- Rangaratnam and OBrien Presidents Award for Excellence Recipients Gladys Rangaratnam and Lorraine OBrien are the recipients of the Presidents Award for Excellence in the Administrator and Outstanding Service categories, respectively. See latest news - Media Releases for details Student 411 Summer of the Arts 2002 Meet a Grad SuperBuild Cambrian Foundation Cambrian International Rangaratnam and ...www.cambrianc.on.ca