Trainings are offered throughout the State of California for professionals in the early childhood field.  Here are a few organizations who provide professional growth:

CDPI (Child Development Policy Institute) The Child Development Policy Institute (CDPI) is a non-partisan, independent organization whose mission is to help establish sound public policy that benefits the children of California. CDPI is a leader in the childcare and development field on fiscal and policy matters and the principal advocate for children and families in the California budget process.
CAEYC (CA Association for the Education of Young Children) The California Association for the Education of Young Children has existed for more than 50 years and offers a number of valuable services and excellent opportunities for early childhood educators to get together and exchange ideas, as well as pursue professional growth and success.
PACE (Professional Association for Childhood Education)  PACE is a nonprofit, tax-exempt, and membership-based organization. PACE was established in 1955 to fill the legislation, education and development needs of early child care professionals.
PITC (The Program for Infant Toddler Care) PITC seeks to ensure that America's infants and toddlers get a safe, healthy, emotionally secure and intellectually rich start in life.  The Program for Infant/Toddler Care's approach equates good care with trained caregivers who are preparing themselves and the environment so that infants can learn.  PITC is a collaboration between the California Department of Education and WestEd.