Dallas-based developer appoints Ryan Monteiro to Chief Operating Officer; Tisha Vaidya to Director of Acquisitions Oaxaca Interests, a Dallas-based investment, development and asset management company, has expanded its executive team in an effort to strategically grow its urban land and retail portfolio. The company has appointed Ryan Monteiro to the role of Chief Operating Officer and Tisha Vaidya to the position of Director of Acquisitions. “Ryan and Tisha bring impressive