- 9 years with Polar Electro, the global leading sports and well-being system provider; latest position Vice President, Research & Development – key contributor to transform an industry pioneer into the new age of digital coaching ecosystem provider
- 15 years with Nokia, latest position Director, Product and Service Capability Creation
- 2 years as a Consulting Entrepreneur, Decision Making
- Information & Knowledge Managment, Dr.

Long experience of Operations, Supply Chain and Process Management in global environment. Hemmi has worked 26 years for Nokia Corporation and Nokia Siemens Networks in different Global Management positions as General Manager of Joint Venture in China, VP Operations, Global Purchasing and Plant Manager.
After Nokia career he worked for Master Automation as CEO and for JOT Automation as Director developing processes and management systems.

20+ experience from embedded software projects
-20+ years of experience from communication networks research projects (100+ scientific publications, 50+ tutorials, keynotes, and invited talks )
-Embedded software
-Cellular systems
-System simulations
-Information security
-Internet Protocols and Industrial Systems Protocols
-Network architecture (communication protocols and mechanims)

Professional SW development contributor and team leader. Extensive experience of service development and maintenance.