Member of NLP, Sebastian Vladescu becomes after the parliamentary elections of October 1996, Secretary of State at the Ministry of Industry and Trade (January - June 1997), being responsible for the financial department, hiring payments including subsidies and transfers, and the representative of the Ministry of Industry and Trade negotiations with the IMF and the World Bank.
In 2000 he was appointed in parallel as Chairman of the Board of Trustees of AVAB, Chairman of the Romanian Chamber of Auditors, member of the Interministerial Commission for Guarantees for External Loans at Eximbank, member of the Privatization Commission of BCR and the Board of Directors of CEC, fulfilling all these functions until January 2001.
Following the reorganization of the Ministry of Economy and Finance, Vladescu was appointed the Secretary of State for International Relations and Treasury.
In the summer of 2007, he came into conflict with Minister Varujan Vosganian because he claimed that the budget did not have the financial resources to increase pensions, posing a danger to macroeconomic stability.
[3] Vosganian said the funding for increased pensions will be provided by additional budget revenues, driven by economic growth.
In August 2011, Sebastian Vlădescu became a consultant for Roșia Montană Gold Corporation, the Romanian subsidiary of Gabriel Resources, which intends to carry out the Roșia Montană gold mining project, a project contested by a large part of civil society.
The bail procedure was recently introduced in the Romanian penal code and represents an alternative to preventive arrest.