Mary Sue Lyon, who has lead the Power Transmission Distributors Association for 15 years, will retire as executive vice president at the end of 2010.

In a letter to PTDA’s members, past PTDA president John Masek of Bearing Service Inc., Livonia, MI, and current PTDA president Drew Tucci of Eastern Bearings, Inc., Waltham, MA, commended Lyon on her outstanding leadership and commitment to making PTDA into the premiere networking and educational organization in our industry."

Lyon joined PTDA as the executive vice president in August 1994.

Lyon says the decision to retire was tough."My 15 years at PTDA have been a pleasure andthatis largely due to the individuals who have shown great leadership, vision and commitment to the Association and the industry," she said. "It has been …