Dalek Time Strategist was a Dalek rank.
One group of Dalek Time Strategists was under the command of the Dalek Time Controller. They were created by the Controller in Paris. (AUDIO: The Monster of Montmartre, Master of the Daleks)
After the Time Controller became part of the Eminence, the Dalek Supreme commissioned the creation of a new Time Strategist, based on Adelaine Dutemps. (AUDIO: Eye of Darkness) It became a major player in the Last Great Time War. He sent Lara Zannis to Earth to capture the Shadow Vortex. The Strategist wanted to invade the Earth in order to destroy it and stop the Doctor from meeting his companions hopefully erasing him from the timelines. (AUDIO: The Shadow Vortex)
The Strategist sent the Daleks to Rovidia to capture Cardinal Ollistra, intending to steal her knowledge of Time Lord secrets. The Sontaran Fesk tricked the Strategist into meeting him and took the Strategist prisoner, disarming him. The Stratagist was placed with Ollistra where they talked about the starting of the War. (AUDIO: The Eternity Cage)
The Strategist ordered the destruction of the Rovidian fleet after the Doctor left the planet. The Strategist believed that the Doctor had given the Daleks the means to win the war. It used Heleyna to gain access to the Eye of Harmony chamber within Vassarian's Battle TARDIS. It planned to use the Dalek Time Squad to attack the Eye and cause it to collapse the Eye and destroy the Time Lords. The Doctor stopped his plan by destroying the Eye of Harmony Chamber. After the Battle TARDIS disappeared from the vortex he ordered that all the timelines be scoured to find the Doctor and destroy him. (AUDIO: Eye of Harmony)
Appearance
The Dalek Time Strategist active during the Time War possessed a casing similar to the Supreme Dalek of the New Dalek Empire (TV: The Stolen Earth/Journey's End) and the Supreme Dalek who controlled the Dalek City. (TV: The Magician's Apprentice/The Witch's Familiar) Unlike them, but like the Dalek Time Controller, its casing housed a Time Controller device. (AUDIO: Eye of Harmony)