"Graduate in Chemical Sciences (University of Salamanca, Spain, 1969).
Ph. Dr. in Sciences (University of Salamanca, Spain, 1972).
Qualified in Deep Studies (D.E.A.) on Pedology (Université Nancy I, France).
Director of fifteen Doctoral Theses.
Director of eleven works (Grado de Licenciatura) of Degree qualifications.
Pre-doctoral Fellowship of the Spanish Ministerio de Educación y Ciencia (1969-72).
Postdoctoral Fellowships from the Spanish C.S.I.C. (1973-74, France), from the U.S. Fulbright Commission (1976), from the Royal Society of London (1980 & 1991), from the I.N.I.C. of Portugal (1988 & 1989), from the Swedish Institutions (1989), from the CONICET of Argentina (1989, 1994, 1996, & 2004), from the Polish Academy of Sciences (1990, 1996, 2001), from the Slovakian Academy of Sciences (2002), and from the Mexican Embassy (2001, 2003, 2005, 2007, 2011, 2013, 2014 & 2015). Institutional co-operations with the French C.N.R.S., the Italian C.N.R.,the Argentina Agreement (Spanish Foreign Ministry), and the Prometeo Programme in Ecuador (2012 & 2014).
Past Assistant Professor of the University of Salamanca (1970-78).
Past Director of the C.E.B.A./I.R.N.A. Institute at Salamanca, Spanish C.S.I.C. (1987-89).
Past Vice-director of the I.E.T./C.S.I.C. Institute at Salamanca (1991).
Past Colaborador Científico (Staff researcher) of the Spanish C.S.I.C. (1975-1990).
Past Member of the Social Council of the University of Salamanca (1986-90).
Past President of the Soil Biology Section of the S.E.C.S., Spanish Soil Science Society (1986-93).
Past President of the SiFyQA (Latin-American Society of Environmental Physics & Chemistry; 2005-11). Now Executive Secretary of the SiFyQA (2011-).
Past Staff Scientist (Investigador Científico) of the Spanish C.S.I.C. (1991-2007).
Past Professor (Professor Titular Universidad) of the University ('exceeding').
Past Senior Scientist (Prf. de Investigación) of the Spanish C.S.I.C. (2007-2015).
Past Ad-Honorem Prof. of the Spanish C.S.I.C. (2015-16).
Author or co-author of more than 280 scientific papers in Spanish and international journals on soil genesis, soil organic matter (humus), bio-geochemical cycles, environmental bio-geochemistry, and forest ecosystems.
Member or past member of the Spanish and international scientific societies (I.U.S.S., I.H.S.S., I.S.E.B., S.C.A., S.L.A.C.S., S.i.F.yQ.A., etc.).
Referee of international journals (Elsevier, Springer, & Wiley groups), and of European & LatinAmerican Projects, dealing with Soil Science, Environment, & Agriculture topics.
Secretary of organisations and/or chairman of workshops and international Congresses (XII C.L.C.S., Latin-American Soil Science Society, ISEB XI, International Symposia on Environmental Biogeochemistry, and IV CIFyQA, Latin-American Society of Environmental Physics & Chemistry).
Invited lecturer in different courses and conferences in Spain and Latin America.
Awards of the Spanish Ministry of Agriculture, of the Provincial Agrarian Chamber (Cámara Provincial Agraria) of Salamanca, and Award FERTIBERIA to the best Doctoral Thesis on Agronomy (1998).
Scientific leader or participant in about fifteen research projects supported by provincial governments, Spanish institutions, and seven international Projects from European programs (STEP, ENVIRONMENT, AIR, COST, TERI, INCO and other COST Actions).
Seven ‘quinquenios’ & seven ‘sexenios’ recognized from the Spanish Agencies." 
