I have 40 years’ experience in mathematics education: • 15 years as a high school mathematics teacher and HOD, and • 25 years as a university lecturer, training mathematics teachers In addition, • I have extensive experience in designing and moderating assessment activities in mathematics and mathematical literacy • I have been deeply involved in developing hard copy and online mathematics and mathematical literacy teaching and learning material, including three text book series, two of which I was the coordinating/editing author • I completed a course in proofreading and manuscript editing • I did translations of mathematical manuscripts