The move comes as the sales arm aims to move closer to its clients in the region and comes after it recently opened an office in Beijing, China.
Sinclair, who joined CBS from CSI-distributor Alliance Atlantis, will relocate to Singapore from Australia.
CBS Studios International distributes series including The Good Wife, Hawai 5-O, Elementary and Vegas as well as CSI.
“Asia is fast becoming a world leader in innovative entertainment distribution and consumption and we’re thrilled to now have two offices on the ground there,” said Armando Nuñez, president, CBS Studios International. “Nicole is a highly regarded executive in the region and her presence in market signals an enhanced commitment to our clients in this important area.”