Jordan-Bambach joined LBi in January and has been working on several brands including 118 118, Red Cross, Etihad and M&S.
She previously worked at digital creative agency Glue, where she was head of art.
In the coming months she will be working on a global rebrand of LBi with Chris Clarke, LBi's global creative director.
Gill has been at LBi for three years, working across all key accounts including Tourism Ireland, Orange, HMV and Barratt Homes.
Clarke said: "It is quite simple -- we've built our proposition around building believable brands and to take that forward we've promoted two key individuals who have a passion for strong creative."
This article was first published on brandrepublic.com