Associate Dean of Science, UNSW

Chris Tisdell is Associate Dean, Faculty of Science at UNSW Australia who has inspired millions of learners through his passion for mathematics and his innovative online approach to maths education.

With an online classroom of 50,000 students and 10 million downloads, Chris's YouTube channel is a virtual classroom that is the top-ranked learning and teaching website across Australian universities on the education hub YouTube EDU.

His free online etextbooks are some of the most popular mathematical books of all time, with more than 10 million readers.

A champion of free and flexible education, he is driven by a desire to ensure that anyone, anywhere at any time, has equal access to the mathematical skills that are critical for careers in science, engineering and technology.

Chris has collaborated with industry and policy makers, championed maths education in the media and constantly draws on the feedback of his students worldwide to advance his teaching practice.

In 2014, Chris received an Australian Award for University Teaching from the OLT for his educational innovation and leadership. Chris is a Fellow of HERDSA, a Fellow of the Australian Mathematics Society, a Chartered Mathematics Teacher and a UNSW Scientia Education Fellow.

Most recent press


  • 2014–present
    Associate Dean (Education), UNSW
  • 2008–2014
    Senior Lecturer in Mathematics, UNSW
  • 2003–2008
    Lecturer in Mathematics, UNSW
  • 2002–2003
    Associate Lecturer in Mathematics, UNSW


  • 2002 
    University of Queensland, Ph.D


  • 2012
    Engineering Mathematics: YouTube Workbook, Ventus Publishing (