Background
Blumenthal, D. Jeffrey was born on June 12, 1940 in Evanston, Illinois, United States. Son of Harold and Jeanne (Newberry) Blumenthal.
Blumenthal, D. Jeffrey was born on June 12, 1940 in Evanston, Illinois, United States. Son of Harold and Jeanne (Newberry) Blumenthal.
Bachelor of Engineering in Physics, Cornell University, 1963. Master of Science, Stanford University, 1964. Degree in Engineering, Stanford University, 1969.
Senior engineer Sylvania Electronics Company, Mount View, California, 1965—1969. Vice president Planmetrics, Inc., Chicago, 1969—1978. President, management consultant The Jeffrey Corporation, Deerfield, since 1978.
Adjunct member faculty Northwestern University, Evanston, 1980—1984.
Trustee Village Board, Deerfield, 1976. Chairman CAble TeleVision Committee, Village Deerfield, Illinois, 1980. Member of American Statistical Association, National Association Business Economists, Abbey Springs Yacht Club, Executives Club (Chicago).
Married Joan Hartstein, August 21, 1966. Children: Andrew Samuel, Marianne.