The Munich-based firm has hired Ben Stoll (pictured) as director of development, Marcos Eberle as logistics manager and Mitch Zamarin to run press and PR.
Tandem has recently moved into the series world having previously specialised in the TV movie genre. The second season of its one-hour crime series Crossing Lines has just gone into production.
Stoll joins from UK commercial broadcaster Channel 4 where he was a development exec. Zamarin joins from kids producer and distributor Moonscoo and Eberle from CinePostproduction.