Kalin Trose was a Peliar Zel native, a resident of Alpha moon, during the 24th century. Trose was a thoughtful and deliberate man, an accomplished diplomat and leader.

In two separate instances thirty years apart Trose represented his people in negotiations with Beta moon during crises that nearly resulted in war. The first, in 2337 saw negotiations mediated by Odan between Trose and the aunt of Lathal Bine. Conflict was avoided when Trose agreed to switch places with the "iron-willed lady of Beta moon" for a week to better understand each other's position. Bine himself would represent Beta moon in the second negotiations in 2367 which were also mediated by Odan and again resulted in a peaceful settlement. (TNG: "The Host")