|Occupation||Screenwriter, librettist, novelist|
|Alma mater||University of Colorado at Boulder|
|Notable awards||Laurence Olivier Award for Best New Musical|
|Children||Harper Hearne and Drake Hearne|
|Relatives||Clifford Hach, Kathryn Hach-Darrow, Bruce Hach, Muriel Hach|
Hach graduated from the University of Colorado at Boulder's School of Journalism, and later worked as a research assistant at The New York Times' Denver bureau and as a magazine editor at Sports and Fitness Publishing.
A 1999 recipient of the Walt Disney Screenwriting Fellowship, Hach wrote the screenplay for the 2003 remake Freaky Friday with Leslie Dixon, and both were nominated for a Saturn Award for Best Screenplay for the film.
Hach wrote the libretto for the 2007 musical Legally Blonde, based on the Amanda Brown novel and the 2001 film of the same name, and was subsequently nominated for a Tony Award for Best Book of a Musical and a Drama Desk Award for Outstanding Musical. Legally Blonde Also won the Laurence Olivier Award for Best New Musical. In 2008 Hach appeared on MTV's Legally Blonde: The Musical – The Search for Elle Woods, a series created to find a replacement for the lead actress then appearing in the musical on Broadway.
- "Heather Hach Bio: Legally Blonde The Musical: The Search For Elle Woods". MTV.com. Retrieved January 13, 2009.
- Franklin, Leah (Fall 2003). "The write thing pays off for Hach". Colorado.edu. Archived from the original on June 12, 2010. Retrieved January 13, 2009.
- Marks, Peter (December 20, 2008). "Blonde Is From a Bottle: Fizzy, Bubbly -- and Yet Flat". The Washington Post. WashingtonPost.com. Retrieved January 13, 2009.
- "2007 Tony Award Nominations and Winners". The New York Times. NYTimes.com. May 14, 2007. Retrieved January 13, 2009.
- "52nd Annual Drama Desk Awards Nominations Announced". DramaDesk.com. April 26, 2007. Archived from the original on July 25, 2008. Retrieved January 13, 2009.
- Kinon, Cristina (June 2, 2008). "Legally Blonde the Musical: The Search for Elle Woods kicks off". Daily News. NYDailyNews.com. Retrieved January 13, 2009.
- "Freaky Monday by Mary Rodgers and Heather Hach". Amazon.com. Retrieved January 13, 2009.