Sima was trained in Diagnostic Medical Sonography in 1998. With her experience in sonography, she continued to grow the DMS program. The team of two grew to help assist training more sonographers and helping assist graduates get hired in their profession. With DMS being the only program being offered, the name was changed to Sacramento Ultrasound Institute (SUI).
Focus was on becoming an accredited institution in 2013.
With a team of four staff, SUI continued to grow its DMS programs.
A family-like culture developed between students and staff.