The DTalks are an AIGA series of question led panel discussions on issues affecting the design community.
The final logo: scroll down to see how I got here.
As always I started with some initial sketches to get my head around the problem.
These first ideas were too complicated so I made it simpler by focusing on the 'talks' part of the title. Speech bubbles were added to various weights of Helvetica.
So as not to get locked into a concept too early I looked at upper case D's in parallel...
I started to combine the capital D's and speech bubbles...
After several studies of the letter D the final logo depicts the connecting up like synapses of the audience's and panelists' thoughts and conversation.