PLEASE HELP ME TO FIND MY FATHER

Hello my name is Marina Birkhoff. I am 24 years old. I grew up in Ukraine, Kharkov. I was born December 15th 1990. I was 10 years old when i taken to a orphanage due to my moms drinking. My moms name was Stepanova Natalia Ivanovna. She was born March 10th 1961. I don't have any other family that i know of. I was in that orphanage till i was 15 years old then something good happened in my life i got adopted . My family is truly amazing. I will forever be grateful for what they have done for me.My mom passed away the year i was adopted. she was very sick. After her passing i don't know what to do and who else to ask for help. My mom died in July 15th 2006 and i got adopted October 24th the same year. I never met my dad i have so many questions that nobody else can answer but him. i don't have any pictures of him. i dont know his name or how old he is ......I would love ti find him and talk to him. i don't want anything from him. I just want to know why he did what he did and thats it. PLEASE HELP ME IF YOU CAN. My name before adoption was Stepanova Marina Grigorevna . I watch your show everyday online and you truly do miracles. I live in Atlanta Georgia. I have a son and a family of my own now i just need closure with my past . You guys can call me on Skype . marina.birkhoff thats the name on Skype.. I do speak Russian. Please help me if you can. thank you again.