His death, announced by the CMH board on Tuesday, marks the end of an association with the automotive group that stretches back almost five decades. He was a founding director of the business and served on its board from 1976, playing a central role in its development into one of South Africa's established automotive retail groups.
A qualified chartered accountant, Jebb was closely involved in the group's growth and strategic direction. CMH began its operations in 1976 following the merger of retail motor dealerships and subsequently listed on the Johannesburg Stock Exchange in 1987.
Over the years, the business expanded its interests beyond traditional vehicle retailing to include vehicle distribution, car rental and financial services.
Today, CMH represents a wide range of vehicle manufacturers through its dealership network and operates First Car Rental, alongside its other automotive-related businesses. According to the group's website, its operations include 102 dealerships, 36 vehicle brands and 51 car rental outlets.
McIntosh remained closely involved in the business throughout his tenure, earning the respect of colleagues and industry stakeholders for his knowledge of the motor industry and approach to managing the group.
In its announcement, CMH described him as a person whose life was dedicated to building the company.
"For those in the motor industry, Jebb and CMH were synonymous," the board said, adding that his knowledge of the industry was second to none and that his guidance and input would be sorely missed.
CMH chairman James Dixon paid tribute to Jebb's commitment, revealing that he was still actively directing the group's activities on the day of his passing. "Up until the moment that he passed, Jebb was having a typical day in the office, directing the activities of his beloved CMH."
He described Jebb as a business icon who had left an enduring legacy, highlighting his business acumen, attention to detail and ability to navigate complexity.
His lengthy association with CMH also made him its longest-serving director, having been part of the board since the group's formation.
His contribution extended beyond the development of the dealership network, with CMH evolving over the years to accommodate changing consumer demands, new vehicle manufacturers and developments in the South African automotive market.
He is survived by his wife, Liz, his daughters Donna, Samantha, Sarah-Lynn, Anne and Cathy, and their families.
The CMH board and management team extended their heartfelt condolences to his family, friends and colleagues.