John Vladimir Slamecka

John Vladimir Slamecka is an accomplished executive with extensive experience in telecommunications and business solutions. Currently, John serves as a Senior Advisor and Operating Partner at MORRISON and as an Executive Advisor to the Chairman at AST SpaceMobile. John's prior roles at AT&T spanned over two decades, culminating in positions such as President of AT&T Business International and President of AT&T Europe, Middle East & Africa, and Latin America. Additional leadership positions include Vice President roles in Global Wholesale & Access Management and Global Access Management. John has also co-founded Klarium and served as a Non Executive Director at March Networks, alongside notable positions in Lucent Technologies and Adero Inc. John earned a degree from Georgia State University and attended Woodward Academy for college preparation.