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: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to share on WhatsApp (Opens in new window) WhatsApp Click to email a link to a friend (Opens in new window) Email Click to print (Opens in new window) Print