- Zürich: Mario Pastorelli (@melrief)
- Augsburg, Munich: Frank S. Thomas (@fthomas)
- Munich: Nepomuk Seiler (@muuki88)
- Munich: Sebastian Wiesner (@lunaryorn)
- London: Kingsley Davies (@kings13y)
- Brighton/London: Miles Sabin (@milessabin)
- London: Noel Markham (@noelmarkham)
- London: Yilin Wei (@yilinwei)
- London: Zainab Ali (@zainab-ali)
- Milano: Gabriele Petronella (@gabro)
- Pawel Szulc (@rabbitonweb)
- Marcin Matuszak (@mrcmatuszak) - TL Summit as a part of Scalapolis.pl conference
- NY, New York: Kailuo Wang (@kailuowang)
- NY, New York: Miguel Iglesias (@caente)
- OR, Portland: Rob Norris (@tpolecat)
- OR, Portland: Shane Delmore (@ShaneDelmore)
- PA, Philadelphia: Stephen Carman (@hntd187)