Jack Benjamin Grubman is an American former managing director of Salomon Smith Barney and the lead research analyst for the telecommunications sector.
He was born in Northeast Philadelphia, Pennsylvania, to Isador and Mildred Grubman, who was one of 12 children of Russian Jewish immigrants.
During this period, he was the most important analyst of the telecommunications industry during a time of great upward activity in the sector.
[2] The commission found that from 1999 to 2001, Grubman had issued research reports and other documents that concealed material facts and which misled investors.
In a 2001 e-mail, Grubman explained the change was part of a plan to get his children into the 92nd Street YM-YWHA's preschool program.