Mary Adedayo is an Associate Professor (tenured) in the Department of Applied Computer Science at The University of Winnipeg. Prior to working at The University of Winnipeg, she was a faculty member at the University of Pretoria in South Africa until 2016. She later worked in the industry until she joined The University of Winnipeg in 2019.

Her current research interests are motivated by a desire to find solutions to data security issues in computing, the ability to gather evidence from technical systems, and a desire to promote digital inclusion within society. Currently, her research is focused on digital forensics, databases - specifically the forensic investigation of database systems, data security and privacy, digital document examination, Artificial Intelligence (AI) in policing, data security and privacy for older adults, and cybersecurity. Her research has received recognition in the form of awards and fellowships from various organizations, including the Organization for Women in Science for the Developing World (OWSD), the Heidelberg Laureate Forum, L'OREAL-UNESCO, ANSTI/DAAD and Google.

She has authored and co-authored several academic publications and supervised graduate students. She is a member of the Organization for Women in Science for the Developing World (OWSD), the IFIP working group 11.9 on digital forensics, the American Academy of Forensic Sciences (AAFS) Digital and Multimedia Section, the Canadian Society of Forensic Sciences (CSFS), the Institute of Electrical and Electronics Engineers (IEEE), Association of Computing Machinery (ACM), and the Canadian Black Scientists Network (CBSN). Mary Adedayo is also a co-founder of the Black Scientists Network at the University of Winnipeg.