Jack Kohlenberg

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Help me take a stand against blood cancer

Right now, over 150,000 Australians are facing the devastating impact of blood cancer, and 17 lose their life every single day. 

That’s why I’m taking on the Leukaemia Foundation’s World’s Greatest Shave. By donating to my page, you’ll help me raise funds and awareness for blood cancer, and fuel life-changing research projects and support services for patients and their families.  

Any amount – big or small – will make a real, tangible difference.

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How short should I shave my hair?

Your Impact

Help me earn the Personalised Treatment badge. That's enough to fund state-of-the-art tests to personalise treatment for a child to give them the best chance of survival

I’m $395 away from my next impact milestone. Please help me reach it.

Donate now

My Achievements

Help me earn the Discover badge. That’s enough to fund 3 months of laboratory costs for a research project to discover better treatments for blood cancer.

I’m $4040 away from my next impact milestone. Please help me reach it.

Donate now

Signed Up!

$1

$250

$560

$4,800

$10,000

Thank you to my Sponsors

Arlene Kohlenberg

2025-09-16 11:26:38

$80

Foster-gaunt

2025-09-16 17:07:43

Great work Jack! Will & Patrick

$80

Grandma Kohlenberg

2025-09-17 07:45:37

Great job Jack!

$68.87

Nick Sumsky

2025-09-19 12:13:28

$60

Toby Long

2025-09-19 07:49:34

Hey Mate, well done on doing this. Very proud of you :)

$57.30

Carly Potts

2025-09-16 13:30:28

I’m so proud of you Jack! A great cause very close to my heart. Thank you for doing this x

$53

Michael Foster

2025-09-16 18:51:35

$50

Dan Linders

2025-09-17 08:01:29

I will donate $1,000 if John shaves his head as well. This is not a joke.

$43.60

Lorraine Mc

2025-09-16 18:25:50

$40

Harry Kohlenberg

2025-09-16 12:09:34

$20

Dominic Davis

2025-08-22 13:26:57

$15.67

Will Russell

2025-08-18 17:31:56

Thanks for saving my dogs life the other day.

$10

Charli Doidge

2025-08-22 19:09:42

$9.29

Keegan Hiskett-jones

2025-08-22 14:19:44

leather helmet is going

$6.70

Clancy James

2025-08-16 12:18:42

$6.01

Nat E

2025-08-16 12:13:34

Go Jack 🙌🙌

$5

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Help us reach our team checkpoints

OFG has set some extra goals in our fundraising journey. Help us raise the amounts below to see us make our checkpoints happen!

$10,262

Raised so far

We've raised $1,500. It's happening!

Mr Garcia will shave his head

We've raised $4,000. It's happening!

Mr Morris will shave!

Leukaemia Foundation logo

Your support is changing lives with the Leukaemia Foundation   

50 years of supporting Australians with blood cancer 

The World's Greatest Shave is the flagship fundraising initiative of the Leukaemia Foundation.  This iconic campaign helps us provide wraparound health services for patients and their families – and powers groundbreaking research and campaigns for change. 

Fuelled by our community of patients, carers, healthcare professionals, researchers, specialists, and supporters just like you, we're committed to achieving our goal of zero lives lost to blood cancer by 2035.