Alejandro Illanes Acosta is an author and personal development educator whose work explores peace, relationships, spirituality, purpose, and the choices that shape a fulfilling life. A passionate reader and lifelong student, he created the Construyendo tu Reino project to help people make better decisions, build transformative habits, and pursue lasting personal growth. His offerings include books, courses, and a YouTube channel featuring ideas about how small steps can lead to meaningful change.

His published books include El Presente de la Paz, La Paz en Pareja: Encontrando el Amor, El Sueño de Dios, and Construyendo tu Reino; one of his books is also available in English. The titles offer practical guidance on cultivating peace in daily life, developing meaningful romantic connections, exploring spiritual purpose, and creating a more balanced life across areas such as finances, health, family, vocation, social relationships, and personal development. Illanes brings a combination of human insight and technical experience to this work, drawing on more than 18 years in financial markets and professional certifications in investment and risk-related fields.