Racing driver, aviator, businessman and inventor David Clark talks about his rich and varied career including the businesses he and his wife Natalie have set up on the back of their inventions - namely the successful Road Angel traffic product in the early 2000s, and now SleepHalo to protect us from harmful mobile phone waves while we sleep. He also talks about Senzati - his luxury people carrier conversion business. For more information see https://sleephalo.com/#panel_hiw and https://www.senzati.com/

Originally broadcast 4th May 2021 on Open4Business on NLive Radio