[1] He was born on August 27, 1922, in Cabo Rojo, Puerto Rico, to Hemenio Brau Delgado and Cándida Rosa del Toro Montalvo.
He graduated from the College of Agriculture and Mechanical Arts in Mayagüez with a degree in engineering in 1944.
During his life he presided many institutions such as, the Puerto Rico Manufacturers Association, the Association of Rum Producers, Phi Sigma Alpha Fraternity, and the "Club Caborrojeño del Área Metropolitana" this last one he was a founder and honorary president.
[1] He was a member and council for a number of boards and commissions in the private and public sector.
The "Club Caborrojeño del Área Metropolitana" offers the Herminio Brau del Toro Scholarship for engineering or natural science students of the University of Puerto Rico at Mayagüez.