Shareholder and General Manager of Taf I. Taloumis & Co Green Coffee Buyer, Q-Grader and focused on Quality Control. Yiannis Taloumis is operating in the coffee sector for 30 years now. The last years he has managed to focus on specialty coffee in the Greek market and that is the reason for which he was awarded from SCA in June 2011 with the Coffee Excellence Innovation Award.
In June 2014, during the World of Coffee Events in Rimini Italy, Yiannis Taloumis was awarded for one more time from SCA with the Coffee Excellence Lifetime Achievement Award for his commitment in the continuous research of high quality coffee.
In 2011 he created the first Q Lab in Europe where Q courses take place in cooperation with CQI and he has acquired the Q Grader Certification (2010).
Finally, he is a SCA certified Authorized Trainer since 2009 and in 2017 he created the certified by SCA training center at taf Roastery.

Stefanos Domatiotis is taf’s barista trainer and a SCA Authorized Trainer. He is founder of Bonavista Gem Series and brand ambassador.

2014-17 Authorised SCAE Trainer
2014-17 WBC & WBrC Certificate Judge
2014 World Brewers Cup Champion
2012 5th Place, WBC Vienna
2012: 1st Hellenic barista champion, Athens
2011: Team member for Best National award, Greece
2011: 4th Place in World Brewers Cup 2011, Maastricht
2011: 10th Place in WBC 2011, Bogota
2011: 1st Hellenic barista champion, Athens
2010: 6th Place in WBC 2010, London
2010: 1st Hellenic barista champion, Athens
2009: 2th Hellenic barista champion, Athens
2008: Participated in World Cupping Championship, Copenhagen.
2007: 6th place in World Latte Art Championship.
2007: Participated in World Good Spirit Championship, Antwerp.
2007: 1st Hellenic Coffee in Good Spirit champion, Thessaloniki.
2007: 1st Hellenic latte Art champion, Thessaloniki.
2006: 19th in World Barista Championship, Berne.
2006: 1st Hellenic barista champion, Thessaloniki.
2005: 20th place in World Barista Championship, Seattle
2005: 5th place in World Latte Art Championship, Athens
2005: 1st Hellenic barista champion, Athens
2004: 22nd place in World Barista Championship, Trieste
2004: 1st Hellenic barista champion, Thessaloniki

Stefanos Paterakis belongs to the new generation of Taf barista team. He has been working with coffee for fourteen years, while the last seven is dedicated to specialty coffee. In 2015 was the first time he participated in the national barista championship, in which he made it to the first place, and a few months later travelled in Seattle, in the international competition of World Barista Champion. In 2016, he participated in the world barista championship in Dublin, in which he won the 13th place.  Besides the preparation of coffee, equally enjoys sharing his knowledge.