Her entry into the Kenyan media industry came through being a radio personality on 98.4 Capital FM from 2009 to 2013 where she hosted and produced the wildly popular youth show, Hits Not Homework.

[5] Joey has a brother (David Muthengi) who is in the limelight, an investment analyst, a musician and was a host at Rauka TV Show on Citizen, who is popularly known as Holy Dave.

[7] In 2013 she hosted Season 6 of the largest reality music show in East Africa 'Tusker Project Fame', on Citizen TV having previously been involved with the franchise on 'Tusker All Stars' which aired in 2011.

About one year later on her social media page, she talked about the tough times she experienced after leaving Citizen Tv, but confirmed she is in a better state and contented.

[9] Joey is the co-founder and a Director of the Muthengi Foundation, a non-profit charity organization that aims to develop economic empowerment through education.