After "eating our own dog food" for some months now and having daily scrum meetings across our Accounts (a scrum of scrum of sorts..), I turned my attention to the business development process.
Using Kanban to manage our proposals has been a real eye opener and the idea of "pulling opportunities to close" has really helped.
More here: http://www.infoq.com/news/2011/05/kanban-examples from Mattias Skarin

