Grace (Xiaojin) Xia is a Chinese national. She obtained a BS in Computer Science from Nankai University in Tianjin, China. She studied, worked and lived in the US for 12 years. She also has an MS in Operations Research from Case Western Reserve University and an ME in Middle School Math Education from Lesley University. She has taught Maths at Tsinghua International School for 6 years. She worked as a high school Maths teacher in the US for 3 years. She also taught college level English for 4 years at Beijing Information Technology College. In her spare time, she enjoys listening to classical music and reading books.