Reshma Saujani is the founder of Girls Who Code, an US based organization which aims to close the gender gap in tech and to educate girls to computer science and, as the TedTalk below mentions, to bravery.
Some initiatives similar to Girls Who Code are present in Finland as well:
Rails Girls – coding camps for girls and women
Girls In Tech Helsinki – mentorship programmes and coding camps
Helsinki PyLadies – a support group to teach and learn Python
Women in Tech Finland – networking and events for women working in tech in Finland
Don’t forget University of Helsinki CS department has a network and a mentorship programme for girl students.