Antoni Castells i Oliveres (Catalan: [kəsˈteʎs]; born September 24, 1950) is a Spanish politician. He is considered one of the most prominent members of the Catalanist wing of the Socialists' Party of Catalonia.^[1][2]

Antoni Castells
Minister of Economy and Finance of the Generalitat de Catalunya
In office December 17, 2003 – December 29, 2010
President	Pasqual Maragall (2003-2006) José Montilla (2006-2010)
Preceded by	Francesc Homs i Ferret
Succeeded by	Andreu Mas-Colell (as Minister of Economy and Knowledge)
Personal details
Born	(1950-09-24) September 24, 1950 (age 73) Barcelona, Barcelonès, Spain
Nationality	Spain
Political party	PSC
Residence	Barcelona

Castells is married and has two children. He lives in Barcelona. He received an Economy degree and a PhD at the University of Barcelona.^{[citation needed]}

He is a lecturer in Public Revenue at the UB. He has been a visiting professor at the Johns Hopkins University of Baltimore (1993) and director of The Institute of Economy of Barcelona until, November 2003.^{[citation needed]}

He has written many books about the topics which he is specialized: fiscal federalism, autonomous and local revenue, regional economy and the economy of the welfare state.^{[citation needed]}

He has been working in the Study Service for the Banca Catalana (until 1983), and member of Audit Office of Catalonia (1984–1989), member of the Catalan part of the Mixed Committee of State-Generalitat Assessment (1989–1996), member of the Catalan Parliament (1992–1994) and Spanish member of the European Court of Auditors (1994–2000).^{[citation needed]}

Currently Secretary of the Economy of the PSC Executive Committee.^{[citation needed]}