Mariah Grumet Humbert

About the Author

Mariah Grumet Humbert is an etiquette expert and the founder of Old Soul Etiquette, an etiquette consulting and training company, which champions the idea that manners are about far more than a set of rules but a powerful tool to help individuals shine with confidence in every personal or professional situation, allowing them to form meaningful connections and stand out with authenticity. She is certified in Corporate and Youth Etiquette Training through The Protocol School of Palm Beach and is a member of The International Etiquette Trainer Society, with clientele spanning a diverse range of industries, including high-end jewelry, finance, real estate, hospitality, entertainment, technology, education, and beyond.

By the Author