verkhovna Rada of Ukraine to the Parliamentary Assembly of the Council of Europe.
A member of the Verkhovna Rada of Ukraine's Vote-Counting Commission.
She is Chairperson of the APPG 'Happy Ukraine', created with the aim of promoting the development of a happy Ukrainian society. The APPG unites the efforts of State and local government and the public sector in order to establish public dialogue, prosperity, a sense of security and faith in the future.
Yasko is also a member of interparliamentary cooperation groups with Japan, the USA, the UK, Saudi Arabia, Switzerland, France, and Turkey.
She actively interacts with civil society experts and organises expert discussions on potential inter-parliamentary cooperation and in PACE. Yasko participated in 15th Kyiv Dialogue conference, in the form of open dialogue with the participation of the Ambassador of Germany to Ukraine, members of the Verkhovna Rada and the European Parliament.
She supports the development of Roma communities in Ukraine and the protection of their rights as an ethnic minority.
Yasko has authored the following draft laws: On the principles of sanctions policy (5191), amendments to the Criminal Procedural Code (5192) and the Criminal Code of Ukraine (5193); On the policy of non-recognition (5165) and amendments to the Criminal Code of Ukraine (5166); On assistance to people from non-democratic countries (5194) and amendments to the Tax Code of Ukraine (5195).
She is co-chair of the APPG 'Ukraine 603,700'. The APPG aims to unite the efforts of public authorities, local governments and the public sector in order to support the territorial integrity of Ukraine, and the rights and freedoms of Ukrainian citizens in the occupied territories.