If he or she makes them well then it is an orator.
a polictian
A person who makes public speeches is often referred to as a public speaker. This can include a wide range of individuals, such as motivational speakers, politicians, educators, or activists, who engage audiences on various topics. Public speakers aim to inform, persuade, or entertain their audiences through effective communication and presentation skills. Notable examples include figures like Barack Obama or Tony Robbins, who are known for their impactful speaking styles.
An orator or eloquent speaker.
He has a special person to write his speeches.
A person that makes candles is called a chandler.
the person who makes spelling mistakes is called cacographer.
The person that makes and sells sweets is called a confectioner.
A person who makes saddles would be called a Saddler.
A person who makes things out of stone is called a stonemason or a stone carver.
The oppisite of what makes a speech good :)
A person who makes mirrors is called a mirror maker or a glassworker specialized in mirror production.
A person who makes whiskey is called a distiller.