GPG celebrates 20 years of supporting local, statewide, national, and international public and nonprofit organizations!

Sienna Chambers, MA, MSEd


Sienna supports GPG projects with meeting facilitation, research, and policy analysis. Key GPG projects include:

  • Development of a white paper on California‚Äôs mixed delivery system of early childhood care and education
  • Planning, facilitation, and communications support for a statewide workgroup addressing access to high-quality preschool
  • A student behavioral health needs assessment in Fresno County, CA

Sienna believes in the power of and possibilities provided through education. Prior to GPG, Sienna worked for 11 years as a special education teacher in the New York City public school system. In addition to her work in the classroom, Sienna held leadership roles both at the school and district-levels.

Sienna was born and raised in New York City and resides there with her husband. Outside of work, Sienna enjoys traveling, jogging, and going to museums.


  • BA in Sociology & Anthropology, Middlebury College
  • MS in Education, Hunter College of the City University of New York
  • MA in Education Policy, Teachers College of Columbia University