the team to bring out your best

Meet the dedicated team of martial arts instructors at Twins Martial Arts! With years of experience and a passion for teaching, they are here to guide you on your martial arts journey.

Kenneth Douglas

A civil engineer with over 20 years of martial arts experience under his 3rd Dan Black Belt, Sensei Ken has much to offer his students. His Brown Belt in Brazilian Jiu Jitsu under Professor Ninos Dammo and Paul Egan exemplifies his unwavering commitment to perpetual learning. Sensei Ken also travels to study martial arts and has travelled to Thailand, Japan and Brazil on many occasions to train Muay Thai, Karate and BJJ, respectively. In addition to his martial art talents, he is a Swing Dancing Teacher. Next time you see him ask him to show off his "Charleston".

Lance Douglas

Lance has a passion for all things martial arts, skill acquisition and teaching. He has black belts in Karate (3rd Dan), Taekwondo and Krav Maga, as well as a BJJ brown belt. With his kids physiotherapy background and post graduate diploma of Early Childhood Teaching, he designs the lesson plans at Twins Martial Arts. When he's not training martial arts he enjoys a good coffee, Brazilian music and practising Auslan (Sign Language).

Dominic Teng

Dom brings a hurricane of skill to the Twins Martial Arts team. He has accumulated almost 2 decades of experience under his 2nd Dan Black Belt in Karate. He is our resident "Extreme Martial Artist" with a focus on "Spinjitzu", marrying martial arts with breakdancing! Aside from his physical skill, Dom is also fluent in Japanese and loves bouldering.

Jake Mobbs

There's only one Jake Mobbs at Twins Martial Arts! He's always making his students laugh whether it's with his dyed hair, pink uniform or eclectic music choice. He runs the ninja parties and is known for his unlimited energy with kids. He is currently studying to become a High School Teacher and is a Black Belt in Karate. In his spare time he enjoys coding video games, hiking and getting at least 8 hours of sleep.

Aidan Loughlin

Aidan, aka "the Sunday King", runs the Sunday classes at the Newport Dojo. He loves martial arts and practically spends everyday at the dojo either coaching or training. He's a 1st Dan Black Belt in Karate and recently became addicted to Brazilian Jiu Jitsu 🙂 When he's not at the dojo he is studying Occupational Therapy at Deakin and volunteering with Flying Fox helping diverse needs children. His favourite part of his job is assisting students in their martial arts journey and seeing their confidence improve both on and off the mats.

Aaron Marshall

Aaron is a vibrant person who loves teaching kids and has a long history in the martial arts. He currently holds the rank of 1st Dan Black Belt in Karate and a Blue Belt in Brazilian Jiu Jitsu. To supplement his training he also does Muay Thai and Mixed Martial Arts. Aaron is famous at the dojo for his spinning kicks, weaponry skills and card tricks.

Liam Berryman

Liam is not only a Black Belt in Karate, but also an avid mountain biker and volcano enthusiast. He enjoys coaching kids and is well known amongst the team to have a calm and zen approach to teaching.

Mackenzie Prentice-Evans

Mackenzie is a 1st Dan Black Belt in Karate and Orange Belt in Brazilian Jiu Jitsu. When she's not on the mats she is playing national level baseball and College Captain at school! She enjoys getting to meet many different people through multiple martial arts and furthering her skills. She loves getting the opportunity to see kids grow and become more confident as they progress. Currently she's in Year 12 and will look to study engineering at university in the future.

Jonah Miyao

Jonah embraces the martial arts lifestyle and blends his Japanese heritage into his teaching style. He's a Black Belt in Karate and prides himself on being a great role model for his students. If you get the chance ask him for one of his crowd favourite "Old Sensei" impersonations 🙂

Matthew Frigo

Matt has been training karate for 10 years achieving his senior 1st Dan in 2019. He also practises Japanese Jiu Jitsu and loves a good wrist lock 🙂 He recently completed a Bachelor of Science at the University of Melbourne and will look to move onto Optometry.

Jack Prentice-Evans

Everyone loves Jack "The Slap" at Twins Martial Arts. He is a well rounded martial artist with a 1st Dan Black Belt in Karate and Orange Belt in BJJ. Off the mats he is a keen Baseball player and active within the leadership team at school. You'll see him on the mats with a big smile and black socks.


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Waiver and Release

I, the undersigned Student, freely and willingly agree to participate in martial art training with Fight Physio Pty Ltd trading as Twins Martial Arts (TMA). I hereby assume full responsibility and liability for all damages, injuries and losses that I may sustain or incur while participating in training at TMA. 

I realise that serious injury is commonplace in martial arts such as the martial arts that I am participating in and that death is a possibility, as remote as it may be. I also realise that if I am injured, I might be disfigured, disabled and/or rendered unable to work again. By participating in martial arts training, I fully accept and assume liability for any and all injuries that I may incur and I expressly waive and agree to hold TMA harmless in relation to any and all claims that I, other students, spectators, or any other person might have for any injury regardless of its nature, or effect as a result of my participation at TMA classes or events held or participated in by TMA. 

I further agree to follow all TMA rules and lawful instructions given by TMA instructors or personnel while participating in classes or TMA events. I acknowledge that failure to follow TMA rules and instructions could lead to serious injury to me, other students, instructors, or other persons.  

I authorise, and agree to hold harmless, any medical personnel that may be present at or called to TMA to take any necessary action, should I become injured whilst at training or any other event. 

I warrant that all personal information I have provided to TMA is true and correct and agree to immediately advise TMA if my details change. I agree to indemnify TMA in relation to any damages or loss it suffers or may suffer as a consequence of my personal information being incorrect in any way.  

I represent that I am in good health, that I am not presently and will not participate in any classes or TMA event while under the influence of any drug, medication, or alcohol. I have read and understood every provision of this release and I am legally competent to freely provide this waiver, release and assumption of risk. 

The indemnities and waivers provided in this document shall survive the duration of the event and shall bind me, my heirs, legal personal representatives, successors, and permitted assignees. 

In the event that the Student is under the age of majority, this waiver and agreement shall be signed by a legal guardian of the Student and shall bind the Student and the Student’s legal guardian. 

Warning under the Australian Consumer Law and Fair Trading Act 2012 (Victoria) Under the Australian Consumer Law (Victoria), several statutory guarantees apply to the supply of certain goods and services. These guarantees mean that the supplier named on this document (being TMA) is required to ensure that the recreational services it supplies to you: 

1. are rendered with due care and skill; and 

2. are reasonably fit for any purpose which you, either expressly or by implication, make known to the supplier; and

3. might reasonably be expected to achieve any result you have made known to the supplier. 

Under section 22 of the Australian Consumer Law and Fair Trading Act, TMA is entitled to ask you to agree that these statutory guarantees do not apply to you. If you sign this document, you will be agreeing that your rights to sue TMA under the Australian Consumer Law and Fair Trading Act 2012 if you are killed or injured because the services provided were not in accordance with these guarantees, are excluded or restricted to the greatest extent permitted by law. 

NOTE: The change to your rights, as set out in this document, does not apply if your death or injury is due to gross negligence on TMA’s part. Gross negligence, in relation to an act or omission, means doing the act or omitting to do an act with reckless disregard, with or without consciousness, for the consequences of the act or omission. See regulation 5 of the Australian Consumer Law and Fair Trading Regulations 2012 and section 22(3)(b) of the Australian Consumer Law and Fair Trading Act 2012. 


I expressly agree that in exchange for being permitted to participate in TMA’s activities: 

1. I release from liability, agree never to sue, and hold harmless, to the maximum extent permitted by law TMA, as well as its employees and associates, for any bodily injury or death and for any damage, loss or theft of any personal property which I may incur while on TMA’s premises or which arises from my participation in any TMA activities, regardless of cause, including the alleged negligence, gross negligence, or strict liability of TMA. This includes a release of my rights to sue in relation to the provision of recreational services (as that term is defined in the Competition and Consumer Act 2010 (Cth) and the Australian Consumer Law and Fair Trading Act 2012 (Vic)) where the services or recreational activities are not provided in accordance with certain statutory guarantees; and 

2. If I or any legal representative on my behalf files a claim or lawsuit arising out of my participation in any TMA activity, I agree to defend, indemnify and hold harmless TMA for any damages, legal fees or costs arising out of such claim or lawsuit.