Staff

Hiram Rivera is the Executive Director of the Philadelphia Student Union.  Hiram Rivera is a native of New Haven, CT, a father, an activist, and an organizer. He started his career in youth organizing as a coordinator at Youth Right’s Media in New Haven, training Black and Latino students in video production and campaign organizing around Education & Juvenile Justice issues. He most recently served as Youth Organizing Coordinator at the Urban Youth Collaborative in New York City, where he provided strategic and technical support to the community organizations that make up the UYC, as well as coordinating the city-wide campaigns to reform the NYC public school system.

Luis Gauthier is the Director of Finance and Operations and is also the Movement Music Coordinator for the Philadelphia Student Union. In 2000, Luis graduated cum laude from Temple University’s Fox school of Business earning a BBA in Accounting. He first became involved in youth development initiatives when he joined Youth Advocate Program, Inc. in 2001 as an advocate working with “at-risk” youth committed by the court system. Luis grew up in North Philadelphia and has been actively engaged in the community. He is a dedicated father of two little boys and has pledged to be a role model and mentor to the youth in his community.

Timothy Colman is the Individual Donor Coordinator for the Philadelphia Student Union. Timothy has over ten years of experience in grassroots fundraising in Philadelphia, including as the Development Coordinator of Neighborhood Bike Works for almost five years and as a founding member of the Human Rights Coalition’s Support Committee. Timothy first became involved with PSU as as a volunteer tutor in 2008. He has also served as an educator and facilitator with youth and adults on topics including soccer, math, literature, creative writing, harm reduction, restorative justice, and community response to violence.

Koby Murphy is a Youth Organizer with the Philadelphia Student Union, an alumni of the Philadelphia Student Union, and a graduate of the Philadelphia School District. As a member of PSU, Koby participated in Movement Music, which was a project that aimed to share students experiences through music. As staff, Koby hopes to support PSU by developing leaders and connecting with young people.