She is known for the founding of eXXpedition, a not-for-profit organization which hosts research expeditions at sea with all-women crews to investigate ocean pollution.
[1] In 2008, Penn joined the speedboat Earthrace for an extended voyage from the United Kingdom to Australia,[2] where she planned to work as an architect.
The organization hosts research expeditions at sea with all-women crews,[4] with the intention of advancing the general understanding of microplastics in the ocean.
[8] That same year, she established the digital SHiFT platform in 2020 to provide people with ideas on ways to reduce ocean pollution.
[5] Penn was named Yachtmaster of the Year in at the London International Boat Show in 2010, an award presented by HRH The Princess Royal.