Greg Chern Greg Chern is a community health worker at a clinic in Chicago. Lean & Mean Health Care Against the Current, No. 170, May/June 2014 Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on WhatsApp (Opens in new window) WhatsApp Email a link to a friend (Opens in new window) Email Print (Opens in new window) Print