Michalevic was born in Minsk to a family of research associates of the National Academy of Sciences of Belarus.

He initiated a number of decisions on widening the powers of local self-governing bodies.

[citation needed] On 27 January 2010, Michalevic officially launched his campaign seeking nomination as an independent candidate in 2011 Belarusian presidential election.

On December 20, 2010, at the election night Michalevic was arrested by KGB agents in his apartment in Minsk.

Under the pressure of a voice heard in the phone, Michalevic asked her to not go to Brussels and Warsaw to give a speech at EU-parliament and Polish Sejm hearings regarding Belarus.

Milana Michalevic was informed that she was banned from travel abroad until her husband's future is decided by the KGB.

Michalevic was awarded “for his courage, determination and perseverance, and … efforts to make Belarus a free and open democracy”.

In addition to his native Belarusian and Russian, Ales is fluent in Polish and English and is learning German.