Ismael Grinberg passed away in Mexico City on June 3 at the age of 91. Grinberg had more than 70 years of experience in the PVF markets, founding many companies along the way including industry stalwarts such Tuvansa and Val-Fit.

His reputation was unmatched, always known as a hard-working, charitable, ethical, and dignified person. He was deeply loved and respected. Known by his family and close friends as “Chief,” Grinberg is survived by his wife, three sons, a daughter, a son-in-law, a daughter-in-law, five grandchildren, and three great grandchildren.