Weingarten Realty Investors Lois Robinson has been named vice president of property management for Houston-based Weingarten Realty Investors. Her responsibilities include operating the company's entire portfolio, which includes 251 properties in 14 states, as well as security and tenant relationships of more than 3,300 different tenants. The commercial real estate vertern joins Weingarten from Houston developer Hines Corp., where she was vice president of retail operations.