He joined Pashinyan's Civil Contract party and was nominated as their candidate for mayor of Yerevan.

Marutyan became the first mayor of Yerevan to be removed by a vote of no confidence by the Yerevan City Council in December 2021 amid political disagreements with the ruling government and Civil Contract party, which he left in December 2020.

[4] He later served his mandatory military conscription at a special unit of the National Security Service until 1998.

[citation needed] Marutyan is married to Iva, a Czech national whom he met in 2004.

[4] On 30 July 2018, Marutyan was named by Civil Contract as their candidate for mayor of Yerevan after the resignation of Republican Taron Margaryan.

It culminated in Marutyan unilaterally terminated all contracts with the company in October 2019 after fining it several times.

[9] In July 2019 Armenia's State Revenue Committee opened a criminal investigation against Sanitek.

The Prosecutor General’s Office announced in September 2019 that Sanitek and former city authorities had caused financial damage to Yerevan in the amount of AMD 5.3 billion ($11.1 million).

"[11] In April 2019, the Yerevan municipality set up a public-run agency to gradually replace Sanitek,[12] which effectively occurred in September 2019.