Ph.D. computer scientist and former university professor with expertise in teaching Logic, Precalculus, Discrete Mathematics, Data Structures, Algorithms, Programming, and Theory of Computation.

Rafael Coelho served as my instructor in several courses at the Federal University of Pampa (UNIPAMPA), including Graphs, Computability, and Competitive Programming. His teaching style is notably straightforward and easily understandable. Rafael consistently demonstrates a deep concern for student learning, readily clarifying and reinforcing his explanations as needed. He is exceptionally well-prepared, displaying a profound mastery of the subject matter discussed in class. Moreover, Rafael engages students with problems that are not only relevant but also significantly contribute to their learning journey. These challenges are expertly designed to prepare students for the various obstacles they may encounter in their professional and academic careers.

I met Professor Rafael during my graduation in the following courses: Computability, Graph Algorithms, and Competitive Programming. He was an excellent teacher with an immense amount of knowledge. I never had a question that he couldn't answer. However, whenever a student asked a question he was unsure about, he would research it and bring the answer to the next class. His lectures were outstanding; he presented concepts with examples that were easily understandable. Additionally, he was very patient, ensuring he explained concepts until everyone understood what he was teaching. His lectures were filled with visual representations and easy-to-understand examples. He always instigated our curiosity.

Rafael was my professor in the Programming Challenges course at the Federal University of Pampa, in Brazil. He is one of the most intelligent people I have ever met, and in addition to his theoretical knowledge, he has excellent teaching skills. Professor Rafael, you are still my reference in programming; thank you for all the teachings. One curiosity about him is that he is extremely passionate about computer theory.

Rafael was my professor for Algorithm in Graphs, Computability, and Competitive Programming during my undergraduate studies. He is an excellent teacher, explaining concepts clearly and ensuring everyone understands well. I recommend Rafael because his teaching style is great. He simplifies difficult subjects and builds a solid foundation for learners.