American Society of Clinical Oncology (ASCO) | 158,680 followers on LinkedIn. ASCO is committed to conquering cancer through research, education, and promotion of the highest quality care. | Founded in 1964, the American Society of Clinical Oncology (ASCO) is committed to making a world of difference in cancer care. As the world’s leading organization of its kind, ASCO represents more than 50,000 oncology professionals who care for people living with cancer. Through research, education, and promotion of the highest quality care, ASCO works to conquer cancer and create a world where cancer is prevented or cured, and every survivor is healthy.