Do you have business objectives and know how to shape your marketing?
Real experience working with marketing departments to shape online campaigns.
WebTrends, Google Analytics, others - step by step approach...

Years of experience designing software products.
Documenting the design reducing risk of failure.
Scheduling the work to reduce time to market.
Analytics approach to sizing effort, monitoring implementation, and reducing delays.

Have a problem with vendors not working together, in house resources not performing, expectations with technological solution not working out, you may need someone to help smooth things out?