En lo que a mi respecta
As far as I'm concerned, and you can also use "concernir" to say, en lo que me concierne (both 3rd person conjugated respecta, concierne)
In what it respects to ME, in what it concerns to ME (yes odd, but thats how I think I would say it in English, if I wasn't sure it was "As far as I'm concerned")
Gracias.
1 Answer
As far as I am concerned = En lo que a mí (me) concierne...