Arlene O. Trillanes or Dean Arlene to the National University community, is the Dean of the College of Computing and Information Technologies at NU Manila.

She graduated with a Bachelor of Arts degree in Psychology from UP Diliman, Bachelor of Science degree in Computer Science from the Philippine Military Academy, took up Master of Information Systems from the University of the Philippines Open University, Master of Defence Studies in the University of New South Wales in Australia, and is now a candidate for a PhD in Technological Management from the Technological University of the Philippines.

Throughout her time in National University, she took on several leadership roles where she effectively managed, monitored, and maintained the performance and quality of each department.

As Dean, she continuously strives to ensure that the mission and vision of the college are upheld, and by doing so, is able to provide Nationalians with the academic excellence they deserve.