A manager must learn various skills to be successful in a global culture, including etiquette, communication, technical expertise, diversity and equality, emotional intelligence, and patience. Some key skills and topics covered are: proper gestures and posture in various business situations; closing communication loops effectively; addressing diversity through a balanced approach that respects individuals' capabilities; and reducing stress through proactive actions, controlling reactions, and positive thinking. Developing expertise, practicing etiquette, and managing emotions and patience are crucial tools for managers to succeed in a global environment.