As a certified etiquette trainer and founder of Old Soul Etiquette, Mariah Grumet's mission is to bring an intentional sparkle back to a lost art. Her teaching method puts a modern and approachable twist on timeless lessons of etiquette, manners, and respect to help her clients create stronger connections, distinguish themselves, and reach their full potential in their personal and professional lives. She is honored to work with individuals of all ages and backgrounds located across the globe. Old Soul Etiquette's services include private consulting, group sessions, webinars, speaking engagements, and special events on the following topics: youth, social, dining and business etiquette, personal branding, wedding preparation, style consulting, and more. Mariah has expanded her mission's reach as the author of What Do I Do? Every Wedding Etiquette Question Answered.

Mariah is a graduate of the University of Delaware with a Bachelor's Degree in Fashion Merchandising. She is certified to teach etiquette through Jacqueline Whitmore, Founder of the Protocol School of Palm Beach, a graduate of The English Manner and Beaumont Etiquette's Train the Trainer Grade One Program, and a member of the International Etiquette Trainer Society.

Old Soul Etiquette has been seen in Forbes, Southern Living, The New York Post, Fox 5 NY, The Spruce, and more.