How long has Ruthless Fight Company existed?
We have been registered with the Chamber of Commerce since 2016. Before that it was the hobby of Amir and Stefan for years: a few men on a mat, which grew into what it is now.
About us
About Ruthless Fight Company
Ruthless Fight Company has been the MMA gym of Rotterdam since 2016. At Ruthless we train seven disciplines under one roof: MMA, striking (kickboxing), Brazilian Jiu Jitsu, grappling, wrestling, heavy bag training and strength and conditioning.
Our coaches
Our coaches do not know the sport from theory alone: they have fought themselves, won world titles in Brazilian Jiu Jitsu, lived through championships in the cage and stood in the corner as a cutman.
You notice that experience in every training session: technically strong, sharply guided and tuned to your level. Whether you come for a free trial class or train for your next fight.
Ten permanent coaches, all with a competition background of their own.
Coach Amir
Coach Amir is an all round Mixed Martial Arts expert. His sharp analytical eye for talent sets the high standards he maintains. As head of our professional fight team, Coach Amir enjoys every detail of the hard MMA world we move in. His dedication and passion for his Ruthless team are crucial factors in the success of Ruthless Fight Company.
Coach Leandro
Coach Leandro, five time Brazilian Jiu Jitsu world champion in ONE Championship, is not only a BJJ black belt but has also developed into a complete martial artist. Under the guidance of the renowned coach Wendell Alexander he earned his black belt and refined a wide range of MMA and striking skills. In 2008 he made his professional cage debut and built an impressive international record. Leandro is a fantastic addition to the Ruthless team.
Alongside his active professional fighting career, Coach Leandro focuses at Ruthless on BJJ and grappling classes for youth and adults. He is also a real source of inspiration for our amateur and professional MMA fighters. His presence during training sessions lifts the level for every athlete with big ambitions. View the Brazilian Jiu Jitsu classes
Coach Stefan
Stefan Lems is a well known and internationally respected expert in the MMA scene. Trained at Kops Gym, Stefan passes on his extensive knowledge and professional experience in both MMA and wrestling. Many people also know Stefan as Cutman Stefan, because he is actively involved with numerous major international MMA organisations, where he looks after fighters inside and outside the cage.
Coach Stefan, truly Ruthless in the flesh, is one of the founders of Ruthless Fight Company and makes sure all the focus stays on the successes of Team Ruthless. View the wrestling classes
Coach Harrold
Coach Harrold has been part of the Ruthless team since it was founded. He started as a beginner with a background in judo and karate. His journey through MMA and later BJJ helped him discover his true passion for Brazilian Jiu Jitsu. Through his dedication to the sport he earned his brown belt under Coach Ale Garcia.
Harrold is an experienced BJJ competitor and plays an important role in supporting both the BJJ and the MMA classes, particularly for our Ruthless kids. View the Brazilian Jiu Jitsu classes
Coach Billy
The striking coach everyone talks about. As a professional MMA fighter with years of experience inside and outside the cage, Coach Billy is our exceptional Head Striking Coach for fighters of every level.
Coach Billy knows exactly what it takes to win. With his sharp eye for detail and unwavering dedication he makes sure fighters are fully prepared and on their way to success. View the striking classes
Coach Djamil
Djamil Chan was the first talent and success story of Ruthless Fight Company. As three time lightweight GMC champion and two time Respect FC champion, Chan set the standard for Ruthless. With a wealth of international experience gained in some of the biggest MMA organisations such as TUF, Bellator, Brave Combat Federation and many others, Chan is by now a veteran of the sport.
He shares his passion and professional experience to guide the future talents of Ruthless and help them reach their full potential. View the MMA classes
Coach Angelo
Angelo started Brazilian Jiu Jitsu at BJJ Delft in June 2015 and soon made it his work: since then he has been training, fighting and teaching full time. In October 2024 he earned his black belt.
He competes in tournaments in the Netherlands and abroad, with medals at the IBJJF, AJP, AGF, Grappling Industries and the Dutch championships among others. Since 2026 he has been on the mat at Ruthless, for BJJ and grappling. View the Brazilian Jiu Jitsu classes
Coach Moein
Moein has been wrestling for over thirty years, thirteen of them at competition level in Germany. He has seen the sport from every side: as a competitive wrestler, as a trainer and as a coach.
He uses those years to take wrestlers further physically and mentally. At Ruthless he teaches wrestling, strength and conditioning and heavy bag training. View the wrestling classes
Coach Ehsan
Ehsan started gymnastics at six and learned karate from his father. At fifteen wrestling was added. In Iran he won more than ten national titles in Kyokushin karate, and he became European and Asian champion up to 80 kilos at senior level. At the world championships in that same class he finished second. In professional kickboxing he stands at three wins and one loss, and he fought bouts in amateur and professional MMA, including at LFL and GMC.
He graduated in physical education and sports science. At Ruthless he teaches strength and conditioning and heavy bag training, and these days he fights MMA bouts himself under the gym’s name. View the strength and conditioning classes
Coach Afshin
Afshin started wrestling young and moved to MMA at eighteen. He has been doing that at a high level for over ten years now, with experience on the professional circuit. That wrestling background led him to specialise in the point where the two meet: takedowns, control, ground work, and how you actually use wrestling in an MMA fight.
As a coach he works with beginners and advanced students on technique, conditioning, strength and confidence. At Ruthless he teaches wrestling and MMA, and he fights bouts himself under the gym’s name. View the MMA classes
Discover our gym
At Ruthless Fight Company you train at your own level, with room to grow. Whether you are stepping onto the mat for the first time or working towards competition and the professional circuit: you get the guidance and attention that suit your experience and ambition. One membership gives you access to every discipline. That way you can combine standing work, wrestling and ground work, or switch depending on what you want to work on and what you feel like that day.
You will find our gym at Vijverhofstraat 47 in Rotterdam North. There are separate changing rooms for men and women, both with showers. Bring flip flops as well: on the mat we train barefoot and before every class everyone has to walk through the foot bath. There are no lockers, so take your things into the gym with you and leave valuables at home.
Coming by car? You can park on the street. Bear in mind that paid parking runs until 23:00, even if you come to train in the evening. You will find the street rate in your parking app.
Our programs
All classes are included in one membership. You do not have to choose in advance and you can always switch.
MMA · Striking · Brazilian Jiu Jitsu · Grappling · Wrestling · Heavy bag training · Strength and conditioning · Ruthless Kids · Ruthless Youth ·
Frequently asked questions about Ruthless
The questions we get most often from people who are thinking of coming.
Do I have to want to fight competitions to train here?
No. A large part of our members train recreationally.
Who teaches the classes?
Ten permanent coaches, all with a competition background of their own. You will find them above.
Can I do every sport on one membership?
Yes. One membership gives access to every discipline: striking, MMA, wrestling, grappling, BJJ, heavy bag training and strength and conditioning. You do not have to choose in advance and you do not pay per sport. Many members combine two or three; anyone who wants to do MMA needs that anyway.
Can I come and watch once without joining in?
You can. Walk in during a class that looks interesting to you. The mat is visible from the entrance and there are chairs along the side. You do not have to sign up to come and watch.
What does a membership cost?
One membership gives access to every discipline, so you do not pay per sport. The current amounts are on the prices page.
Is there a changing room and a shower?
Yes. There is a separate changing room with showers for men and one for women, and two separate toilets. We do not have lockers, so take your things into the gym with you or leave valuables at home.
Where can I park?
You can park in the streets around the gym. In Rotterdam paid parking runs until 23:00, so in the evening as well. The rate differs per zone; your parking app gives the right amount for this street.
Can I train here as a woman?
Yes. Ten to fifteen women train here regularly, usually five to ten per class; at strength and conditioning about half the group is female.
From what age can children join?
From 6 years old. Children from 6 up to and including 11 train at Ruthless Kids, at around twelve you move on to Ruthless Youth, and around seventeen you join the adult classes. Those boundaries are not rigid: we look just as much at level and build.
Is the trial class really free?
Your first class is free and you are not tied to anything afterwards.
I have signed up for a trial class. What happens next?
You get a confirmation email straight away with everything you need to know: where to go, what time, and what to bring.
Want to try a class?
Come and join one of our training sessions, no strings attached, and see for yourself