Mary Johnson Children’s Center director departs Fri, 07/10/2020 - 6:04pm John McCright Kristen Dunne, a 20-year veteran of Mary Johnson Children’s Center, has been appointed interim executive director, replacing Dave Mandel. The full text of this article is only available to online subscribers. Are you an online subscriber? Login using the form below. Click here to learn more about our subscription options. If you have a print subscription, you can now add an online subscription at no additional charge! Just email us with your name and mailing address to set it up.