[4] In 2014, Kay launched her media and retail company Moosh Walks, to encourage an entrepreneurial spirit in her female fan base.

[6] After settling in Los Angeles, around 2004 she acted and juggled in television shows such as CSI: NY and The Benvenuti Family.

[9] Her fourth channel Mooshville is focused on fashion and beauty,[10] with the brand name Moosh stemming from a nickname for her cat.

[8] On October 31, 2015, Olga started her successful series Will It Juggle?, which she announced at the first annual Stream Con NYC.

In 2011 she had appearances in Shane Dawson TV, JoeNationTV, The Annoying Orange,[5] and in 2012 acted in YouTube's original channel initiative show MyMusic[11] as a raver character.

[13] Brands she has worked with include Microsoft,[14] Ford, Google, Relativity Media, Axe, Capcom, Nintendo, Virgin Mobile, Xbox, and others.

[8] Kay launched Moosh Walks, a media and retail brand that aims to empower young girls through storytelling, primarily about leadership.