Kleber Del Claro is a Brazilian scientist and professor whose research focuses on behavioral ecology and the ecology of interactions. He is very well known in Brazil and in Latin-speaking countries for his books on Animal Behavior and the courses he makes available for free on social media. The author served twice as president of the Brazilian Society of Ethology (Sociedade Brasileira de Etologia), and is a highly regarded professor and advisor, sought after by his students. He has supervised 78 Master's students, 27 PhDs, 17 post-docs, and over 80 undergraduate students in scientific initiation projects. Kleber is a member of the National Council for Scientific and Technological Development (Conselho Nacional para o Desenvolvimento Científico e Tecnológico), known as CNPq, holding the highest level of recognition, 1A (Senior Researcher). He has been a Full Professor at the Federal University of Uberlândia (Universidade Federal de Uberlândia) since 1992. With over 245 publications (the majority with his students) and several international books, including the organization of an encyclopedia for UNESCO, the author states that his greatest interest is to serve through education. He firmly believes that the collective "we" should always take precedence over the individual "I." In his view, the pursuit of being better and more useful in our daily lives—by serving science, education, and the community—should guide our life journeys.