Geraldine Woods has prepared students for the SAT, both academically and emotionally, for the past three decades. She also teaches English and directs the independent-study program at the Horace Mann School in New York City. She is the author of more than 50 books, including English Grammar For Dummies, 2nd Edition; English Grammar Workbook For Dummies, 2nd Edition; Grammar Essentials For Dummies; Research Papers For Dummies; College Admission Essays For Dummies; AP English Literature & Composition For Dummies; and AP English Language & Composition For Dummies, all published by Wiley. She lives in New York City with her husband and two parakeets.

Peter Bonfanti has taught high school math in New York City since 1996. Before that, he lived in Pennsylvania and was a monk. Before that, he went to school in New Jersey, where he was born and hopes to return someday.

Kristin Josephson survived the college admissions process only to drop out of MIT 16 months later to attend circus school in San Francisco. While there, she studied flying trapeze, trampoline, and acrobatics. Kristin discovered her passion for teaching while she was tutoring in the Bay Area, a passion that led her to complete her degree at Colorado College. Kristin eventually landed at the Horace Mann School, where she has been teaching high school mathematics since 2007.