While at BYU, Garcia has served on the executive board of the Rey L. Pratt Center for Latin American Studies and the Admissions Committee.
Prior to this he was a sports writer for the Laredo News and a reporter for the San Antonio Express's Westside weekly.
As president of the MHA in 2019 Garcia aimed to make it more inclusive of historical study of the experiences of all Latter-day Saints, especially non-Americans and members of ethnic minorities.
[1] Garcia has written several books including Viva Kennedy: Mexican Americans in Search of Camelot[2] and Chicanismo.
[5] Garcia has also written Viva Kennedy, Mexican Americans in Search of Camelot, Hector P. Garcia: In Relentless Pursuit of Justice, and his most current book is White But Not Equal which tells the story of the Supreme Court case Hernandez v. Texas which deals with jury discrimination against Mexican Americans.