Masha Efrosinina is a TV presenter, Honorary UN Ambassador for Population Issues, Head of the "Your Support" Foundation, co-organizer of the Charity weekend festival, author and presenter of the YouTube-project "Examination of Honesty". 

During the seven years of work "Your Pillar" Charity Foundation together with Charity weekend collected about 130 million UAH for the equipment for the children's resuscitation rooms at the Institute named after Amosov, IPAG, for ventilators, for rehabilitation rooms in orphanages. 

As a UN Honorary Ambassador, she regularly visits Ukrainian cities within the framework of the "Cities Free of Violence" campaign.

Together with the Red Cross Society and the Cognitive Modeling Institute, she created the "I Think" platform for victims of violence.