from website description:

Overview

This  online session is suitable for Year 13 students who have been offered (or are anticipating being offered) an interview at Oxford or Cambridge.

Interviews can be nerve-wrecking experiences but preparation is key to success. Join Dr Eugenia Cheng to get advice and guidance on how to prepare for your upcoming interview.

Eugenia is a mathematician, educator, author, public speaker, columnist, concert pianist and artist. She is Scientist In Residence at the School of the Art Institute of Chicago. She won tenure in Pure Mathematics at the University of Sheffield, UK and is now Honorary Visiting Fellow at City, University of London. She has previously taught at the Universities of Cambridge, Chicago and Nice and holds a PhD in pure mathematics from the University of Cambridge.

Her most recent book:  The Joy of Abstraction: An Exploration of Math, Category Theory, and Life came out in October.