[5] Originally from the mining town of Welkom, Thabong in South Africa, Colossa was active in sports growing up.

In January 2010, Colossa took part in his first reality TV show in Enfusion: Test of the Champions in Koh Samui, Thailand.

Later that year he won the Wu Lin Feng Golden Dragon Belt at King of the Ring Eight-man Tournament in Zhengzhou, China.

At the end of that year he competed once again in I-1 Grand Slam four-man tournament in Hong Kong, this time emerging victorious with the belt.

On 3 April 2012, Colossa fought against the notable Muay Thai fighter Saiyok Pumpanmuang in the semi-finals of the WMC tournament.

He began his career with a record of 4-1 with his only defeat being a controversial decision loss to URCC Welterweight Champion Eduard Folayang.

[10] Outside the ring, Colossa founded and held several IMPI World Series since 2014 with live coverage from NowTV Sports, gaining the reputation as Hong Kong's Original Caged MMA event.

Colossa was scheduled to face Caros Fodor in a rematch at ONE FC 20: Rise of the Kingdom taking place on 12 September 2014.