Skylight Health Group Inc. announced Greg Sieman as senior vice president (SVP) of marketing and communications. Mr. Sieman was SVP of Marketing at Oak Street Health, and, more recently, the chief revenue & communications officer at Lifespace Communities. He has a strong track record of driving business while creating meaningful social change, having generated 40% of his former company’s patient base through direct-to-consumer acquisition tactics and creative strategy. With his guidance and commitment to clinic partnership, Greg expects to contribute to the organic growth of value-based care members including Medicare and Medicare Advantage.