GroupM’s Seb Rennie joins LiSTNR as executive head of commercial
Chief investment officer at GroupM, Seb Rennie is joining the LiSTNR business at Southern Cross Austereo (SCA) as its executive head of commercial.
Rennie has had a 15-year career at GroupM, spending the past 8 years in the chief investment officer role, with 3 of those based in Canada.

Rennie leaves the group after 15 years.
Congrats Seb. SCA’s gain.