Gemma Dawson , BS » R-Ladies complete list Go back to directory. Add to Address Book. Gemma Dawson, , BS Data Analyst – Forensic Technology Solutions PwC City Johannesburg South Africahome Website: GitHub Biographical Info R-Groups: South Africa satRday (2019, 2020) Presented for Jozi RUsers & R-Ladies Johannesburg Interests: Visualisation, Text Mining & Sentiment Analysis, Reproducible Research, Operations Research, Machine Learning, Tidyverse, Network Analysis, Women in STEM Contact method: Twitter, LinkedIn Categories: South Africa, Speaker Updated 3 years ago.