An Award winning Writer, Director, and Producer for Feature Documentaries, Series Animation, and Live-Action Shorts, Miranda has an eclectic mix of experiences in film, theatre, and even authorship, getting ready to publish the first novel in her “Marisa Romanov” Series. Some of her accolades include an Audience Choice award from the Venice International Film Festival, a iHeart Radio Podcast titled “Inspire Change”, and a Documentary on Amazon Prime titled “Masculinity that Inspires Change”.

A graduate of UT/Austin with a BFA in Film/Television, Miranda's student short True was purchased and screened by L'Entrepôt Cinema in Paris, France (1997). She later directed an art magazine episode for the show Eat Art on PBS. In 2001, she Executive Produced/Wrote/Directed Marisa Romanov, a short that debuted that year at the International Venice Film Festival Official Shorts Selection and received Audience Choice. The short also screened that year at Berlin Film Festival in the Alternate Selection. Spigener-Sapon's play The Flame, in which she directed in 1997, received praised by The Village Voice during it's Off-Broadway run at the former Bleecker Street Theatre in NYC and also by The Houston Press at the NY Deli Theatre in Houston, Texas. Later, in 2017, Miranda directed the 20th anniversary short-run of The Flame in Los Angeles, gaining praise from The Los Angeles Times and several blogger influencers. Miranda has produced and directed a number of local, regional and national commercial spots for television as well as documentary projects as a producer at Discovery Networks that included Walk On, about equine/hippotherapy for the disabled. In 2018, Miranda directed the stage adaptation of her WCOP award-winning, time-travel/sci-fi/romance short story, Coffee with John, which received a glowing mention in The Los Angeles Times and Broadway World. Miranda lives in Los Angeles with her husband Felipe.