Keren is a prominent Israeli screenwriter, director, and showrunner, born in Jerusalem in 1971. She is the creator of the award-winning drama Yellow Peppers, which was adapted by the BBC as The A Word and subsequently remade in multiple countries. Margalit holds a BA in humanities with a focus on literature from the Open University of Israel and is also a graduate of the Sam Spiegel Film & Television School in Jerusalem. She is known for her sensitive, character-driven storytelling that often explores emotional and social complexities. Her additional credits include Sleeping Bears, The Deer (a historical drama centered on Eliezer Ben-Yehuda), and she was part of the original writing team of the acclaimed series In Treatment (BeTipul). Her works have been featured in international festivals and academic programs around the world.

Keren was awarded the International Writing Program fellowship at Iowa University to take part in the writing residency program.