Alexandra I. Costa is an Adjunct Professor at the Chemical Engineering Department of Instituto Superior de Engenharia de Lisboa (ISEL), Polytechnic University of Lisbon, and Guest Assistant Professor at the Faculty of Sciences, University of Lisbon. She holds a degree in Industrial Chemical Engineering from ISEL, a M.Sc. in Technological Organic Chemistry from the Faculty of Science and Technology of the New University of Lisbon, and a Ph.D. in Chemistry (2010) from Instituto Superior Técnico (IST), University of Lisbon. She is President of the Center of Chemical Engineering Studies at ISEL (since 2020), Head of the Organic Chemistry Laboratory and pHarmaLab Laboratory of the Chemical Engineering Department of ISEL From 2014 to 2018, she was a member of the Coordinating Committee for the Bachelor's degree in Chemical and Biological Engineering at ISEL. She teaches curricular units of Basic Chemistry, Laboratory Techniques, Organic Chemistry, Inorganic Chemistry, Integrated Laboratories (Organic Chemistry), Industrial Organic Chemistry, Introduction to Research & Development, and Industrial Processes and was a trainer of chromatographic and particle size distribution techniques in the Training Course for Chemical Analysts from Project 9ºW – Hovione and also provided training to laboratory staff on “Safety and Maintenance in Chemical Laboratories”. Her doctoral thesis, titled “New Nanomaterials for Molecular Recognition” focused on the new synthetic methodologies to obtain selectively functionalized calix[4]arene and their polymerization using binary and ternary Rh (I) catalytic systems. The polymers obtained showed relevant luminescent properties and were used as efficient (quimio)sensors. She has been an integrated research member of the Centro de Química de Vila Real (CQ-VR/UTAD) since 2015. Her main interests and research activities are focused on Supramolecular Chemistry, particularly the synthesis of chemical fluorescent sensors containing calixarenes, and in recent years also dedicated to the use of renewable natural resources for the sustainable synthesis of carbon nanomaterials (carbon-dots), their characterization and application as sensors for biological materials, catalysts, and bioimaging tools. She is co-author of 25 scientific articles, published in international journals with referee, 3 patents, 12 proceedings in conferences, and about 100 panel communications presented in international and national scientific meetings.