Leaders can ensure ethical practices by: 1. Creating a Code of Ethics: Developing and enforcing a comprehensive code of ethics that outlines acceptable behaviors and practices. 2. Training and Education: Providing ongoing training and education to employees about ethical standards and expectations. 3. Transparency: Maintaining transparency in all business dealings and decisions to build trust and accountability. 4. Whistleblower Protection: Implementing systems that allow employees to report unethical behavior without fear of retaliation.