I love mathematics and hope that each of my students will also appreciate its beauty when they enroll in a course with me. My classroom is a safe, caring and welcoming place for everyone. When asking questions and participating in class no judgements will be made by me.


Adjunct Assistant Professor Diane O'Neill retired after teaching full-time as a high school mathematics teacher for 35 years. She taught at Suffolk part time for 9 years in the 1980's and 1990's and recently returned in the Fall of 2017.

Courses Taught

  • MAT101: A Survey of Mathematical Reasoning
  • MAT111: Algebra II