“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
Welcome!
As a certified etiquette trainer and author, Mariah Grumet Humbert is on a mission to bring an intentional sparkle back to a lost art. She believes etiquette is much more than just a set of rules– it is a powerful tool to help individuals build confidence, create stronger connections, and distinguish themselves. In her pursuit to redefine the meaning of etiquette, she helps her clients master the nuances of various social and professional situations with authenticity, consideration for others, and a strong level of emotional intelligence. Mariah founded Old Soul Etiquette in 2021 when she left her career in fashion to pursue her lifelong passion: empowering others to shine their light through her approachable and vibrant take on etiquette. Mariah is based in NYC and is available to travel by request.
OSE’s Services
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Old Soul Etiquette offers on-site and virtual etiquette presentations to empower teams and groups to polish their presence, become more effective communicators, improve their confidence, and reach their full potential in their personal and professional lives. All speaking engagements and special event presentations are customized to fit the needs and goals of each organization or group. Please fill out the form to learn more.
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Old Soul Etiquette offers Business Etiquette training both in-person and virtually to empower teams to polish their professional presence, become more effective communicators, improve client relations and more. All trainings and workshops are customized to meet the needs, goals, and values of each individual company and industry. Mariah’s clients span across industries such as high jewelry, finance, education, real estate, talent management, utility, hospitality, and more.
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Private sessions with Mariah are completely customized to fit the personal goals and needs of each individual. Both virtual and in-person sessions are available.
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Learn on your own time and at your own pace with Old Soul Etiquette’s library of on-demand webinars!
Mariah’s Books
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What Do I Do? Every Wedding Etiquette Question Answered
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The Essential Wedding Planner... Coming Soon!
Mariah on The Today Show
Join Mariah as she gives Hoda and Jenna a lesson in Afternoon Tea Etiquette at Tiffany’s exquisite Blue Box Cafe by Chef Daniel Boulud.
Mariah in The New Yorker
Mariah sits down with “S.N.L” alum, comedian, and actress kate mckinnon to change her view on etiquette.
Mariah on Inside Edition
Inside Edition asked Mariah for her tips on how couples can keep their weddings ‘politics-free’
