Career
From 2001 to 2005, he was President of the International Lesbian and Gay Culture Association in Poland. Since 2010 he serve as Elder in Full Connection and Dean of Missionary Conference for Europe in Christian United Church. At 25 August 2012 Niemiec was consecrated for a Bishop of the Church by Archbishop Terry Flynn.
In May 2007 he published his first book: Rainbow Humming Bird on the Butt.