John was Co Founder, Chairman of The Board at Klarium, and Head of Sales, EMEA at Adero. John Slamecka joined AT&T in 1986. John served as Vice President - Global Access Management and Vice President - AT&T Global Wholesale & Access Management for AT&T.John Slamecka is currently
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In the Telecommunications industry, John Slamecka has 24,063 colleagues in 1,950 companies located in 172 countries. 10,340 executive movements have been recorded in the last 12 months. Learn more about Telecommunications.
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