![The English School on Twitter: "Between 4th & 10th October, our students participated and celebrated World Space Week. This year's theme was “How satellites improve life” and Astronomy Club members, Ioannis Christou The English School on Twitter: "Between 4th & 10th October, our students participated and celebrated World Space Week. This year's theme was “How satellites improve life” and Astronomy Club members, Ioannis Christou](https://pbs.twimg.com/media/Ek_3n5MWkAA1FnV.jpg)
The English School on Twitter: "Between 4th & 10th October, our students participated and celebrated World Space Week. This year's theme was “How satellites improve life” and Astronomy Club members, Ioannis Christou
![Force Commander Rear Admiral zur Mühlen (left) and HS Psara's commanding officer, Commander Ioannis Christou (right). | Eunavfor Force Commander Rear Admiral zur Mühlen (left) and HS Psara's commanding officer, Commander Ioannis Christou (right). | Eunavfor](https://eunavfor.eu/wp-content/uploads/2014/04/103_comp.jpg)
Force Commander Rear Admiral zur Mühlen (left) and HS Psara's commanding officer, Commander Ioannis Christou (right). | Eunavfor
![Greece's Stergios Papachristos, Ioannis Tsilis, Georgios Tziallas and Ioannis Christou celebrate after finishing second in their men's four semi-finals rowing event during the London 2012 Olympic Games at Eton Dorney August 2, 2012. REUTERS/Mark ... Greece's Stergios Papachristos, Ioannis Tsilis, Georgios Tziallas and Ioannis Christou celebrate after finishing second in their men's four semi-finals rowing event during the London 2012 Olympic Games at Eton Dorney August 2, 2012. REUTERS/Mark ...](https://c8.alamy.com/comp/2CWM1PP/greeces-stergios-papachristos-ioannis-tsilis-georgios-tziallas-and-ioannis-christou-compete-in-the-mens-four-rowing-heats-during-the-london-2012-olympic-games-at-eton-dorney-west-of-london-july-30-2012-reutersdamien-meyerpool-britain-tags-sport-olympics-rowing-2CWM1PP.jpg)
Greece's Stergios Papachristos, Ioannis Tsilis, Georgios Tziallas and Ioannis Christou celebrate after finishing second in their men's four semi-finals rowing event during the London 2012 Olympic Games at Eton Dorney August 2, 2012. REUTERS/Mark ...
![Ioannis Christou, Stergios Papachristos, Georgios Tziallas, Ioannis Tsilis - Ioannis Christou and Georgios Tziallas Photos - Zimbio Ioannis Christou, Stergios Papachristos, Georgios Tziallas, Ioannis Tsilis - Ioannis Christou and Georgios Tziallas Photos - Zimbio](https://www4.pictures.zimbio.com/gi/2012+Samsung+World+Rowing+Cup+Day+Three+UbSjHBwUN-ux.jpg)
Ioannis Christou, Stergios Papachristos, Georgios Tziallas, Ioannis Tsilis - Ioannis Christou and Georgios Tziallas Photos - Zimbio
![Quantitative Methods in Supply Chain Management: Models and Algorithms, Christou, Ioannis T., eBook - Amazon.com Quantitative Methods in Supply Chain Management: Models and Algorithms, Christou, Ioannis T., eBook - Amazon.com](https://images-na.ssl-images-amazon.com/images/I/41YaDxDkMkL._SX314_BO1,204,203,200_.jpg)
Quantitative Methods in Supply Chain Management: Models and Algorithms, Christou, Ioannis T., eBook - Amazon.com
![Greece's Stergios Papachristos, Ioannis Tsilis, Georgios Tziallas and Ioannis Christou celebrate after finishing second in their men's four semi-finals rowing event during the London 2012 Olympic Games at Eton Dorney August 2, Greece's Stergios Papachristos, Ioannis Tsilis, Georgios Tziallas and Ioannis Christou celebrate after finishing second in their men's four semi-finals rowing event during the London 2012 Olympic Games at Eton Dorney August 2,](https://c8.alamy.com/comp/2E6BJD2/greeces-stergios-papachristos-ioannis-tsilis-georgios-tziallas-and-ioannis-christou-celebrate-after-finishing-second-in-their-mens-four-semi-finals-rowing-event-during-the-london-2012-olympic-games-at-eton-dorney-august-2-2012-reutersjim-young-britain-tags-sport-rowing-olympics-2E6BJD2.jpg)
Greece's Stergios Papachristos, Ioannis Tsilis, Georgios Tziallas and Ioannis Christou celebrate after finishing second in their men's four semi-finals rowing event during the London 2012 Olympic Games at Eton Dorney August 2,
![Stergios Papachristos, Ioannis Tsilis, Georgios Tziallas and Ioannis Christou of Greece pose with their silver medals after the Men's Four final at the World Rowing Championships in Bled September 4, 2011. REUTERS/Srdjan Stergios Papachristos, Ioannis Tsilis, Georgios Tziallas and Ioannis Christou of Greece pose with their silver medals after the Men's Four final at the World Rowing Championships in Bled September 4, 2011. REUTERS/Srdjan](https://c8.alamy.com/comp/2D03P1C/stergios-papachristos-ioannis-tsilis-georgios-tziallas-and-ioannis-christou-of-greece-pose-with-their-silver-medals-after-the-mens-four-final-at-the-world-rowing-championships-in-bled-september-4-2011-reuterssrdjan-zivulovic-slovenia-tags-sport-rowing-2D03P1C.jpg)
Stergios Papachristos, Ioannis Tsilis, Georgios Tziallas and Ioannis Christou of Greece pose with their silver medals after the Men's Four final at the World Rowing Championships in Bled September 4, 2011. REUTERS/Srdjan
![POPT4JLIB: PARALLEL (AND DISTRIBUTED) OPTIMIZATION LIBRARY IN JAVA | Ioannis T. Christou | 1 updates | Research Project POPT4JLIB: PARALLEL (AND DISTRIBUTED) OPTIMIZATION LIBRARY IN JAVA | Ioannis T. Christou | 1 updates | Research Project](https://i1.rgstatic.net/ii/profile.image/272780394496003-1442047322151_Q512/Ioannis-Christou-2.jpg)