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Change for the Greater Good: The Marian Croak Story
Dr. Marian Croak: Inventor of VOIP | Innovation Nation
Speaker Series: Marian Croak
Dr. Marian R. Croak, Senior VP of Applications and Services Infrastructure, AT&T Labs, 2013
Marian Croak - History of innovation comes in bursts
Marian Croak’s Hall of Fame Induction
Inventor Card Unveiling: Marian Croak
Marian Croak - Have a mindset that problems are solvable
Marian R Croak
Engage 2021 - A Keynote Conversation with Tech Pioneer, Marian Croak
Patent Series: Meet Marian Rogers Croak,
Dr. Marian Croak, The Black Woman You Can Thank For Internet Call Technology | TSR DidYouKnow
