The phrase "pulls the strings" is often used to describe someone who is in control or has power over a situation or group of people. Some synonyms for this phrase might include "calls the shots", "wields power", "directs the action", "manipulates the situation", or "holds the reins". Other words and phrases that convey a similar meaning include "dominates", "governs", "leads", "orchestrates", "masters", and "manages". Whether used in a positive or negative context, these phrases all convey a sense of authority and control over a particular situation or group of people.