Richard Rusczyk is a prominent mathematician and educator known for his work in mathematics education. He is the founder of Art of Problem Solving, a company that provides resources and online courses for students interested in advanced mathematics and problem-solving skills. Rusczyk has a strong background in competitive mathematics, having participated in various math competitions during his youth. In addition to his role at Art of Problem Solving, Rusczyk has authored several books and materials aimed at helping students develop their mathematical thinking. He is passionate about promoting a deeper understanding of mathematics beyond standard curricula, encouraging students to engage with challenging problems and foster a love for the subject.