SWEDEN, Sept. 5 -- IF there is one thing Tanzanians can celebrate beyond their stunning landscapes and endless hospitality, it is the sheer energy and dedication of their ambassadors abroad, especially those who dont just sip coffee at gala dinners but roll up their sleeves to make things happen. For example, enters Ambassador Mobhare Matinyi, Tanzanias diplomatic dynamo in Sweden, whose recent mission to woo heavyweight Swedish companies Ericsson and Siemens Energy might just be the blueprint for economic diplomacy in the 21st century.

To many, Sweden might be famous for ABBA, meatballs and IKEA furniture that tests your patience, but it is also a powerhouse of technology and innovation. Ericsson is synonymous with cutting-edge telecomm...