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César Tomás Arce Rivas

Born in 1954. National of Paraguay. Retired Director General, Office for National and International Cooperation and Institutional Strengthening of the National Anti-Drug Secretariat (2012-2020); Professor of Organic Chemistry, Faculty of Exact and Natural Sciences, National University of Asunción (since 1993).

Doctorate in Forensic Chemistry, Center for Forensic Medicine, Medical University of Vienna (1988-1990); Bachelor of Science in Chemistry, Faculty of Exact and Natural Sciences, National University of Asunción (1971-1975).

Previously held positions as Deputy Executive Secretary, National Anti-Drug Secretariat (2008-2012); Laboratory Director, National Anti-Drug Secretariat (1987-2007); Professor of Organic Chemistry I and II, Catholic University, Ciudad del Este, Paraguay (1996-2008); intern, laboratories of the Federal Police of Germany (1990).

Author and co-author of and contributor to numerous publications, including "Drug policy, strategy and action plan on drugs of Paraguay" (2016) and "Study of the interrelation of cannabinoids in marijuana and determination of the storage and harvest time of a marijuana sample, by means of the cannabinoid relation".

Member of the delegation of Paraguay to the sixtieth session of the Commission on Narcotic Drugs (2017); meeting of drug control and drug administration organizations for the implementation of prevention and treatment courses and the strengthening of health systems, Inter-American Drug Abuse Control Commission of the Organization of American States, held in Cancún, Mexico (2017); 12th Specialized Meeting of Drug Enforcement Authorities, Southern Common Market (MERCOSUR), held in Buenos Aires (2017); preparatory meeting for the special session of the General Assembly on the world drug problem, held in Vienna (2016); special session of the General Assembly on the world drug problem, held in New York (2016); biregional high-level meetings of the European Union and the Community of Latin and Caribbean States on the problem of drugs, held in Buenos Aires (2017), The Hague (2016), Montevideo (2015), Athens (2014) and Brussels (2012); South American Council on the World Drug Problem, Union of South American Nations, Asunción (2012) (President pro tempore); Specialized Meetings of Drug Enforcement Authorities, MERCOSUR, Asunción (2015 and 2009) (President pro tempore); Twenty-fourth Meeting of Heads of National Drug Law Enforcement Agencies, Latin America and the Caribbean, held in Asunción (2014) (Chair); international meeting of executives for the control of precursors and essential chemical substances, held in Santiago (1998); tenth, fifteenth, sixteenth and seventeenth international seminars of forensic chemistry, Drug Enforcement Administration, Washington, D.C. (1987-1995); Meeting of Auditors and Evaluators of the Control of Narcotics and Psychotropic Substances in Public Health, Santiago (1992).

Member of the International Narcotics Control Board (since 2020) [1]. Member of the Standing Committee on Estimates (2020-2021). Second Vice-President and Chair of the Standing Committee on Estimates (2022). First Vice-President (2023).