LONGTIME University administrator and Dean Emeritus Lilian Sison has concluded her nearly six-decade career in UST. Colleagues and former students paid tribute online to Sison, who served the University for 57 years. Sison began teaching at the College of Science in 1969 and served as an instructor until 1981, when she was appointed faculty secretary of the Graduate School. Sison served as dean of the Graduate School from 2000 to 2013. After her Graduate School deanship, she became founding director of the Office of International Relations and Programs, a post she held until this year.