"In 2000, Hansjörg purchased the 900-acre Halter Ranch in west Paso Robles, where he indulges his passion for wine, nature and enlightened environmental stewardship." <ref>[http://www.halterranch.com/our_story/bios.html Bios], Halter Ranch, accessed October 5, 2008.</ref>
*Trustee, [[Conservation Lands Foundation]] <ref>Conservation Lands Foundation [http://conservationlands.org/the-foundation/our-board Board], organizational web page, accessed January 1, 2013.</ref>
==Resources and articles==