Most names for professions change if the person is masculine or feminine.
And also if referring to more than one person:
BUT
Masculine always wins in French!
Here are some more examples:
Voilà le président François et la présidente Angela.Here are the president François and the president Angela.
Exceptions:
Le professeur (ou le prof) s'appelle Eric.
La professeur (ou la prof) s'appelle Noémie.The teacher's name is Eric.
The teacher's name is Noémie.
La professeur (ou la prof) s'appelle Noémie.The teacher's name is Eric.
The teacher's name is Noémie.
-> Note that the Académie Française considers la professeure a neologism.
See also Don't use un, une when stating people's occupations (zero article)
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Learn more about these related French grammar topics
Examples and resources

Daniel est le créateur et Isabelle est la créatrice aussi.Daniel is the creator and Isabelle is the creator too.

Le professeur (ou le prof) s'appelle Eric.
La professeur (ou la prof) s'appelle Noémie.The teacher's name is Eric.
The teacher's name is Noémie.
La professeur (ou la prof) s'appelle Noémie.The teacher's name is Eric.
The teacher's name is Noémie.
Voilà le président François et la présidente Angela.Here are the president François and the president Angela.
Voilà le chanteur Charles Aznavour et la chanteuse Céline Dion.Here are the singer Charles Aznavour and the singer Céline Dion.
