This surfing property specialist had a scary encounter Scott OâNeill, founder of Rethink Investing, says he likes âa random little surf on a nice day, somewhere not too crowdedâ, but it has got hairy in the past. He answers our Time Out Q&A. Scott OâNeill, founder and director of Rethink Investing, with his surfboard on a beach in Costa Rica. Â Life & Leisure Save Share S cott OâNeill is founder and director of Rethink Investing, a buyersâ agency for commercial property investors. He lives in Sydney. How long have you been surfing and how did you get into it?