Arianna McCool was born on March 24th, 1987 in Anchorage Alaska. She grew up in San Antonio Texas where she attended Douglas MacArthur High School graduating in 2006. She studied Psychology at San Antonio College from 2006-2009. She took a long hiatus from school before going back in 2017. She moved to Tulsa Oklahoma to study Christian Apologetics and Theology at Oral Roberts University from 2016-2017. She loved her studies at ORU, but she knew she wanted to impact people on a global level. She decided to switch her major for the third and final time to study film, media, and creative and professional writing at St Mary's University in London England from 2017-2020. She graduated from St Mary's University Summa Cum Laude with a B.A in Media Arts and Creative and Professional Writing during the global pandemic.

She made her professional acting debut in 2014 in the feature film "The Phone in the Attic" playing Travis' girlfriend. She is known for playing Renee in the short film "Satisfy my Soul," Emily Sikes in the short film "The Darkest Color", and The Ghost of Christmas Present in the short film "A Christmas Carol."

She made her Film Director debut with her student short film Try Once More (2019-2020). Try Once More was nominated for the Audience Choice Award at The Revere International "Student" Film Festival (2020). Try Once More was also a finalist for the 2020 UK Offline Web Fest and was nominated in the categories of best student director, best student short film, best editing, best cinematography, and best actor (Tom Bailey) for the Top Indie Awards (Spring Edition 2020). Try Once More has been accepted into the CFK International Film Festival, UK Offline Web Fest, The Lift-Off Sessions, First-Time Filmmaker Sessions, and the Broadway International Film Festival Los Angeles. Her short screenplay, "The Decision" won best short screenplay at the Top Indie Awards 2020 Spring Edition. "The Decision" was also selected and nominated in the Filmmatic Drama Screenplay Awards.