“A master at blending timeless grace with today's fast-paced world, Mariah is on a mission to help us all standout, live intentionally, and exude confidence in every interaction.” ~ Frances Valentine
Meet the Founder
Mariah Grumet Humbert is an etiquette and image consultant, author, and founder of Old Soul Etiquette. Her mission is to inspire and guide people to look their best and feel their best so they can go out into the world and do their best. She champions the idea that etiquette is much more than a set of rules– it is a powerful tool to help individuals build confidence, create meaningful connections, and distinguish themselves. With her warm and modern approach, Mariah helps her clients navigate the nuances of various social and professional situations with ease, kindness, intention, and a strong level of emotional intelligence.
Mariah founded Old Soul Etiquette in 2021, leaving the corporate fashion world to pave her own path. Think of an old-fashioned finishing school- except not old-fashioned at all! She offers bespoke consultations and trainings in etiquette, image, and special events, to blend style, presence, and confidence into one seamless expression of the best version of oneself. Her clientele spans a diverse range of industries, including high jewelry, finance, real estate, hospitality, entertainment, and beyond. Mariah is based in New York City and is available to travel for speaking engagements and events by request.
Mariah is the author of the modern wedding etiquette book, What Do I Do? and The Essential Wedding Planner. Her expertise has been sought after by The Today Show, NBC News, Fox News, Forbes, Southern Living, The New York Post, Travel & Leisure, Brides, Martha Stewart, and more.
Some of Mariah’s favorite things include her family, a hot cup of tea, I Love Lucy, long walks, vintage fashion, a good beach read, a big bowl of pasta, The Marvelous Mrs. Maisel, playing tennis, any Frank Sinatra song, antique shopping, and of course, New York City.
Certifications & More
Graduate of The English Manner and Beaumont Etiquette’s Train the Trainer Grade One Program
Certified in Corporate and Youth Etiquette Training through The Protocol School of Palm Beach
Member of The International Etiquette Trainer Society led by The Protocol School of Southern California
Member of The International Association of Professional Image Consultants
Bachelors Degree in Fashion Merchandising from The University of Delaware Department of Fashion and Apparel Studies
Page Photography: DeVoss Photography and Jesse Volk
