True he hasn't built submarines. But he's an investor in Triton Submersibles. https://www.curbed.com/2022/12/ray-dalio-james-cameron-triton-submarines.html htt

True he hasn't built submarines. But he's an investor in Triton Submersibles. https://www.curbed.com/2022/12/ray-dalio-james-cameron-triton-submarines.html https://www.curbed.com/2022/12/ray-dalio-james-cameron-trito... Also: > And in 2012, Cameron was the first person to conduct a solo expedition to the deepest known part of the ocean floor, the Pacific's 10,994-meter-deep Mariana Trench. https://www.vice.com/en/article/z434n5/meet-ron-allum-engineer-who-built-james-camerons-mariana-trench-submarine https://www.vice.com/en/article/z434n5/meet-ron-allum-engine...