Sad to report.
He died on August 31 at Memorial Sloan-Kettering Cancer Center in Manhattan following a 16-month battle with leiomyosarcoma, or LMS, a rare cancer of the soft tissue, according to his wife, Mina Brenneman. A father of three, he was a resident of Chappaqua, New York, and stopped working only in mid-July when he had his final surgery, his wife said.
At Morgan Stanley, owner of the world’s largest brokerage, Brenneman specialized in prime brokerage and worked at the firm’s Manhattan headquarters.
Brenneman jumped to finance after starting his career in another demanding field, law.
'After the birth of his first son, he couldn’t stand the hours anymore', Mina Brenneman said in an interview. 'He went from 80 hours a week to 60 hours a week. We thought that was a vast improvement'.
In April, about 200 Morgan Stanley colleagues attended the annual fundraising gala of the Sarcoma Foundation of America to see Brenneman receive the group’s Courage Award for 'strength and perseverance' in battling the disease. He raised hundreds of thousands of dollars toward sarcoma research.
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