![When Jim De Matté moves to his role overseeing the schools River Park Campus full-time in January, current Upper School Plant Manger Dave Mintz 87 will take over as Chief of Campus Operations and Construction.](https://hwchronicle.com/wp-content/uploads/2021/10/DMarks_SchoolCollage_1019.png)
Position changes in Maintenance Department announced
Davis Marks and Will Sherwood
• October 24, 2021
Construction work closes Upper St. Michaels
Jenny Li
• January 12, 2017
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