BillionaireNet
Witzoe
Gustav Magnar Witzoe
Rank #1046
NORWAYFood & BeverageFish farming

Gustav Magnar Witzoe

Net Worth
$3.804B
-0.9% (24h)
Gustav Magnar Witzoe (born February 8, 1993) is a Norwegian billionaire and investor primarily known as the principal owner of nearly half of SalMar ASA, one of the world's largest producers of farmed Atlantic salmon. He received his stake in the company from his father, Gustav Witzøe, in 2013 at age 20. Beyond his involvement in fish farming, Witzøe is also involved in real estate and invests in technology startups through his investment firm, Wiski Capital. His career began with hands-on experience in the family business, working on fish farms. In addition to his business ventures, Witzoe is also a model. He is involved in philanthropy through the W Initiative, a foundation dedicated to improving the quality of life for children and youth. As of December 16, 2025, his net worth is estimated at $3.8 billion.

The Full Dossier

Early Life

Gustav Magnar Witzøe was born on February 8, 1993, in Frøya Municipality, Norway. He grew up in a modest, rural setting on the small island community of Frøya. Witzøe attended local schools and completed his high school education around 2011. Growing up in a coastal setting provided early exposure to Norway's fishing culture, shaping his appreciation for the region's maritime heritage.

Rise to Success

In 2013, at the age of 20, Gustav Magnar Witzøe inherited a 47% stake in SalMar ASA from his father, Gustav Witzøe, the company's founder. This strategic move positioned him as a major shareholder in the family-controlled enterprise. Witzøe's father founded SalMar in 1991, and the company has since become a global leader in sustainable aquaculture. Beyond seafood, Witzøe is involved in real estate through his ownership of Kvarv AS and invests in technology startups.

Key Business Strategies

Witzøe manages his investments primarily through Kvarv AS, his personal investment company, which oversees a diverse portfolio spanning real estate, technology, and startups. He has established himself as an angel investor in early-stage technology companies, focusing on innovative Scandinavian startups. Witzøe has also taken a strategic investing role, with his father remaining actively involved in the operations of SalMar.

Philanthropy

Gustav Magnar Witzøe established the W Initiative in 2021, a foundation dedicated to enhancing the quality of life for children and youth in underserved communities. The organization supports projects that improve health, education, and opportunities for youth worldwide. The foundation's mission centers on empowering youth through education, health, and equitable opportunities, aligning with United Nations Sustainable Development Goals.

Career Timeline

2024

Joined the board of Kverva AS

He now participates in strategic board decisions.

2021

Founded the W Initiative

Established a humanitarian foundation to support projects enhancing the quality of life for children and young people.

2013

Became Main Shareholder of SalMar ASA

Received a 47% stake in SalMar ASA from his father.

2011

Joined SalMar

Began working in entry-level positions on the family's fish farms.

Philanthropic Impact

Child WelfareN/A

W Initiative

A foundation focused on enhancing the quality of life for children and young people.

Poverty Reduction$1.0M

GiveDirectly - Rwanda

Supported the non-profit GiveDirectly with a donation towards a program that helps lift people out of extreme poverty.

Wealth Trajectory