[3] He was one of the first Armenian members of Turkey's parliament in decades alongside Garo Paylan (HDP) and Selina Özuzun Doğan (CHP).

[3] Esayan also worked as the publishing coordinator and a columnist of Taraf daily newspaper, where he later temporarily assumed the role of editor-in-chief as well.

60 Days That Stopped the World: Square, Coup d'etat, Democracy, co-authored with Cemil Ertem and published in 2013, offers a comprehensive analysis of Gezi Park protests in a broad historical and geographical context.

[3] Esayan was a AKP member of parliament for Istanbul during the 25th, 26th and 27th Terms of TBMM (Grand National Assembly of Turkey).

[8] In various articles he wrote for Taraf and Sabah daily newspapers Esayan described the 1915 "Catastrophe" as Armenian genocide.

[9] In an interview published in daily Yeni Şafak on 6 July 2015, Markar Esayan said:[10] Every person has a sub-identity.

Patriarch Sahak II also touched upon the ongoing 2020 Nagorno-Karabakh war, and said: "In these hottest days of the Karabakh conflict, sharing our pain in an Armenian Church has meaningful messages.