Mathini Segar is currently an adjunct professor and consultant at NUS (Faculty of Science). She holds a degree in Chemistry and Life Sciences from NUS and has been an NIE-trained teacher, a curriculum developer and an established author for over 10 years. She has published books in Primary and Secondary Sciences, namely, The Diagnostic Science series, The Integrated Science series and The Science Buddy (Topic by Topic) series with well-known publishers in Singapore.