Dr. Ralf Rieken

Professional experience for Ralf Rieken

• Current 1 year and 2 months, since Jun 2021

  Business Advisor

  Dr. Rieken Consulting

• Current 1 year and 2 months, since Jun 2021

  

  Mitglied des Advisory Boards

  EcoG GmbH

  

• Current 4 years and 3 months, since May 2018

  

  Mitglied des Advisory Boards

  Evy Solutions GmbH

  

• 11 years and 8 months, Oct 2009 - May 2021

  

  Gründer, CEO / COO

  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 Planning

  Siemens ICN

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

  Director Engineering

  Siemens Intelligent Networks