A [[Los Angeles]] native, Valentina graduated from [[University of California, Berkeley|UC Berkeley]] with a [[Bachelor of Arts|BA]] in [[Comparative literature|Comparative Literature]].
Garza started out as a writers’ assistant on Telemundo’s ''Los Beltrán''.<ref>{{cite web | url=https://www.laweekly.com/how-a-former-simpsons-writer-brought-a-latina-perspective-to-primetime/ | title=How a Former Simpsons Writer Brought a Latina Perspective to Primetime | date=4 May 2016 }}</ref> Other series she worked on include ''[[:ar:الآنسة فرح (مسلسل)|الآنسةMiss فرحFarah]];'', ''[[Bordertown (American TV series)|Bordertown]];'' ''[[The Baker and the Beauty (American TV series)|The Baker and the Beauty]] (US);'' and ''[[George Lopez (TV series)|George Lopez]].''<ref>{{cite web | url=https://www.kcrw.com/culture/shows/the-business/showrunners-on-tv-staffing-season-without-agents/valentina-garza-and-mike-royce-on-tv-staffing-season-without-agents | title=Valentina Garza and Mike Royce on TV staffing season without agents | date=10 May 2019 }}</ref> Valentina was also the [[executive producer]] and screenwriter of the ''Jane the Virgin'' spin-off pilot, ''Jane the Novela.''<ref>{{cite web|last1=Andreeva|first1=Nellie|date=3 December 2018|title='Jane The Vigrin' Spinoff In The Works At CW|url=https://deadline.com/2018/12/jane-the-virgin-spinoff-at-cw-gina-rodriguez-jennie-snyder-urman-ben-silverman-1202513217/|access-date=2021-04-23|website=|publisher=[[Deadline Hollywood|Deadline]]}}</ref> She’s currently under an overall deal with [[NBCUniversal|NBC Universal]]<ref>{{cite web|last1=Andreeva|first1=Nellie|date=13 November 2020|title=Dean Georgaris & Valentina Garza Dramas, Aseem Batra Comedy In Works At NBC From Julie Anne Robinson's CannyLads|url=https://deadline.com/2020/11/dean-georgaris-valentina-garza-dramas-aseem-batra-comedy-nbc-julie-anne-robinsons-cannylads-eden-1234615497/|access-date=2021-04-23|website=|publisher=[[Deadline Hollywood|Deadline]]}}</ref> and has sold pilots to [[American Broadcasting Company|ABC]], [[CBS]], and [[Fox Broadcasting Company|FOX]]. More recently, she was signed to [[Endeavor (company)|WME]].<ref>{{Cite web|last=Hipes|first=Patrick|date=2021-03-11|title='Baker And The Beauty' And 'Jane The Virgin' Writer-Producer Valentina Garza Inks With WME|url=https://deadline.com/2021/03/valentina-garza-hollywood-agency-wme-jane-the-virgin-baker-and-the-beauty-1234711835/|access-date=2021-03-12|website=[[Deadline Hollywood|Deadline]]|language=en-US}}</ref>
Valentina also wrote the lyrics to “Small Strike Zone” and “Off to Work,” “It’s Time,” and “Time to Say Goodbye” in her episodes of The Simpsons: "[[Loan-a Lisa]]" and "[[Four Great Women and a Manicure]]". She was nominated for an Annie Award for the latter episode.<ref>{{cite web | url=https://annieawards.org/legacy/37th-annie-awards | title=49th Annual Annie Awards }}</ref>
