In 1976, he further improved AEK by acquiring Thomas Mavros, Takis Nikoloudis and Nikos Christidis.

Dušan Bajević and Milton Viera joined the following year making the team even more powerful.

These moved lead to AEK Athens to winning two successive Greek championships, a double in 1978 and an impressive course to the semi-finals of the UEFA Cup in 1977.

This club is the most important thing I've had in my life" In addition to the team's competitive renaissance, Barlos also became their benefactor in matters of facilities, since during his days the club's indoor basketball court and the two-story "covered" stands of the Nea Filadelfeia Stadium were founded.

On 9 June 1981, his dire financial situation that came from his involvement with the club, but also due to his inability to follow the new model of professional football, fearing alienation through the professionalism that was entering into the field of football, Barlos resigned from the presidency of AEK.