Juan has been organizing community voices for years beginning as a social worker with the Harris County Welfare Office and later with City of Houston Section 8 Housing Department where he organized the workers at both offices. Recognizing his unorthodox organizing efforts, he was recruited by AFSCME (American Federation of State County and Municipal Employees) as project staff.
Organizing people to fight for standards in their working environments Juan eventually was elevated to be an International Union Representative for AFSCME as an International Union Representative until 1993 where his efforts reestablished MLK day and impeached Governor Mechum of Arizona. He then began working with Louisiana Labor Neighbor Project an Oil Chemical and Atomic workers Union (now known as PACE) initiative. Where he helped established a community led fund to support union workers in during a 5 ½ year lockout. In 1995 Juan joined the ranks of Greenpeace USA in a longstanding battle and win against Shintech in Louisiana.
1996-2002 Soon after Juan began working with Texas Southern University at the newly formed Grover Hankins, at the Environmental Justice Law Clinic where he dedicated his skills and expertise in community organizing until 2002. In 1995 began the long-standing battle which started against the construction of Cesar Chavez High School and formed Unidos Contra Environmental Racism, which was later renamed T.e.j.a.s (Texas Environmental Justice Advocacy Services.
From 2002-2006 Juan, concurrently was working as an EJ organizer for CLEAN (Citizens League for Environmental Action Now) formed by Jane Dale Owen granddaughter to one of the founders of Humble Oil which became Exxon Mobile. Juan was an original member of the National Environmental Justice Advisory Council (NEJAC), and has served on many other boards such as the Gulf Restoration Network, Coalition of Community Organizations (CoCO)National Childhood Lead Prevention Program, and the Center for Health and Environmental Justice (CHEJ). He is currently an Environmental Justice Ambassador for the Gulf of Mexico Alliance. Juan received the CEC Synergy Award in 2008 and the Sealy Center for Environmental Health & Medicine HERO Award in 2009.
Juan was also recognized as a recent recipient of the 2015 Robert Bullard Environmental Justice Champion Award from the Sierra Club. Juan Parras and his resolve for equity, justice and community resilience is the driving force behind the T.e.j.a.s. with over 40 years of organizing and work from social services, to labor, to environmental justice Juan Parras can attest to the empowering force behind marrying issues of intersectionality in environmental work for marginalized communities.