A seasoned educator with two doctoral degrees (PhD in Mathematics, Doctor of Arts in Mathematics) and 44 years of teaching experience. Specializes in a wide range of mathematics courses, from arithmetic and algebra to advanced topics like Abstract Algebra and Complex Analysis. Has taught at over 20 universities, primarily in online modalities, and served as an AP Calculus exam grader. Published numerous research papers on approximation theory, orthogonal polynomials, and number theory. Recipient of multiple grants and fellowships, including from the Italian National Research Council. Proficient in integrating technology into teaching and has extensive experience in curriculum development for both undergraduate and graduate programs.