Yan Huiwen is a lecturer at the School of Mathematics and Statistics in the University of Finance and Economics. She got her Ph.D. degree at South China Normal University in 2012. Her current research interests are Financial Mathematics, the Free Boundary problem and Stochastic control. She has published many academic papers in important international journals, such as Science in China, Journal of Inequalities and Applications, Journal of Mathematical Analysis and Applications, to name a few. Four of them are cited by sci.Ms Yan has also presided over an international foundation, presided and participated in 6 National foundations, and 1 provincial foundation.