She spent four seasons with the series, first as script coordinator and later as associate creative consultant, and she had a hand in creating some of the show's most enduring characters (including Adam Pierson and Alexa Bond).
[6] Horvath oversaw Highlander's tie-in novels and other ancillary products, and represented the series at media conventions around the world.
[8] Her other notable TV writing credits include scripts for Xena: Warrior Princess, Forever Knight, Quantum Leap, and the original Beverly Hills, 90210.
[9] During the 2007-08 WGA Strike, Horvath founded the Pink Hat Brigade, a group of female science-fiction and genre writers.
[3] In 2022, Horvath was the show runner and head writer on Supernatural Academy, an animated series on Peacock based on the bestselling books by Jaymin Eve.