Martínez will be acquiring for the Spain and Portugal arm of the producer and distributor, which oversees formats including MasterChef in the region and also handles Talpa formats, which include The Voice and Utopia.
She was head of acquisitions and sales at Spanish producer and distributor Boomerang until earlier this year and prior to that was commercial manager at producer 3Koma.
Martínez has also hosted and directed Spanish entertainment shows for broadcasters including TVE and TeleMadrid.
Macarena Rey, CEO of Shine Iberia said: “Ruth is an excellent professional, with a great judgement, that will find new opportunities and help bring them to the Spanish and Portuguese audiences.”
Martínez added: “I have a great challenge ahead, and I’m delighted to join Shine Iberia’s team and bring to our countries formats available in the market that are already working with great success in other territories.”