Mandy Antoniacci is an Author, Columnist, Founder, and award-winning Storyteller, whose thought-provoking work explores themes such as hope, healing, resiliency, and peace through the power of story. She was named "The Voice of Optimism needed for this generation" by Forbes, "An Entrepreneur To Watch in 2021" by Business Insider, and "Most Inspiring People To Follow" by Huff Post. She is the author of numerous articles and a regular contributor to media outlets on personal development. She has been featured in Forbes, Inc Magazine, Yahoo Entertainment, Sports Illustrated, and on the TED stage. Her debut book is scheduled for publication in Winter 2023. She is represented by Park & Fine Literary And Media Agency.

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After eight unexpected spinal surgeries, Mandy spent 21 weeks of bed rest, elevated in a hard brace. As a marathoner, immobility was daunting. Mandy leaned into the power of words to help her heal. From an isolated recovery bed, she started sharing what she wrote and, as a result, built a global fanbase reaching over half a million people weekly.

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Mandy turns poetic insights from her inspiring journey of resilience and reinvention into viral writings, highly relatable brands, and sold-out venues. She has shared the stage with prolific storytellers such as Ron Howard, global wellness luminaries like Brene Brown, Deepak Chopra, and motivational sports figures such as Tony Hawk and Shaquille O'Neal.

Amid the 2020 coronavirus pandemic, Mandy created a project authoring inspiring reflections and personalized letters to strangers to help address its global mental health toll. The project received hundreds of submissions from five countries within one week and was used to uplift frontline workers daily. It has since reached 48 countries and has been translated into several languages. In the spring of 2023, Mandy is launching her first-ever community and lifestyle brand inspired by two little words that started every letter she received—Dear Mandy, 

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A transformative storyteller, Mandy collaborates with global brands such as Asics and KIND—where she is an International Spokesperson and a face of their campaign, "Be KIND To Yourself."

Mandy previously held appointments at two of the world's largest communication holding companies—Omnicom and Publicis, where she grew to become one of the youngest executives in the advertising industry, managing and building Cannes-award-winning campaigns in 12 countries for brands such as Cartier, Hilton Worldwide, The Olympics, and US Open Tennis. Here Mandy was hand-selected and graduated from Babson College & Harvard Business School's Graduate Leadership Program.

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Mandy resides in New York City, usually with her dog writing or learning to run again in preparation for her next marathon—because there will be another.