2015 - 2018: Zenex Foundation, Gauteng Education: Evaluation and Knowledge Management for the GDE School Twinning Initiative.
2015 -2016: John Snow International, Gauteng Department of Health: Baseline Assessment of the Data Quality in Gauteng Province Health Facilities
2017 - 2018: Cardno, DfID: Evaluation of three governance networks in Africa.
2010 - 2012: PALAMA (Public Administration, Leadership and Management Academy): Ms Williams was the lead quantitative researcher responsible for the evaluation of the Executive Development Programme which builds the capacity of senior managers in the South African National and Provincial Government Departments. The review also had an e-learning component.