Simplify the following text for a Grade 9 native English-speaking person.
Original: In 1995 she founded the Tokyo-based firm SANAA ( Sejima and Nishizawa and Associates ) together with her former employee Ryue Nishizawa .
Simplified: In 1995 , she started another architecture firm with RyÅ `` e Nishizawa in Tokyo called SANAA . Nishizawa had worked for Sejima before .