Quinto practices municipal, land use planning and development law. He has over 30 years of experience as an advocate, appearing before the Local Planning Appeal Tribunal(formerly the OMB) in hundreds of cases. He has practiced his entire career as a lawyer at Loopstra Nixon.

Quinto is an accomplished author and lecturer, frequently speaking at conferences throughout North America. He is the author of a Thompson Reuters publication entitled “Municipal Lands: Acquisition, Management and Disposition” and is a contributing author and consulting editor for two other texts.