Senator Pete Flores was born in Minot, North Dakota and was raised in South Texas, graduating from Laredo Martin High School and then attending Laredo Junior College before transferring and graduating from Texas A&M University.

Senator Flores spent most of his career as a Texas Game Warden, serving the state for 27 years and achieving the rank of Colonel. In this capacity Senator Flores was responsible for a 60 million dollar budget, 27 field offices, 127 civilian employees, and 532 Commissioned Texas Game Wardens with a statewide operational scope and patrol out to 9 nautical miles into the Gulf of Mexico. Senator Flores was the first Hispanic Texas Game Warden Colonel in history. Senator Flores honorably retired from state service in 2012.

In previous service, Senator Flores was appointed by Governor Perry to serve on the State Employee Charitable Campaign Committee, and was appointed by Governor Greg Abbott to serve as a commissioner on the Education Commission of the United States. He holds a Texas Master Peace Officer certificate, is a graduate of the Governors Executive Development School from the LBJ School of Government at UT, and is a Fellow of the National Conservation Leadership Institute.

Senator Flores was first elected in a special election in 2018, becoming the first Hispanic Republican in the Texas Senate, and again elected in 2022 to serve Senate District 24. During the 88th Regular Legislative Session, he served as the Vice Chair for the Senate committees on Border Security and Criminal Justice. Senator Flores was named Chairman of the Senate Committee on Criminal Justice in January of 2024. He is also a member of the Finance, Education, and Water, Agriculture, and Rural Affairs committees.

In March of 2024, Senator Flores co-founded, along with several House members, the Texas Hispanic Republican Caucus, with the goal to amplify the voices and priorities of conservative Hispanics from across the state.

He lives in Pleasanton with his wife, Elizabeth, and has two daughters and two grandsons.