About Us


The Big Day Box’s© founder, Rhiannon O'Leary, has over fifteen years of experience producing major events and weddings across the country.  She loves a fun party but, more importantly, she loves designing experiences that bring people together, to connect, to celebrate, and to build community.

Rhiannon's years of experience have proven to her that an expertly run wedding ensures guests can remain focused on the celebration at hand. With The Big Day Box© she seeks to give busy people everywhere practical and stylish solutions to ensure their weddings run smoothly and look good.

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We believe in the power of events to bring people together to connect, celebrate, and build community. We know that when an event isn’t run well it distracts from what should be a powerful and fun celebration. The Big Day Box© exists to ensure your wedding runs smoothly so your friends and family can have the time of their lives celebrating your marriage! 

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In the spirit of community, we work to partner with local (to us in Oakland, California) small businesses whom we know, love, and trust to produce excellent products.

A few of our favorite partners:

Photography on our site: Ella Sophie Photography

Designs used on products: doodles.ink

Our favorite wedding favor: Cosmik Ice Cream