Allison Transmission Exec to Retire

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As a subscriber you can listen to articles at work, in the car, or while you work out. Subscribe NowMichael Headly has announced he’s retiring from Indianapolis-based Allison Transmission Holdings Inc. He is senior vice president for global marketing, sales and service. Headly is retiring after 29 years of service to General Motors Co. and subsequently Allison. Headly’s last day will be March 31, 2016.