Pusta has nine years' media experience, eight of which were spent with UM in the Philippines, handling large clients such as Globe Telecom, Jollibee Foods Corporation and Procter & Gamble.
She had spent the past year with Carat, working on Nokia, Tourism Australia and Prada.
Tan has over ten years' media experience, five of which were spent with Kinetic in Singapore implementing all OOH campaigns for Group M agencies.
On the appointments, Adrian Daniels (pictured), managing director of Posterscope Group Singapore, said, "I'm delighted to welcome Danna and Agnes. They both have strong credentials and experience in the industry and will make a great contribution to our team, and our clients."