 Since 2009 he has written the blog "My Central New York" about historic preservation, history and architecture in Central New York.He has also served on the Facilities Community of Temple Society of Concord (Temple Concord) in Syracuse since 1998 for which he researched and wrote the National Register of Historic Places nomination in 2008 and co-chaired the Building Centennial Committee in 2010-11.Gruber has been active for many years in efforts to document, protect and preserve historic houses of worship in Central New York.