Pearlena Igbokwe, Bonnie Hammer Land New Roles at NBCU Kristin Brzoznowski September 10, 2020 Top Stories Pearlena Igbokwe has been promoted to chairman of Universal Studio Group, while Bonnie Hammer is taking on a new role as vice chairman of NBCUniversal. The content you are trying to access is only available to members. Log In Register Bonnie Hammer NBCUniversal Pearlena Igbokwe 2020-09-10 Kristin Brzoznowski Share