Li Shen Student (Ph.D.), GERAD share HEC Montréal li.shen@hec.ca Phone: 514 340-6053 x6929 Office 4452 Education since Oct 2019 Ph.D. , Administration Estimation and valuation of option models when the state process is not observable HEC Montréal – Department of Decision Sciences, Michèle Breton, director, Hatem Ben-Ameur, co-director