By Business English, DELTA

Hi all, Ok, here goes nothing. I'm a non-native Eng. speaker, but have studied and lived for 20 years in Eng. speaking countries ( I have a native's fluency ). I'd like to have as many TEFL qualifications as possible. I'm about to start an internet grammar course ( to prepare me for TESOL /...

Hello there! I'm wondering if anybody knows of some good post-CELTA training which would improve my skills? ESP, Business English etc, anything really that will keep me learning! There seems to be a big gap after the CELTA and I'd like to keep developing my skills, but am not yet experienced...