Professor began his competitive fight career in 1987 at the age of 19 as a member of the first ever Chute Boxe Fight Team under Grand Master and Chute Boxe founder, Rudamir Fedrigo. That first fight Chute Boxe fight team dominated the Muay Thai fight scene and paved the way for some of the greatest fighters in the history of Pride and the UFC. Out of that original fight team, Professor was known as the knockout artist due to his tremendous punching power and speed. As a result of his success, Brazilian newspapers have since often referred to Professor as the “Wanderlei Silva of the 1980s”.
When the Chute Boxe organization moved into Vale Tudo (Portuguese for “anything goes”) fighting, Professor began training heavily in Brazilian Jiu Jitsu. During his BJJ training, Professor studied under the legendary Rafael Cordero, as well as Cristiano Marcelo, George Patino “Macaco”, Nino Schembri, and many more. The influence of these legendary coaches can be seen in the hightly technical and explosive nature of Professor’s BJJ style.
During his professional fighting and coaching career Professor has trained with the “Who’s Who” of the Vale Tudo and mixed martial arts world including Wanderlei Silva, Anderson Silva, Shogun Rua, Ninja Rua, Cyborg and Cris Cyborg, Sakuraba, and many more.
Calen is the first American Black Belt in the Chute Boxe Brazilian Jiu Jitsu lineage. He received his promotion in 2019 under Third Degree Black Belt Professor Claudio Mattos.
Calen took his first Mixed martial arts fight in 2012. After competing on a national level in Judo, he was promoted to Black Belt in 2013. In the same year, he also earned his Black Belt in Shaolin Gong Fu.
Over the past three years Calen has remained very active with 7 Professional MMA wins. Six first round finishes, 3 submission and 3 TKOs, with two out of his last three fights being aired on national television.
Calen believes that martial arts is a vessel you can use to enhance and change the entire course of your life, be it physically or mentally.