Ostap is a Member of Ukrainian Parliament 2015-2019, an ex-Secretary of the Committee of environmental policy, natural resources and liquidation of consequences of Chornobyl nuclear disaster. He also was a Member of Executive Board of Interpol Forestry Crime Working Group, 2018-2019. Ostap served as a Member of Steering Committee of European Union Project on support of approximation of Ukrainian legislation to EU standards in environmental field APENA, 2015-2019.
Ostap has Global MBA Degree at IBR Steinbeis University Berlin, Master at International Economic Relations at Ivan Franko National University of L’viv. He successfully completed Executive Course on Oil, Gas and Mining Governance at University of Oxford.
Ostap also is a Member of the Board of NGO «National Interests Advocacy Network ANTS«, which unites former Parliament and Government decision-makers, experts and practitioners, who are dedicated to protect the Ukrainian National Interests.
Ostap organized and coordinated successful advocacy campaigns to adopt and implement major environmental laws On Environmental Impact Assessment, On Strategic Environmental Assessment, On Water Management, which were in full compliance with EU legislation.