Simplify the following text for a Grade 10 native English-speaking person.
Original: A city manager is responsible for the executive leadership of the city staff , as well as implementing council policies , developing programs and budgets to respond to council goals , and ensuring that citizens receive effective and efficient city services .
Simplified: A city manager is responsible for the leadership of the city staff . He also helps carry out the council policies , develops programs and budgets to respond to council goals , and makes sure that people get effective and efficient city services .