Online Staff

Hillary Mahoney



  • Bachelor of Science degrees in Actuarial Science, Mathematics, and Statistics

  • Experience as a math and stats tutor at Central Michigan University

  •  Experience tutoring students online with Varsity Tutors

  •  Master's of Science degree in Data Science from Northwestern University

Jim Gaffney

Jim Gaffney.jpg


  • 26 years of classroom teaching experience

  • Grade 7th - Precalculus math classes

  • AP Computer Science