Kostas Mammas's following
- Aki Vehtariavehtari
- Yihui Xieyihui
- Hadley Wickhamhadley
- Julia Shimanskiyju-shim
- Bill Chambersbllchmbrs
- Hong Ooihongooi73
- Leland McInneslmcinnes
- Mackmacks22
- James O'Neillthejamesone
- Matt Dowlemattdowle
- Jan Goreckijangorecki
- Arun Srinivasanarunsrinivasan
- Victor Oliveira Antoninoviolivei
- Chibisi Chima-OkerekeActiveAnalytics
- Javier Arturo Porras Luraschijavierluraschi
- yanetmi
- Andreas Effraimisaefremis
- Georgios Kaiafaskfsgiorgos
- Jon Dukejduke99
- Winston Changwch
- Lampros KaimakamisLamprosKai
- Yu Gongarmgong
- Douglas Batesdmbates
- Ramnath Vaidyanathanramnathv
- Antonio Piccolbonipiccolbo
- Bruce Shinssshow16