Due to several reasons I accepted this challenge .
Due to several reasons I agreed with my colleague , partner and friend Alex Abramov to give up my co-leadership of our joint expedition ( we each have 15 clients in this expedition ) .
Due to several reasons I accepted this challenge and agreed with my colleague , partner and friend Alex Abramov to give up my co-leadership of our joint expedition ( we each have 15 clients in this expedition ) .