Sibella has developed innovative and acclaimed sustainable agriculture marketing, education, and land use projects for over 30 years. Since 2001, Sibella has been president of SAGE (Sustainable Agriculture Education) a nonprofit supporting regional food systems and multifunctional agriculture.

Sibella directed, from 2006-2009, the Agriculture in Metropolitan Regions program at the University of California Berkeley and is now involved in the University’s development of a Multifunctional Agricultural Center.

Prior to founding SAGE, Sibella was founding director of the Center for Urban Education about Sustainable Agriculture (CUESA) and created the acclaimed San Francisco Ferry Plaza Farmers’ Market. Under her direction, from 1993-2000, CUESA also developed highly praised education programs at the market, in schools and in the community. In the 1980s, she created other seminal urban-rural linkage projects, including the Tasting of Summer Produce and the Farm-Restaurant Project, and developed an organic and specialty produce department for, a San Francisco produce wholesaler, Greenleaf Produce Company. In the early 80′s, Sibella was a cook at Berkeley’s famed Chez Panisse Restaurant. Throughout her career, Sibella has worked as a print and television journalist covering regional food and agriculture, primarily for the San Francisco Chronicle and NBC-TV.

Sibella has received frequent recognition for her work from both local and national organizations.