As stated above, everyone that has gone through the Jedi Training was first initially taught by Yoda.
Here is another fact:
As Jedi Grand Master, Yoda carries a great deal of weight as far as voting and point of view with the Council. Although the Council itself did not see eye to eye with Master Jinn and his belief of a "Living Force" binding the galaxy together, Yoda could see a perfect fit for a Padawan with a Master that needed an apprentice.
Now, why the Council would allow Master Jinn to teach Obi-Wan when they did not agree with his view of the Force and how it applies to the Jedi is something that still makes me go "Hmmmm." But honestly, the Force itself could have shown Yoda a vision and influenced this choice.
The only hard and fast fact that we have is that Master Jinn would have merited a place on the Council himself and was well respected even if not always agreed with.
Yoda did in fact train Obi-Wan for several years. The Masters seated in the Council chamber were also once students of his. Going all the way back to when Yoda himself was initially taught and gained his title of Master.