Castellanos Serra obtained her Doctorate in Chemistry in 1978 from U. of Paris XI (France), and in 2008 her 'Habilitation'. She is one of the founders of Cuban Biotechnology, first at the Center for Biological Research, and next at the Center for Genetic Engineering and Biotechnology in Havana, as group leader in Protein Chemistry and Proteomics, Div. of Phys. Chem. and Snr Prof., Fac. of Chem. Engg. and the Fac. of Chem. at the U. of Havana. Her main contributions are in the field of development of new methods in Protein Chemistry and Proteomics. She also trains and advises young scientists in the craft of scientific publishing. Her honours include: Cuban Natl Prize in Chemistry; Natl Award in Sciences Carlos J. Finlay; Natl Forum on Sci. and Techn. Award; and Sophia Kowalewskaya Award (USA). She has been incorporated into the Cuban Directory of Relevant Professors of XXth Century.