CARY, N.C., Sept. 14, 2021 / PRNewswire / - CATO SMS , a global provider of specialist clinical research solutions, today announced the appointment of Dr. Teresa Nunes announced as Chief Medical Officer. Dr. Nunes will lead the company's rapidly growing medical services and drug monitoring departments. In addition, she will provide strategic support to her clients in the design and implementation of studies in complex development areas such as oncology, cell and gene therapy, immunology and rare diseases.