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Guillermo Hyslop

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Adapted from the English Wikipedia article Guillermo Hyslop, available under CC BY-SA 4.0Updated 11 August 2025
Guillermo Campbell Hyslop
Born (1905-07-17) July 17, 1905 (age 121)
Parral, Chihuahua, Mexico
DiedAugust 1, 1993(1993-08-01) (aged 88)
El Paso, Texas, United States
OccupationBusinessman
Known forFounder of The Road Oil Co.; developer of Cielo Vista Mall; investor in El Paso Electric

Guillermo Campbell Hyslop (born 17 July 1905 in Parral, Chihuahua – died 1 August 1993 in El Paso, Texas) was a businessman of Mexican-American heritage.

Early life

Hyslop was born in Parral, Chihuahua to parents James E. Hyslop and Maria Beckmann, belonging to a distinguished Mexican lineage. He grew up in Parral alongside his brothers and sisters before relocating to El Paso, Texas at the age of 15 to finish his secondary education.

Companies and fortune

In 1927, Hyslop started his professional journey overseeing operations at "The Guggenheim Co," a family-owned mining business with activities spanning Mexico, England, Sweden, and the United States. Three years later, in 1930, he partnered with his father James E. Hyslop and invested $2 million to purchase the utility firm El Paso Electric.

Hyslop established "The Road Oil Co." in Texas in 1943. By 1950, this company was ranked among the top ten oil producers nationwide and was eventually acquired by Chevron Corporation in 1963.

In 1974, together with American investors, Hyslop developed Cielo Vista Mall, a prominent retail complex located at the intersection of Interstate 10 and Hawkins Boulevard in El Paso.

Family

He married María Aún, a member of a conservative and influential family of Syrian descent from Chihuahua. The couple had four children: Margarita, Elizabeth, Guillermo, and Santiago.

Death

Hyslop passed away on 1 August 1993 due to cardiac arrest.