Dr. Ralf Rieken

Professional experience for Ralf Rieken

• Current , since Feb 2016

  COO

  Uniscon GmbH - Sealed Cloud Technologies

• 6 years and 4 months, Oct 2009 - Jan 2016

  CEO

  Uniscon GmbH - Sealed Cloud Technologies

• 3 years and 9 months, Oct 2007 - Jun 2011

  Head of Solution Development & Integration

  Fujitsu Technology Solutions GmbH

• 2 years and 9 months, Jan 2005 - Sep 2007

  President & CEO

  Fujitsu Siemens Computers, Inc. U.S.A.

• 1 year and 3 months, Oct 2003 - Dec 2004

  Vice President Business Development

  Fujitsu Siemens Computers, Inc. U.S.A.

• 1 year and 3 months, Jul 2002 - Sep 2003

  Vice President Strategy

  Siemens Communications U.S.

• 1 year and 6 months, Jan 2001 - Jun 2002

  Vice President Engineering

  Optisphere Networks

• 5 years and 3 months, Oct 1996 - Dec 2001

  CEO

  Dr. Rieken Consulting GbR

• 2 years and 9 months, Apr 1998 - Dec 2000

  Vice President Strategic Planing

  Siemens ICN

• 6 years and 5 months, Oct 1991 - Feb 1998

  Director Engineering

  Siemens Intelligent Networks