Michael Mehaffy

Michael Mehaffy, Ph.D., is a development consultant, researcher, planner, designer, author, and president of Structura Naturalis Inc., his consultancy. He has held ten university appointments in eight countries in research and/or teaching, including most recently as Senior Researcher at the University of Notre Dame. He is a Fellow of the Congress for the New Urbanism and the Urban Guild.

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Article image for Never mind NIMBY and YIMBY–it’s time for ‘QUIMBY’ urbanism Development

Never mind NIMBY and YIMBY–it’s time for ‘QUIMBY’ urbanism

We need a major rethink of gentrification and affordability challenges if we’re going to get anywhere. “Quality In My Back Yard” may offer a path.
MICHAEL MEHAFFYJUL. 13, 2021
Article image for Why we need ‘sociable distancing’ Health

Why we need ‘sociable distancing’

The false duality between dense public spaces and isolated private ones misses the complexity of all the diverse—and relatively safe—urban places in between.
MICHAEL MEHAFFYMAR. 30, 2020
Article image for Busting the myth that alleys cost more Affordability

Busting the myth that alleys cost more

A careful apples-to-apples analysis shows that the classic urban pattern can actually cost less – but it mostly depends on the shape of the lots.
MICHAEL MEHAFFY, LAURENCE QAMARNOV. 14, 2025