SIU Credit Union is highly praised for its exceptional service, particularly by staff members like Haley Dooley and Jackson. Customers appreciate Haley's timely communication and problem-solving skills, especially in managing mortgage loans for home purchases. She is described as caring and dedicated, ensuring that clients feel supported throughout the process. Multiple reviewers recommend her for her professionalism and ability to explain financial concepts clearly. Jackson is also recognized for his friendly assistance in helping new customers open checking accounts, answering questions thoroughly, and going above and beyond. Overall, SIU Credit Union is recommended for its knowledgeable and helpful staff, making banking a positive experience for its members.