Complex sentence: The overdramatic Craig often raises his voice to the point of shouting, and frequently blows things out of proportion, although he proves to be a highly efficient employee who's familiar with city politics and a strong negotiator.
Split into simpler sentences: The overdramatic Craig often raises his voice to the point of shouting, and frequently blows things out of proportion. Although he proves to be a highly efficient employee who's familiar with city politics and a strong negotiator.