I'm not an expert with Brad, but I use him very often, and I have an idea of the tools that give me better results. Among my favorite attacks are:
-

or

or
-
-From Kozento (

)

(Launcher)
-From Kozento or Kokoto (

)

(Launcher on HCB, but predictable)
-From Back Turned (

)
-From Back Turned

(Very fast throw)
-From Back Turned

(Launcher on HCB)
-

(Launcher on HCB, but predictable)
-

(Launcher on HCB)
-

(Launcher on HCB)
-

(Very fast blow, to gain some space)
-From Dokuritsu-Ho (

)

(Hit throw)
-From Dokuritsu-Ho

(Launcher on HCB)
-In Biolab Core, and The Crash Club is a good idea to use

or

or

(ground damage; 87/88/100 pts respectively, if all attacks are successful in HCB)
-

(Kokoto) can continue with

or

(Predictable) or

or

:Link:

or even try a Low throw

(Sometimes, the opponent would attempt a Low Offensive Hold...it's a matter of luck to get a HCT)
-

(Evasion tool) can continue with

. This command is used to climb certain walls too, and escape from corners.
-From Kokoto

(Evasion tool, but requires good timing)
-Additional damage on Knockdown

or

or

or
doing a good distribution of these attacks, Brad has given me good results (against people of my level, obviously).
These attacks, I prefer not to use them
-

(Really unsafe)
-From Dokuritsu-Ho

(You can see the kick easily)
-

(Predictable)
You could search for videos of
chosen1, and learn from. He is an excellent player with Brad. Same with
Master Ari, another good Brad user.