Founding member New York City Council Progressive Caucus
- Brad Lander, caucus co-chair.
- Melissa Mark-Viverito, a council member who represents East Harlem and who is the caucus's other co-chair.
- Annabel Palma, from the Bronx
- Letitia James, from Brooklyn
- Jumaane D. Williams, from Brooklyn
- Margaret Chin, from Manhattan
- Rosie Mendez, from Manhattan
- Ydanis Rodriguez, from Manhattan;
- Daniel Dromm, from Queens
- Julissa Ferreras, from Queens
- James G. Van Bramer, from Queens
- Deborah Rose, from Staten Island.
- ↑ Dozen Council Members Form a Bloc for Liberals By DAVID W. CHEN, March 23, 2010
- ↑  NY Progressive Caucus demands: Tax the rich, Dan Margolis, Peoples World, June 23 2010, accessed June 23 2010