Josefino has over 9 years of experience in international school settings including California, USA; Rome, Italy; Bonn, Germany; Buenos Aires, Argentina; and currently Sofia, Bulgaria. Originally from the Philippines, Josefino grew up in California and received his BA in English at the University of California, Santa Barbara and MA in Education at Stanford University.

For Josefino, TED-Ed and TEDx brought three important realms of his life together: developing student voice, sharing ideas worth spreading, and making global connections. He has organized 4 TEDxYouth events, facilitated 3 TED-Ed Clubs with students from grades 4-12, and is a TED-Ed Innovative Educator. Three of his students were invited to speak on the TED Stage.