Dr Tracey P. Lauriault is Associate Professor, Critical Media and Big Data, School of Journalism and Communication and Cross Appointed to Digital Humanities, and board member of the Institute for Data Science at Carleton University in Ottawa, Ontario, Canada. She is one of the founders of the field critical data studies, open data and Open Smart Cities, taking a data and technology governance approach to the shaping of large complex systems. Ongoing research involves data preservation, digital twins, smart cities, disaggregated data, Indigenous data and data brokers. As a publicly engaged scholar, she mobilizes her research into data and technology policy across sectors. As a data and technological citizen, she examines large and small data and technology systems with the hope of making them more just, inclusive, equitable and environmentally sustainable. https://orcid.org/0000-0003-1847-2738