Karen Wohnrath received her B.Sc. degree in Chemistry from the Universidade Federal do Paraná in 1992, followed by an M.Sc. from the Universidade Federal de São Carlos in 1995, and a Ph.D. from Universidade Estadual Paulista Júlio de Mesquita Filho in 1999. She carried out postdoctoral research at the Instituto de Física de São Carlos and later at Monash University, Australia. She is currently an Associate Professor at the Universidade Estadual de Ponta Grossa and leads the Research Group on the Development of Modified Electrodes (GDEM). Her research interests include inorganic synthesis, electrochemistry, surface physical chemistry, and the development of nanostructured materials and modified electrodes for biosensing and bioactive compound interaction studies.