Dr. Eduardo Hernández-Alarcón passed away in April 2026, leaving behind a remarkable legacy in substance use prevention and international community development. As former Vice President of International Programs at Community Anti-Drug Coalitions of America (CADCA), he played a significant role in strengthening community-based prevention coalitions and promoting evidence-based approaches across different countries and cultural contexts. His career also included contributions to the Substance Abuse and Mental Health Services Administration (SAMHSA), where he supported efforts to advance culturally responsive prevention strategies and community engagement. In recognition of his longstanding dedication and contributions to the field, he received CADCA's Lifetime Achievement Award in 2025. Through his leadership, mentorship, and commitment to international collaboration, Dr. Hernández-Alarcón helped strengthen prevention capacity and inspired professionals and communities worldwide, leaving a lasting impact on the global drug demand reduction field.