This beautiful math teacher is getting ready for the first day of the new school year. She teaches a class of high school students, so her students are no stra/5(). Mar 23, · Pietro Boselli, dubbed “The World’s Hottest Math Teacher,” has signed a modeling contract with Armani! According to People, the University College London professor just landed a deal as the face of Giorgio Armani‘s athletic line EA7. In case you unfamiliar, Pietro went viral last year after. The 'world’s hottest math teacher' has a PhD in engineering and models for Armani. world's hottest math teacher" by as a hot math teacher went.