Jack has curated and mounted exhibitions of paintings and sculpture in New York, Washington DC, and New Haven.  He has helped manage two artist's estates, painter Charlotte Lichtblau and sculptor Sy Gresser, whose catalogs and websites he oversees to this day.  Recent exhibitions include Yale Divinity School (2019), Hull's Upstairs Gallery in New Haven (2019), and the George Billis Gallery in Chelsea, NYC (2016).