About us. Common Ground Healthcare Cooperative is a "who" not a "what." As a cooperative, we are thousands of Wisconsin residents buying health insurance together, supported by a staff focused on providing the best possible service to our members. We are a not-for-profit cooperative, governed by a Board of Directors made up of members who purchase our health insurance. Any earnings are returned to our members in the form of lower prices and better services. Our Culture. We are here because we can make a difference in the lives of others. We believe that serving our community is meaningful work... view job details