Professor Hollander has taught Autosegmental and Lexical Phonology at the CUNY Graduate Center, Neurolinguistics at NYU in the Masters Program in Speech Pathology, Cognitive Science & Linguistics at the Thomas Hunter Honors Program and The History of the English Language and The Structure of Modern English at Hunter College. He is active in urban planning, helping to coordinate the community planning process in Manhattan's Chinatown; is an active member of Occupy Wall Street Alternative Banking Group and blogs regularly on SavetheLowerEastSide.blogspot.com and LanguageandPhilosophy.wordpress.com. He has most recently been a guest speaker at Columbia's Masters Program in Urban Planning, a speaker and examiner in Columbia's Masters Program in Architecture, has addressed AltBank on zoning and lectured at the Historic Districts Council on the history of ghetto real estate and the history of the tenement.