![University of Waterloo on Twitter: University of Waterloo on Twitter:](https://pbs.twimg.com/media/D9Izt5MXYAA-vd0.jpg)
University of Waterloo on Twitter: "Congratulations to #UWaterloo Professor Ioannis (John) Chatzis of the Department of Chemical Engineering for being named Distinguished Professor Emeritus. @WaterlooENG #UWaterlooGrad 🎓 https://t.co/YFbPCsKYG7" / Twitter
![Ioannis CHATZIS | Professor | PhD | University of Waterloo, Waterloo | UWaterloo | Department of Chemical Engineering Ioannis CHATZIS | Professor | PhD | University of Waterloo, Waterloo | UWaterloo | Department of Chemical Engineering](https://www.researchgate.net/publication/333887018/figure/fig2/AS:962192178434068@1606415900799/Changes-in-the-ratio-of-effective-length-to-apparent-bubble-length-Leff-Lb0-versus_Q320.jpg)
Ioannis CHATZIS | Professor | PhD | University of Waterloo, Waterloo | UWaterloo | Department of Chemical Engineering
Ioannis Chatzis - Function Development Engineer for automotive Electronic Control Units (ECUs) - Kenotom - Embedded Software Solutions | LinkedIn
![Ioannis CHATZIS | Professor | PhD | University of Waterloo, Waterloo | UWaterloo | Department of Chemical Engineering Ioannis CHATZIS | Professor | PhD | University of Waterloo, Waterloo | UWaterloo | Department of Chemical Engineering](https://www.researchgate.net/profile/Ioannis-Chatzis/publication/241791328/figure/fig3/AS:669034857132032@1536521748041/Analysis-of-threshold-capillary-pressures-to-oil-and-water-channels-in-gas-injection_Q320.jpg)
Ioannis CHATZIS | Professor | PhD | University of Waterloo, Waterloo | UWaterloo | Department of Chemical Engineering
Critical Gas CREST on Twitter: "Thank you Prof. Ioannis Chatzis. You weren't just a great instructor, but even a greater father and friend! https://t.co/9H9NmJ98BQ" / Twitter
![How Ioannis Kapodistrias imposed the first quarantine for a plague epidemic | Aristides Hatzis at MEGA channel - Kefim How Ioannis Kapodistrias imposed the first quarantine for a plague epidemic | Aristides Hatzis at MEGA channel - Kefim](https://kefim.org/wp-content/uploads/2020/05/Hatzis.png)