According to Maelk's tweet, he will be joining GoDz, Bruno and 2GD as one of the analysts on the panel at The International 3 this year. However, Bruno and 2GD have not announced their participation to The International this year yet and so, the full line-up of the analyst desk is yet to be confirmed.
The panel members for the English broadcast of The International 3 have already been decided: joining the familiar faces from last year will be EG coach, Jacob 'Maelk' Toft-Andersen.
On his tweet posted just moments ago, Maelk mentioned that he will be joining James '2GD' Harding, Bruno 'Bruno' Carlucci and David 'GoDz' Parker on the analyst table. The participation of 2GD and Bruno in The International 3 have not been officially announced yet and may not be true.
Proud to say that I'll be on the analyst desk for The International alongside @btsgodz, @statsmanbruno and @follow2gd. #TI3 #Dota2
— Jacob Toft-Andersen (@TheMaelk) May 8, 2013
Casters of TI3 (so far):
Analyst
Maelk
GoDz
Bruno (TBA)
2GD (TBA)
English casters
TobiWan
Draskyll
Ayesee
LD
Luminous
Chinese casters
LaoDang
Haitao
Melody
Russian casters
v1lat
CaspeRRR
Maelstrom
Inmate
Source: Maelk Twitter