"Must Love Dogs"
How Loyal founder and CEO Celine Halioua sustains the energy to fight for human life extension, one canine at a time
This story originally appeared in the inaugural installment of the “Fantastic Builders and Where to Find Them” series. I’m re-printing it here on the occasion of an historic milestone: just last week, Loyal secured the FDA’s first-ever formal acceptance that a drug can be developed and approved to extend lifespan.
Builder spotlight: Celine Halioua

Principles on display: Your life as the yardstick; finding person-life fit
, the 30-year-old firebrand founder and CEO of Loyal, is one of the purest examples of practical idealism that I’ve ever had the pleasure to encounter. Her long-term ambition is to increase the human lifespan through anti-aging drugs. This is notoriously hard for a million different reasons, some of them regulatory (the FDA doesn’t like approving experimental drugs for non-disease targets), some economic and structural (e.g., it takes 20-30 years to see if a human anti-aging drug is working). But instead of giving up or getting cy…Keep reading with a 7-day free trial
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