Maria Kristine "Tin" E. Mandigma is the program director of the Vibal Foundation. She began her career with the foundation as editor in chief of two online projects: Filipiniana.net, a digital library specializing in rare, unpublished, and out-of-print materials on Philippine studies; and Wikipilipinas.org, an online encyclopedia about the Philippines and the Filipinos. She earned a BA in sociology from the University of the Philippines (UP) in Diliman, Quezon City. She is also pursuing graduate studies in sociology at UP.
Mandigma is the founder of Read-or-Die, an organization that promotes love for reading.