By David A. DíazSpecial to the AdvanceDr. Manish Singh, MD, Chief Executive Officer, DHR Health System, knows much about the critical importance of high-quality health care for any region, especially for the Rio Grande Valley, a rapidly-growing population center with almost 1.4 million residents.As the administrative leader of the Edinburg-based complex, Singh has long-standing involvement in helping DHR (Doctors Hospital at Renaissance) Health provide life-saving care, heal injuries, cure and prevent diseases, improve health and well-being — and as a teaching hospital — deliver medical education and training to future and current health professionals.“Just like DHR Health, STC has been a driving ...