Lee Fixel

Lee Jared Fixel is an American venture capitalist and investor. He is the founder of venture capital firm, Addition.

Early life and education Fixel was born in 1980 and was raised near Fort Lauderdale, Florida. He is the eldest of three children and has two younger sisters.

Fixel earned a Bachelor of Science in business administration, finance, and accounting at the Olin Business School at Washington University in St. Louis. He became a partner and head of the firm's private equity business, before his resignation in March 2019. In a letter received by Reuters in March 2019, Fixel said he planned to continue investing independently. He has also served on the board of Peloton. and Spotify, as well as late-stage investments, including Facebook

As of 2024, he has appeared on Forbes Midas List twelve times over the course of his career.

In 2020, Fixel launched the venture capital firm Addition and raised $1.3 billion to invest in early- and growth-stage startup companies.

Philanthropy The Norman Fixel Institute for Neurological Diseases in Gainesville, Florida. Fixel, along with his wife, Lauren Fixel, co-founded the Lauren and Lee Fixel Family Foundation. The institute is focused on advancing research, technology, and clinical care for Parkinson's and other neurodegenerative diseases such as Alzheimer's disease and Amyotrophic lateral sclerosis (ALS). In February 2025, the foundation supported the launch of the Food and Agriculture Research Mission (FARM) at Washington University in St. Louis, a research initiative aimed at improving food production and distribution.