Nigerian organizations can transcend organizational complexity and advance sustainability through servant and transformative leadership. There is the need for synthesizes of empirical and theoretical theory in global, African, and Nigerian contexts by adopting a systematic review of the studies between 2020 and 2025. There is an acknowledgment by this research that organizational resilience and adaptability are greatly augmented by transformational leadership, defined as change for vision, intellectual stimulation, and innovation. On the other hand, servant leadership encourages ethical accountability and credibility of stakeholders by fostering empathy, humility, and stewardship. These leadership philosophies altogether offer an integral approach to addressing Nigeria's structural challenges, such as sociopolitical instability, weak institutions, and corruption. Secondly, the study brings to the fore how hybrid leadership models allow organizations to succeed through the combination of innovation and ethical action because they are able to resonate with the African communal philosophy of Ubuntu. The hybrid models allow for the institution of robust and long-term organizational systems through the emphasis on responsibility, participation, and vision. Combining transformational and servant leadership is also an option in Nigeria, where the transactional and authoritarian leadership styles are prevalent and kill imagination and destroy trust. The report concludes that integrating hybrid forms of leadership in Nigerian organizations is imperative for propelling resilience, inclusiveness, and sustainable development. Among some of the suggested solutions include the creation of leadership training schemes in all sectors, legalizing ethical values, and making leaders visionary and service-oriented. The research therefore adds to theory as well as offers useful insights to policymakers, academics, and leaders committed to organizational reinvigoration and Nigerian sustainable development