The biohacker says the pair bonded over neurotechnology before their professional partnership evolved into a personal one.

xAmerican anti-ageing advocate and tech entrepreneur Bryan Johnson has revealed he is in a long-term relationship with Kate Tolo, co-founder of his longevity startup, Blueprint. The announcement came through an emotional post shared on X on Tuesday.

Johnson said he first met Tolo while working at Kernel, his brain-interface company, and the two bonded over a shared interest in neurotechnology. He wrote that although their connection was immediate, they maintained professional distance during their early collaboration on Project Blueprint — his highly publicized anti-ageing regimen.

Praising Tolo, he described her as “prescient and thoughtful,” adding, “She sees forw

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