Complex sentence: Professional negotiators are often specialized, such as "union negotiators", "leverage buyout negotiators", "peace negotiators", "hostage negotiators", or may work under other titles, such as diplomats, legislators, or brokers.
Split into simpler sentences: Professional negotiators are often specialized, such as union negotiators, leverage buyout negotiators, peace negotiators, or hostage negotiators. They may also work under other titles, such as diplomats, legislators, or brokers.