Lionel Christiaen http://as.nyu.edu/biology/directory.lionel-christiaen.html Courses offered: BIOL-UA 22 Molecular and Cell Biology II (2018-2019 Spring) BIOL-UA 22 Molecular and Cell Biology II (2019-2020 Spring) BIOL-UA 26 Developmental Biology (2018-2019 Fall) BIOL-UA 26 Developmental Biology (2019-2020 Fall) BIOL-UA 26 Developmental Biology (2020-2021 Fall)