In directing, Calderón Kellett has worked on episodes of One Day at a Time, Mr. Iglesias, Merry Happy Whatever, United We Fall, and the Mad About You revival.

Her co-authored play Dance Like No One's Looking won the International Student Playscript Competition, judged and awarded by Sir Alan Ayckbourn.

In a successful screenplay collaboration, Kellett's script Passengers and Drivers made it to the semi-finalist round of the first Project Greenlight Competition and she worked for Academy Award-winning writer/director Cameron Crowe on Vanilla Sky.

Kellett was a writer, actress (episode "The Wedding Bride"), executive story editor, and co-producer on the CBS series, How I Met Your Mother, for which she was won an ALMA Award for Outstanding Script in a Drama or Comedy.

As an ambassador for the non-profit ReFrame, which celebrates and encourages gender parity in front of and behind the camera and a partner with the Latinx House/Adelante she supported up and coming Latina directors and DPs by having them shadow on the set of With Love on Season 2.

Her mentor efforts also include working with the Pillars Artist Fellows, co-founded by Riz Ahmed to support Muslim writers and directors.

To offer free advice to new artists at the beginning of their careers, she partnered with Buzzfeed's Perolike to release a web series titled: “Hollywood 101”.

As a part of the Celebrity Ambassador Cabinet for The National Hispanic Media Coalition, she supports their woman-led non-profit civil and human rights organization founded to eliminate hate, discrimination, and racism toward the Latino community.

Her book, Accessories - 30 Monologues for Women has been translated into Italian and is published by Small Fish Studios in the U.S. and Cassini Press in Italy.