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Jack Lennemann has extensive experience in the fire protection industry, currently serving as an Estimator and Project Manager at John E. Green Company since April 2009. Prior to this role, Jack worked at American Fire Protection for 30 years, starting as a Sprinkler Fitter Apprentice and advancing to the position of Estimator and Project Manager. Jack's educational background includes attendance at Michigan State University in 1974 and graduation from DeWitt High School in 1974.