This logo is based on the form of a barchart. It is fitted in the circle and divided into halves.
 
The from of the symbol emblematizes a human brain, and shows an interplay of two actors,
for instance, a teacher and a student. 

Jobbing work should look trustworthy and up-to-date at the same time

 
An easy to use and comprehensible template for presentation

Upgrade your brain, assemble a brand puzzle