There is such a position: Jonathan Greenblatt, Director of the White House Office of Social Innovation and Civic Participation. The early years of Reston Mr. Simon had for the town someone in a position like this as well.  Very important person this was (restonmuseum.org).

Social Innovation Symposium: Innovative Thinking for Social Good. Innovation is at the core of advancements in the social sector. The Social
Innovation Symposium, a collaboration between SEA at Stern, the Wagner
School of Public Service and LSEA at the NYU School of Law, aims to
stimulate a dialogue around this issue and bring it to the forefront of our
business education.

– Friday, February 10, 2012, 9:00 a.m. – 6:30 p.m.
– NYU Stern Kaufman Management Center, 44 West 4th Street, NY

Innovation is at the core of advancements in the social sector. The Social
Innovation Symposium, a collaboration between SEA at Stern, the Wagner
School of Public Service and LSEA at the NYU School of Law, aims to
stimulate a dialogue around this issue and bring it to the forefront of our
business education.

This year’s conference, Innovative Thinking for Social Good, will feature
interactive sessions, panel discussions, networking opportunities, and a
keynote address by Jonathan Greenblatt, Director of the White House Office
of Social Innovation and Civic Participation. Learn more about the speakers
on our website:  www.nyusis.tumblr.com

**NYU STUDENTS Free/others buy tickets: https://nyustern.campusgroups.com/sea/rsvp?id=54148