MSL) serves as field-based medical resource for compliant scientific exchange on Rigel pipeline, areas of research, approved products, and associated disease states with healthcare providers, patient advocacy groups, payors, other industry partners, as well as internal colleagues at Rigel. MSL identifies, develops, and maintains effective professional relationships with health care providers in a specified geography to build and maintain a repository of Key Opinion Leaders (KOLs) for research initiatives, advisory boards, and other opportunities for collaboration with Rigel.