John Moscatiello has been a teacher, tutor, and author for the past 17 years. His career began at the Princeton Review, where he taught the SAT, ACT, SAT Subject Tests, AP Exams, ISEE, SSAT, SHSAT, GRE, GMAT, LSAT, MCAT Verbal, and TOEFL. John has trained hundreds of teachers, written content for 13 test preparation books, and worked as a college admissions consultant. He starred in more than 200 educational videos for the Princeton Review’s SAT, ACT, and GRE self-paced courses. John’s academic career began as a Spanish major at NYU, where he used AP credits to graduate a full year early. He then pursued graduate degrees in history from Fordham and Notre Dame, where he taught undergraduate students. He was a Fulbright scholar to Spain in 2012. John’s academic work has been published in both English and Spanish.
Alayna Vernon is the daughter of a college professor and middle school math teacher, so it is no surprise that Alayna has chosen to be involved in the education industry. Alayna has been a tutor for the past 14 years and an instructor for the past 5, specializing in math, science, and language arts subjects for high school students. In her senior year at the University of South Florida, Alayna was invited to teach at the Princeton Review, where she taught test preparation for the SAT, ACT, PSAT, AP Exams, SSAT, GRE, and GMAT. Alayna has also been seen on-screen as a life-style model for the last 10 years and enjoys marrying this passion with that of teaching. Alayna brings her love for her students and her perspective as a mother of four with her every moment that she teaches, whether it is in the classroom or on the set of Marco Learning.
Michelle Krummel has taught AP® math courses for the past 16 years, including AP® Statistics, AP® Calculus AB, and AP® Calculus BC. She currently teaches AP® Calculus BC and IB Mathematics Standard/Higher Level in Charlotte, North Carolina. Although her YouTube channel features a plethora of calculus tutorials, she is most widely known for her LaTeX videos. She is an advocate for the use of technology in the classroom and enjoys providing staff development for Canvas and other technological resources. Michelle has a B.A. in Mathematics from George Mason University, a M.S. in Mathematics Education from Towson University, and a M.S.Ed. in Educational Studies from Johns Hopkins University. In her spare time, she enjoys dabbling in digital photography, listening to audiobooks, and playing video games in VR.