QMS emerged the winner of the tournament.
Long told Mediaweek his focus will include "deeply think[ing] through how we best rebuild the strategy and planning products."
Incumbent Starcom, which is also in the running for the account, manages Subaru's media buying and planning.
Villella has started in the role, based in Sydney and reporting to Candice Veasey.
The agency's remits for both brands cover media strategy, planning, buying, digital performance and search.
The Avis Budget Group includes Avis, Budget and Apex
The tournament came down to a final match between Amazon & TikTok
Naomi Johnston said: "It's very exciting to be working on such an iconic label as French Connection, now Unison"
"It’s a great time to be joining Havas Media Network with the recent global brand refresh."
"We are excited to be working with Riviana Foods and extending our SunRice partnership"
"We know Customer Experience and I’m energized every day to be working with our exceptional talent and clients"
OIS CEO Singh said: "It’s revolutionised the way out-of-home campaigns are activated"
• The agency will work across brands including Grant Burge, Hardys and Croser
• The offering stretches into e-commerce strategy, operations, analytics, and customer experience
