Michalis Sifakis

In 2004, Sifakis was called for the Greece national under-21 football team. He played 15 games with the U21 selection. He was member of Greece national team during 2005 FIFA Confederations Cup. In 2009, Greece's national team coach, Otto Rehhagel, invited Sifakis to help the national team qualify for the South Africa 2010 FIFA World Cup. On 14 October, he contributed to his team's victory against Luxembourg. He was also part of the squad for the final tournament. Under coach Fernando Santos, Sifakis played most of his country's UEFA Euro 2012 qualifying matches. Following an injury to regular goalkeeper Kostas Chalkias in Greece' second game of Euro 2012, against the Czech Republic, Sifakis was substituted into the game to replace him and he remained the starting goalkeeper for the rest of the tournament, as Greece reached the Quarter finals of the competition.

OFI

In 1999 Sifakis was transferred to OFI where he played with the B squad of OFI until 2002. In 2002, he signed his first professional contract with the club. He played for OFI until 2007 and participated in 112 matches in the Greek championship and cup.

Olympiacos

In 2007, the team Olympiacos made an offer for Sifakis, which was accepted by OFI, and he played as a replacement of the national goalkeeper Antonis Nikopolidis. During the season 2007–2008 his team won the Greek championship, the Greek Cup and the Greek Super Cup. And then he continued to be the replacement.

Aris

In 2008, Aris made an offer to OFI and Sifakis was transferred to the club. During the season 2008–2009 Sifakis participated in 27 league and cup matches. He participated in all league games of the 2009–2010 season. In the season 2009–2010, he participated with Aris in the final of Greek Cup, losing against Panathinaikos by 1–0. His reaction in the goal, a long-distance shot by Leto, was very slow and his performance was questionable. In the season 2010–2011 he passed the group stage of the Europa League with Aris and were then eliminated by Manchester City of Roberto Mancini, at Round of 32 of the competition. In the following season (2011–2012) he had some medical problems that kept him away from some Aris and national squad's matches. In April 2013 Sifakis demands through his lawyers 988.000 euros from the almost bankrupt Aris, although his unpaid wages are 188.000.

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Michalis Sifakis is the son of former OFI goalkeeper Myron Sifakis, best known for his performance in the 1987 Greek Cup Final, which earned OFI their first and to this date only major trophy. He has two brothers: Vasilis, who is also a goalkeeper and Marios who is a goalkeeper coach. In June 2018, he married his longtime girlfriend Olga Stefanidi. After six years of marriage they separated. Their divorce was finalized in 2024. In January 2026 he participated in the 13th season of Survivor Greece. His strong personality and athleticism distinguished him. Although the show was successful, on May 10 after the serious injury of another contestant, the network canceled the show. No winner was declared that season.

In 2009, the Greek Professional Players Association honored Sifakis with the Fair Play award for his professionalism and ethos, due to his calm and non-violent reaction to a confrontation with a fan in the opening game of the 2009–2010 Greek season away at Iraklis. During the match, Sifakis was approached by an Iraklis fan who had run onto the pitch and began to verbally abuse him. Sifakis did not react and the stewards eventually intervened, removing the fan from the pitch. In the years 2010 and 2011, he was awarded from PSAP as the best goalkeeper in Super League. Olympiacos

Super League Greece: 2007–08 Greek Cup: 2007–08 Greek Super Cup: 2007 Individual

Super League Greece best goalkeeper: 2010, 2011 PSAP fair play: 2009