J.J. McDonnell
Mary Hartley has extensive experience in financial management, serving as Controller and Director of Finance at J.J. McDonnell & Co., Inc. since April 1990. With a Bachelor's degree in Accounting from the University of Baltimore, earned between August 1983 and December 1987, Mary Hartley has developed a strong foundation in accounting principles and practices, contributing to over three decades of professional expertise in the finance sector.
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