As Director General of the Colombian National Police, he led a historic institutional reform based on transparency, tactical innovation and building citizen trust, achieving a remarkable reduction in violence and strengthening the rule of law in one of the most challenging environments in the hemisphere. Subsequently, he served as High Counselor for the Post-Conflict and Vice President of the Republic of Colombia, actively participating in the design and implementation of the peace agreements with the FARC, one of the most significant reconciliation processes of the last decades.

In addition to his work in security and leadership, he has contributed to the construction of a critical memory of the fight against drug trafficking and the transformation of the Colombian state. In works such as Se creían intocables (They Believed Themselves Untouchable), he reveals the networks of organized crime and how it was possible to dismantle illegal structures that were thought to be invulnerable. In El derrumbe de Pablo Escobar, he offers a strategic and human portrait of the operation that led to the fall of the most feared drug trafficker of the 20th century, from the perspective of those who confronted him with intelligence, determination and a sense of State. His thinking is also reflected in publications such as Authentic Leadership, where he discusses how ethical principles can guide complex decisions in adverse can guide complex decisions in adverse scenarios, and Confidence in the Storm, a collection of anecdotes and Confidence in the Storm, a compilation of anecdotes and lessons learned during his time at the top of the police and his role in the and his role in the peace process.  

General Naranjo offers a strategic, ethical and deeply humane look at the contemporary challenges faced on the contemporary challenges facing governments, business and society: security, leadership in adversity, institutional crises and trust-building.