Lily Serna

Serna appeared in an episode on risk for the ABC's Catalyst television program which aired in 2019.

Serna became engaged to Blair Hickey at Surprise Bay during a hike in Tasmania early in 2019. They have a child born in late 2019.

In August 2012, she was appointed Numeracy Ambassador for National Literacy and Numeracy Week and in September to the board of the Australian Mathematical Sciences Institute, although she is no longer a board member. She works as a data analyst for software company Atlassian. She had previously been a data analyst at Fairfax Media.

Serna was co-host, with actress and presenter Renee Lim and Adam Liaw (second season winner of MasterChef Australia) of the SBS cooking show Destination Flavour which was first broadcast as a 10-part series in late 2012.

In August 2010, Serna began co-presenting Letters and Numbers on SBS Television while completing honours studying part-time in mathematics with applications in biology.

Born in Jerusalem, Serna attended Cheltenham Girls' High School in Sydney, Australia, and graduated from the University of Technology Sydney in 2009, with a Bachelor of Mathematics and Finance and a Bachelor of International Studies. She spent a year living in Bordeaux, France.

Lily Serna (born 5 July 1986) is an Australian mathematician and television presenter, best known for co-presenting the SBS game show Letters and Numbers (2010−2012) and the cooking show Destination Flavour (2012). She works as a data analyst for Atlassian in Sydney.