Best Longevity Experts in 2025
Best Longevity experts in 2025: Individuals
2024 marked a turning point in the field of longevity. Once the domain of niche researchers and speculative conversations, longevity science has now captured mainstream attention, driven by figures like Bryan Johnson, whose unorthodox methods combined with great media control has sparked widespread interest.
For the first time in history, we stand at the threshold of real, actionable interventions that can mitigate the effects of aging and enhance our health spans, making the dream of a longer, healthier life more tangible than ever.
As this transformative field grows, staying informed is essential. Understanding the possibilities and separating genuine advancements from overhyped claims requires guidance from trustworthy voices. To help you navigate this landscape, we have curated a list of the most reputable longevity experts who not only lead in their scientific endeavors but also excel at communicating their insights to the public.
These experts will keep you informed, grounded, and inspired as we collectively explore the potential of a longer, healthier future.
Dr. Matt Kaeberlein
https://www.youtube.com/@optispan
Matt Kaeberlein is a distinguished researcher in the field of longevity, an expert who has been in the forefront of this field for many years and you can find his name on an impressive number of scientific papers on aging biology.
He holds a bachelor degree in both mathematics and biochemistry and received his phd in biology from MIT.
He has a channel on YouTube (@optispan) where he touches on a variety of longevity related subjects, from study reviews to popular science themes like cold plunges and also very active on X (@mkaeberlein).
He has no problem criticizing academia and fellow scientists where he sees misconduct or any other reason that merits criticism and unlike most longevity influencers today he isn’t trying to sell you anything. He’s not promoting any products or services through his channel, not even his own company.
So a purely informative channel where you are getting credible, realistic information from someone who actually knows what they are talking about and has the track record to prove it.
He is a voice of reason in a field filled with charlatans and snake-oil salesmen selling hype and bogus sudo-science.
Dr. Peter Attia
https://www.youtube.com/@PeterAttiaMD
Peter Attia is an MD and a researcher. He holds a bachelor degree in mechanical engineering and applied mathematics and earned his medical degree from Stanford University school of medicine.
He is a renowned physician and a researcher who specializes in longevity and optimal health. He's practicing what he calls medicine 3.0, a proactive rather than reactive medicine.
On his podcast, called The Drive he goes to incredible depth on different aspects of health and longevity as well athletic performance and his guest list is nothing short of incredible.
Every episode feels like it could be made into an ivy league university introductory course on the subject it deals with. The amount of knowledge you are getting is impressive.
Peter also publishes the show notes for each episode of the podcast on his website. And if you want to get even more in depth on longevity he has a membership section where you get access to Exclusive AMA episodes, even more in depth Show Notes, The Qualys podcast and Quarterly Podcast Summary episodes.
Peter is also the author of one of the best books written about longevity (#show a picture of the cover of outlived, his book).
Ok will just go ahead and say it, the best currently available book on the subject.
Dr. Nicolas Verhoeven
https://www.youtube.com/@Physionic
If you want to understand scientific literature, stay updated on the latest research in health and longevity and enjoy a fun and entertaining learning experience Dr. Nicolas YouTube channel is the channel for you.
Every episode is basically an analysis of the current scientific literature on the specific subject it deals with. Subjects like:
“do eggs cause heart disease?”
“Does Vitamin D supplementation improve bone health?”
“Why do we develop plaque in our arteries, but not our veins?”
etc.
The videos are extremely well edited, with lots of visuals to assist you in understanding. and Nicholas is also somewhat of a joker which makes for a very entertaining learning experience.
Nicolas has recently received his PhD in molecular medicine and is an active researcher. He does an amazing job communicating hardcore scientific research.
And… he is currently the tallest YouTube science influencer standing at 6'6, that 198cm in non-freedom units. Now why does this even matter, you ask?
Well, it doesn’t, but let’s see you forget that useless fact now that that it’s stuck in your head.
Physionic also have a members section called physionic insiders where you get exclusive access to:
insiders podcast, full study analysis, research reviews, seminars, live sessions to learn how to systematically analyze studies yourself, and more.
Highly recommended to anyone who wishes to become more proficient in the language of science.
Dr. Brad Stanfield
https://www.youtube.com/@DrBradStanfield
https://x.com/@BradStanfieldMD
Dr. Brad Stanfield is a primary care physician from Auckland, New Zealand. He has also recently successfully raised the funds necessary to start his own rapamycin clinical study. A study which he designed under the supervision of Dr Matt Kaeberlein.
Like the other longevity experts / science communicators in this list he offers a balanced, unbiased approach based on scientific literature rather than hype and hopium.
He covers health and longevity related topics using the latest research and clinical guidelines and does so in a clear and simple to follow manner.
Simon Hill
https://www.youtube.com/@TheProofWithSimonHill
Simon Hill is a physiotherapist and nutritionist and sports an aussie accent and an extremely pleasant radio voice. Similar to Peter Attia, Simon’s podcast also has an impressive list of top notch scientists as guests.
Simon is a gifted interviewer who makes a 3 hour episode on Metabolic health feel like a short walk in the park. The amount of preparation that goes into every episode is impressive. The editing is highly professional and every now and then Simon puts together a “masterclass” episode
which just like the name implies is a comprehensive episode serving to guide you on a specific subject
Usually these are subjects which have received high interest from his audience. These masterclasses are stitched together from all the previous episodes done on the subject with various experts.
You really have to watch them to appreciate it.