Logistician
Part of speech: noun
Definition: A person involved with logistics.
Logician
Part of speech: noun
Definition: A person who studies or teaches logic.

A Logistician is a person who oversees the activities around the movement of goods or people purchasing, inventory management and warehousing while a logician is an expert in or student of logic.
Logistician as a noun is a person involved with logistics. while Logician as a noun is a person who studies or teaches logic.
Part of speech: noun
Definition: A person involved with logistics.
Part of speech: noun
Definition: A person who studies or teaches logic.
We hope you now know whether to use Logistician or Logician in your sentence.