Vice President
Americas
Steven R. Zielke

As Vice President – Americas, Steven Zielke is responsible for developing and managing our ATRIUM business within the Americas.

Steven Zielke has been involved in USA cellular market since 1983 and shifted focus to international cellular markets from 1988 to 2000. Through the last 28 years, Zielke has been involved in “all things cellular” from networks, devices, applications and services.

Prior to Consistel, Steven held several leadership positions in ATT during the 1980’s and Motorola from 1990 through 2003. Zielke was a founding member of ATT’s Cellular Business Unit and started their international business in 1988. In 1991, Zielke was named the General Manager of Motorola’s South Asia Cellular Infrastructure Division and grew that division from $5M in business in 1991 to $550M by 1998. After his Asia position, Zielke assumed a startegy role at Motorola Corporate until 2003. In 2003, Zielke founded Horizon Matrix LLC a Rapid Buisness IQ consulting firm specializing in rapid vetting new and emerging business models for Fortune 500 clients and technology startups.

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