/People

Justus Hammer

Founder

Founder at Mad Paws

Greater Sydney Area

Writes $20K – $200K checks · typically $50K

FoundedMad Paws

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About

Justus Hammer is Co-Founder and CEO of Mad Paws, a company he co-founded and listed on the ASX before its sale to Rover.com, a Blackstone company. Born in Munich, Germany, he played professional basketball while completing a master's in Economics, and later earned a master's in Information Technology from Macquarie University in Australia. He founded the group-buying company Spreets in 2011 and sold it to Yahoo7 for $40 million within a year, and has since worked as an investor and advisor to numerous startups, including Vice Golf, which was acquired in 2023.

Founder at Mad Paws

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Frequently asked questions

Who is Justus Hammer?
Justus Hammer is Co-Founder and CEO of Mad Paws, a company he co-founded and listed on the ASX before its sale to Rover.com, a Blackstone company. Born in Munich, Germany, he played professional basketball while completing a master's in Economics, and later earned a master's in Information Technology from Macquarie University in Australia. He founded the group-buying company Spreets in 2011 and sold it to Yahoo7 for $40 million within a year, and has since worked as an investor and advisor to numerous startups, including Vice Golf, which was acquired in 2023.
Where does Justus Hammer work?
Justus Hammer is Founder of Mad Paws.
What check size does Justus Hammer write?
Justus Hammer typically writes checks of $20K – $200K.
What companies did Justus Hammer found?
Justus Hammer founded Mad Paws.

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