about us

We are a locally owned and operated gym, in Austin, Texas that specializes in fitness classes, traditional martial arts, and mixed martial arts (mma) training.  Ultimate MMA Fitness is for you, whether you are interested in kickboxing classes for fitness, or martial arts classes for self-defense or competition.  We cater to individuals ranging from recreational martial artists to competitive fighters.  We offer co-ed martial arts and fitness classes.


Daniel Hernandez

NCSF-CPT, ACE-GFI, iyca-yfs, nesta-fnc

Daniel "The Machine" Hernandez is a martial artist, workout enthusiast, certified trainer, nutritional coach and a certified Shoot Wrestling Coach. He earned the nick name "The Machine" from former training partners due to his relentless drive and determination both inside and outside of the gym.
Daniel has over a decade of mixed martial arts (MMA) experience.  His primary martial arts are American Kenpo Karate, Muay Thai Kickboxing, Shoot Wrestling, and Brazilian Jiu Jitsu. Daniel’s vision is to use mixed martial arts and Kickboxing to help individuals get the results they desire through a fun, dynamic, and non-traditional workout.  He believes in promoting total body fitness which includes improving endurance, strength, speed, agility, balance, coordination, range of motion, and flexibility.  Daniel utilizes multi-joint, functional movements that maximize calorie expenditure and improve the body's performance in athletic as well as daily activities.  His training style is supportive and motivational and he relies on muscle confusion and interval training to promote health and fitness in an intense but relatively short training bout.


Tim Wittrig

assistant fitness/Martial arts instructor


Tim began training in mixed martial arts (MMA) in 2012. In a relatively short amount of time, he has amassed a wealth of knowledge through hard work and dedicated training. Tim joined Ultimate MMA Fitness gym as a member but quickly demonstrated natural leadership skills and the qualities of an effective teacher.  

Tim rapidly and eagerly transitioned from taking classes to helping teach classes. He has experience in Sambo, Judo, Brazilian Jiu Jitsu, Muay Thai, American Kickboxing, and Kenpo Karate. He has competed in numerous Brazilian Jiu Jitsu tournaments and has attained several medals along the way. Tim feeds his voracious appettitie for learning martial arts by constantly training and striving to improve his own skills. He enthusiastically shares his knowledge and passion for MMA by coaching and motivating others to achieve their highest potential in both fitness and martial arts.

Glenn haley

associate professor, 5th degree Kenpo Karate black belt akts

Mr. Glenn Haley has over 30 years of martial arts training. His primary art is Kenpo Karate but he also has experience in Boxing, Muay Thai, Judo, Shoot Wrestling, and Brazilian Jiu-Jitsu.  Mr. Haley has had an extensive point-fighting and sport karate career.  He fought as a member of the John Sepulveda USA Fight Team in Denmark (1999) and Ireland (2001), competed at countless tournaments and placed several times at the famous International Karate Championships in Long Beach, CA, and won 1st place in the Mens’ Heavyweight Kumite Division at the International Championships in Guadalajara, Spain. Mr. Haley was ranked 6th in the world as Light Heavyweight by International Kickboxing Federation (IKF) with an official, full-contact, kickboxing fight record of 5-3-1 (w/ 4 KOs) and appeared on Strikeforce Kickboxing on ESPN2.  In early 2012, he was a cast member and fighter on the MMA Reality TV series "Cage Quest".

Mr. Haley is a strong believer that martial artists must be well-rounded with training in multiple disciplines.  He believes in giving back to the arts so he trains and coaches recreational martial artists as well as several amateur fighters and occasionally instructs at seminars and camps across the nation.

Head fitness trainer

Assistant Martial Arts Instructor

senior martial arts instructor


fitness/Martial Arts Instructor

(512) 451-2348