[11][12] In June 2016, Arieli and Calman threatened to cancel the annual Tel Aviv Pride Parade over inequity in fiscal support for LGBT causes from the Israeli Government.
[13] As a result, the Israeli Government increased the budget for LGBTQ community organizations to a record 10 million NIS.
[14][15] In July 2017, Arieli led a protest against discrimination of same-sex couples in the adoption process opposite the Tel Aviv Government Complex with thousands of participants.
[25] Arieli is the first openly gay Deputy Mayor of Tel Aviv-Yafo, responsible for the social services portfolio.
[26][27] During the 19th Knesset (2013-2015), Arieli served as a Spokesperson and Political Advisor to Merav Michaeli of the Labor Party, in the liberal democratic wing.