Liezl is Senior Manager: Organisational Ethics at The Ethics Institute (TEI) in South Africa and immediate past President of the Business Ethics Network of Africa (BEN-Africa). She completed her PhD in Applied Ethics in 2022. She is a seasoned facilitator for The Ethics Institute and the Institute of Directors South Africa, and guest lecturer at the Innsbruck University of Applied Sciences (Austria), and some business school in SA. She speaks at local and international conferences, is a commentator in the media on ethics and whistleblowing, a moderator, author of business and military ethics related articles. She has written a Whistleblowing First Responder Guide, as well as the Whistleblowing Management Handbook. She co-authored the Ethics and Compliance Handbook and Institutionalising Ethics Handbook and contributed to the Ethics Office Handbook. Together with the Institute for Business Ethics (UK), she focuses on the development of non-retaliation tools to assist organisations and whistleblowers.
Liezl serves on the Council of the Cape Peninsula University of Technology (CPUT), is a member of the Inaugural Committee of the International Society of Military Ethics for Africa (Afro-ISME), and serves on the Advisory Boards of BEN-Africa and Visslan (a whistleblowing service provider in Sweden). She is a research associate at US (Philosophy Department) and represented South Africa at the global technical working groups for ISO 37000, the ISO Standard for the Governance of Organisations, and ISO 37002, the ISO Whistleblowing Management Standard.