The Trans-Tasman Lecturer exchange is an arrangement between GESA and the NZGE Society.
Each year a visiting member delivers a lecture at a home conference. This exchange occurs in both directions.
The lecture series has been made possible through the generous sponsorship of Ferring Pharmaceuticals.
GESA Members presenting the Trans-Tasman Lecture have been:
| Year | Lecturer |
| 2018 | Anne Duggan |
| 2017 | Narci Teoh |
| 2016 | Ian Norton |
| 2015 | Rupert Leong |