Robert is president emeritus and professor of philosophy and religion at the California Institute of Integral Studies. He served as president and chair of the board of many institutions, including the Rudolf Steiner Institute (1983-94) and the Sophia Project for Mothers and Children at Risk of Homelessness in West Oakland and San Rafael (1999–2014).
His publications include: Radhakrishnan (1970), The Essential Aurobindo (1974; 1987), co-editor, The Spirit of Modern India (1974; 2009), Six Pillars: Introductions to the Major Works of Sri Aurobindo (1974; 2012), The Essential Steiner (1984), The Bhagavad Gita and the West (2009), The New Essential Steiner (2009), and many essays on philosophy, spirituality, and American thought. He is currently writing Unique Not Alone—Steiner and Others.