The term "Brain Truster" is often used to refer to a person who is involved in brainstorming and problem-solving. However, there are many synonyms for this term that can be used to describe someone with a similar skill set. For instance, a "think tank" is a group of experts who come together to solve problems. "Innovators" are people who come up with new and creative ideas. "Strategists" are individuals who plan and execute complex plans. "Intellectuals" are people who are highly intelligent and have a passion for knowledge. "Problem solvers" are those who can identify and solve complex issues. These synonyms can help to broaden the range of terms used to describe individuals who excel in critical thinking and innovation.