Elizabeth Hamilton-Guarino is an award-winning bestselling author and internationally recognized speaker whose work empowers individuals and organizations to navigate change, cultivate peace, build resilience, and lead with purpose.

She is the founder and CEO of Best Ever You, CEO of Compliance4, co-founder of The Percolate Peace Project, and host of The Best Ever You Show. Through her books, speaking, media, and leadership, Elizabeth inspires people around the world to create meaningful personal and professional transformation.

Extended Bio

She is the founder and CEO of Best Ever You, CEO of Compliance4, co-founder of The Percolate Peace Project, and host of The Best Ever You Show. For more than two decades, Elizabeth has helped leaders, families, communities, and organizations embrace change with greater confidence, compassion, and resilience.

Elizabeth is the author of The Change Guidebook and The Success Guidebook, and co-author, with Dr. Katie Eastman, of The Peace Guidebook and Percolate: Let Your Best Self Filter Through. Published by HCI Books, home of the iconic Chicken Soup for the Soul series, her work has earned national and international recognition, including endorsements from Jack Canfield and recognition from Oprah Daily, Kirkus Reviews, Fox 5 DC, and numerous literary award organizations.

A passionate advocate for food allergy awareness, Elizabeth is the founder of Food Allergy Zone and a longtime spokesperson for FAACT and MedicAlert. After surviving multiple life-threatening episodes of anaphylaxis, she transformed her personal experience into a lifelong commitment to education, advocacy, inclusion, and kindness.

Elizabeth lives in Maine with her husband, Peter, and is the proud mother of four sons.

At the heart of everything she does is one simple belief: we are not entitled to time. Because of that, she strives to help people live with greater purpose, compassion, and peace—and to leave every person and every place better than she found them.

Full Bio

She is the founder and CEO of Best Ever You, CEO of Compliance4, co-founder of The Percolate Peace Project, and host of The Best Ever You Show. Through her books, speaking, media, executive leadership, and advocacy, Elizabeth has inspired millions of people around the world to embrace meaningful personal and professional transformation.

Before founding Best Ever You in 2008, Elizabeth built a successful career in financial services and regulatory compliance, becoming a recognized leader in SEC reporting, EDGAR technology, and compliance consulting. Today, she continues to lead Compliance4 while helping organizations strengthen leadership, navigate change, and build cultures rooted in trust and resilience.

Elizabeth is the author of The Change Guidebook and The Success Guidebook, and co-author, with Dr. Katie Eastman, of The Peace Guidebook and Percolate: Let Your Best Self Filter Through. Her books, published by HCI Books and Hay House, have received numerous national and international awards and have been recognized by Oprah Daily, Kirkus Reviews, Fox 5 DC, and leading voices in personal development, including Jack Canfield.

Her work extends beyond publishing. Through keynote presentations, executive coaching, online education, podcasts, and community initiatives, Elizabeth helps people discover that peace, resilience, and authentic leadership are daily practices that create extraordinary lives.

Elizabeth is also a passionate advocate for food allergy awareness. After surviving multiple life-threatening episodes of anaphylaxis—including one while six months pregnant with her son Cameron—she founded Food Allergy Zone and has spent decades educating, advocating, and supporting families through her work with FAACT, MedicAlert, and award-winning children's books co-authored with Sally Huss.

Known affectionately as the "Chief Cookie Baker," Elizabeth has baked and donated thousands of homemade nut-free chocolate chip cookies to children, families, schools, hospitals, first responders, and communities across the United States. What began as one act of kindness has become a lasting symbol of inclusion, compassion, and belonging.

Elizabeth and her husband, Peter, have been married for nearly three decades and are the proud parents of four sons.

At the heart of Elizabeth's work is one simple belief: we are not entitled to time. Every book she writes, every audience she addresses, every organization she serves, and every act of kindness she shares is guided by a commitment to help people navigate change with courage, cultivate peace in their everyday lives, and leave the world better than they found it.

When your life touches Elizabeth's, her hope is simple: that both lives are better because of it.