Grant Bader:

International Phonetic Alphabet (IPA): /ɡrɑːnt ˈbeɪdər/

Simplified Phonetic Spelling (American English): Grant Bay-der

Simplified Phonetic Spelling (British English): Grant Bay-dur

Alternative Phonetic Spellings (considering regional variations):

• Grant Bay-der (American English, common pronunciation): This is a straightforward phonetic spelling, easily understood by most English speakers.

• Grant Bay-dur (British English, common pronunciation): The 'r' sound in 'Bader' is often more pronounced as a 'r' sound in British English, hence the 'dur' spelling.

• Grant Bay-dər (American English, emphasizing the 'r'): This option emphasizes the 'r' sound in 'Bader' for those who pronounce it more strongly.

• Grahnt Bay-der (American English, alternative 'a' sound): Some might pronounce the 'a' in 'Grant' with a slightly broader sound, closer to 'ah'.

The choice of phonetic spelling depends on the intended audience and the desired level of precision. For general use, the simplified phonetic spellings are sufficient. For academic or linguistic purposes, the IPA transcription offers the most accurate representation.