Microsoft co-founder, Bill Gates speaks to Parliament on May 28, 2013 in Canberra, Australia.   - 

Microsoft has been struggling to transition in the mobile age and now a new report says some of its top investors are blaming its founder, Bill Gates, for the company's woes. The report says three of Microsoft's top investors want to see the chairman step down.  

These investors argue that Gates' iconic presence on the board of directors would deter a more risk-taking person from stepping in as CEO Steve Ballmer's successor, once he retires within the year.

Marketplace's David Gura joins Marketplace Tech host Ben Johnson to discuss. Click the audio player above to hear more. 

Follow David Gura at @davidgura