Carlos Matinez is a member of LeftRoots and co-author of Venezuela Speaks! Voices from the Grassroots (PM Press, 2010), a collection of testimonios from members of Venezuela’s social movements. He is currently a PhD student in Medical Anthropology at UCSF and UC Berkeley, where he is researching political economies of health, radical health movements, and Latin American social medicine.
Open Letter to Obama on Iran
Anarchist book fair
Speakers for the 2010 book fair included: Yantra Bertelli, Terry Bisson, Ward Churchill, John Curl, Diane DiPrima, John Duda, Matt Hern, Luis A. Fernandez, Peter Gelderloos, Andrej Grubacic, Owen Hill, Lierre Keith, Margaret Killjoy, Ernesto Longa, Carlos Martinez, Jason McQuinn, Keith McHenry, Tommi Avicolli Mecca, Cindy Milstein, Patrick Reinsborough. Kim Stanley Robinson, Penelope Rosemont, Sarah Talbot, Kristian Williams and John Zerzan. 
LeftRoots shared a video. April 30, 2016 ·
In April 2016 Francesca Fiorentini of Al Jazeera interviewed LeftRoots members Maria Poblet, Carlos Martinez (educator), and Ying-sun Ho (musician) on socialism over brunch. Academic Jamie McCallum was part of the group.
War Times crew
In 2017, the "War Times Crew" consisted of Rebecca Gordon, Sasha Wright, Jan Adams, Hany Khalil, Clare Bayard, Lynn Koh, Rami El-Amine, Jen Soriano, John Trinkl, Gary Hicks, Carlos Martinez, Christine Ahn, Francesca Fiorentini, Felicia Gustin, Greg Hom, Max Elbaum, Nathan Paulsen, Michael Reagan, Sarah Lazare, Alicia Garza, Elvis Mendez, Becca Tumposky.