I am a chemical engineering university professor with more than 40 years of experience and a broad and versatile knowledge of science, technology, and humanism. Also, I have taugth and done research in undergraduate and graduate courses related to chemistry, thermodynamics, physical chemistry, chemical kinetics, catalysis, heavy oils, quality and environmental pollution, research methodology, relations between art and science, and topics about integral education in humanistic, ethical, ecological and social issues. Likewise, I have advised several theses in the mentioned fields. I speak, read and write English and Spanish fluently, and I have written articles, essays, reports , books, and patents in both languages which have been published in recognized journals of the world. In this sense, I offer my professional services as a proofreader, reviewer, translator, researcher and writer of articles, academic essays, reports, rebuttal letters, thesis, books, and other documents .