NYSE Listing. We are 25,000 people focused on developing new products and new ways to help people manage some of the most serious health conditions. We are scientists, researchers, communicators, manufacturing specialists, and regulatory experts. We also are parents, brothers, sisters, friends, community leaders, volunteers, and more. We have a lot in common with the people we serve, and we come together every day to create, discover, and deliver new ways to improve people's health.