Prior to joining the Foundation, Jonathan was the founding director of the religion and the public sphere program at the Social Science Research Council, where he developed and directed a range of grant-funded projects, launched a suite of experimental digital publishing platforms, served as acting director of communications, and worked to incubate a new initiative on knowledge and culture in a digital age. Jonathan is co-editor of a series of books on secularism and religion, including Habermas and Religion (Polity), Rethinking Secularism (Oxford), The Post-Secular in Question (NYU), The Power of Religion in the Public Sphere (Columbia), and Varieties of Secularism in a Secular Age (Harvard). Originally trained as a philosopher, he received his PhD in sociology from the University of California, Berkeley.