What stage does BOLD Longevity invest at?

BOLD Longevity invests at the Growth, Late Stage stages.

What sectors does BOLD Longevity focus on?

BOLD Longevity focuses on AI & Machine Learning, Biotech, Healthtech, Longevity.

Where is BOLD Longevity located?

BOLD Longevity is headquartered in Boston, US.

Does BOLD Longevity lead rounds?

BOLD Longevity typically participates in rounds rather than leading them.

BOLD Longevity

Growth equityActively deploying

Boston · Growth–Late Stage · 9 people tracked

Also known as BLG ADVISOR LLC

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Investment thesis

BOLD Longevity Growth focuses on growth- and scaling-stage biotechnology companies that target the root causes of aging and age-related diseases. It backs platform technologies delivering large efficiency and safety improvements (5-10x) that reshape medical practice and make treatments more affordable and accessible. The fund co-invests alongside major biotech VC funds and large pharmaceutical companies, contributing capital, experienced partners, and a network of scientific and venture advisors. Its aim is to support companies changing how medicine is practiced and how diseases are diagnosed and treated, enabling healthy human life extension across areas such as gene editing, AI-driven drug discovery, and AI-powered diagnostics.

Invests inAI & Machine Learning Biotech Healthtech LongevityBostonGlobalUnited States

Source: firm website, verified Aug 3, 2026.

Stage

Growth–Late Stage

Boston, Massachusetts, US

Leads rounds

Follows

Instruments

Equity

Founded

2023

Private fund assets

$71.3M

VC funds

Tracked investments

Team · 9 people

from the firm's website

Peter Diamandis· Co-Founder & Partner

A co-founder and partner at BOLD with over 30 years of experience who has started more than 20 companies. He founded the XPRIZE Foundation and Singularity University, and holds MIT degrees plus an MD from Harvard Medical School.

Sergey Young· Co-Founder

Sergey Young is a longevity investor with over 20 years of investment experience, backing startups at the intersection of AI, longevity, and biotechnology. He co-founded the BOLD Longevity Growth (BLG) fund, focused on making longevity innovations more accessible and affordable. He co-created and sponsored XPRIZE Healthspan, a $101M competition on reversing human aging, and authored the bestselling book "The Science and Technology of Growing Young." He holds a diploma in Business Administration from Warwick Business School and degrees in Chemical Engineering and Economics.

s•••@blg.vcreveal

Teymour Boutros-Ghali· Co-Founder & Managing Partner

A co-founder and managing partner at BOLD with over 30 years of investing and entrepreneurial experience. Previously a GP at Monitor Ventures and VP at Time Inc. Ventures, he led three companies through acquisitions. He holds a Cambridge EE degree and an MIT PhD.

Avik Arakelian· Partner & Head of Investments

Brings 10+ years of PE and VC investment experience in biotech and health tech, having led or advised investments in more than 25 biotech and longevity companies spanning gene editing, AI drug discovery, and diagnostics. Previously worked at PwC and KPMG.

a•••@blg.vcreveal

Kris Verburgh· Partner & Head of Science

A medical doctor, author and researcher specialized in aging and longevity who authored the bestselling 'The Longevity Code' and created the field of nutrigerontology. He is a researcher at the ECCO Institute at the Free University Brussels.

k•••@blg.vcreveal

Will Borthwick· Principal, BOLD Capital

A principal at BOLD Capital with 10+ years of experience in investment banking, private equity and venture capital, having worked at Marlin Equity Partners and Morgan Stanley. His expertise spans AI/ML, clinical trial optimization and diagnostics.

Gunner Hardy· Senior Associate

An investment professional with experience in banking, startup advisory and genetics research. He previously worked at BofA Merrill Lynch, the World Bank and EBRD, was an analyst at Conscience VC, and worked with VITA DAO.

g•••@blg.vcreveal

Helen McBride· Operating Partner, BOLD Capital

Brings 20+ years in healthcare and life sciences, including 13+ years at Amgen and a role at TORL Biotherapeutics. She previously led healthcare investing at Fund@Caltech and holds a PhD in Oncological Sciences.

Sun Altbach· Senior Scientific Advisor

A biopharmaceutical executive with over 25 years of experience, having worked at Biogen, Genzyme and Shire, and served as founding CEO of PIC Therapeutics. She holds a BA from Smith College and an MBA from MIT.

What they invest in

from 7 of 13 portfolio companies

AI & Machine Learning ×5Healthtech ×5Biotech ×3Deep Tech ×2Digital Health ×2Medical Devices ×2Hardware ×1Wellness & Fitness ×1

HQs:United States×4

Investments · 13 tracked

founders shown can be your intro path

4DMT

Aqtualaqtual.comin

Aqtual is a precision medicine company led by experienced healthcare professionals, entrepreneurs, and technical experts.

AI & Machine LearningHealthtechMedical Devices

BigHat Biosciencesbighatbio.comin 𝕏

Big Hat Bio develops therapeutics under development across multiple programs.

AI & Machine LearningBiotechDeep TechSan Francisco, US

Peyton Greenside(Executive Officer, Director)Steve Kafka(Director)Vineeta Agarwala(Director)Robert Chess(Director)Mark DePristo(Executive Officer, Director)

BoardFrancisco Gimenez(Director)

Biolinqbiolinq.comin

Biolinq

Colossalcolossal.com

Fountain Lifefountainlife.comin

Fountain Life provides predictive and restorative medicine services combining advanced diagnostics, AI-driven insights, and therapeutic interventions focused on early detection, prevention, and reversal of asymptomatic disease.

AI & Machine LearningDigital HealthHealthtechOrlando, US

Anthony Robbins(Director)Dr. B.K. Modi(Director)J. Tobin Geatz(Director)Robert Hariri, MD(Director)Peter H. Diamandis, MD(Director)William K. Kapp, III, MD(Director)

Insilicoinsilico.comin 𝕏

Insilico Medicine in 𝕏

Uses artificial intelligence innovations to bridge biomarker development and drug discovery.

BiotechBaltimore, US

Aleksandrs Zavoronkovs(Executive Officer, Director)

Ouraouraring.com

Oura Ring is a wearable smart ring that collects and analyzes 50+ personal health metrics to provide insights on sleep, fitness, and wellness for individual users.

HardwareHealthtechWellness & Fitness

Tom Hale(CEO)in

Propriopropriovision.comin 𝕏

Propriovision develops the Paradigm platform, an implant-agnostic surgical system that uses AI and structured intraoperative data to optimize surgical workflows, enhance safety, and improve capacity utilization for hospitals and health systems.

AI & Machine LearningHealthtechMedical Devices

Verge Genomicsvergegenomics.comin 𝕏

Verge Labs builds AI models trained on multimodal human patient data to predict drug targets and patient populations for clinical development, primarily in neuroscience and central nervous system (CNS) disease.

AI & Machine LearningBiotechDeep TechDigital HealthHealthtechSan Francisco, US

Alice Zhang(Founder/CEO)inEmily Ripka(Head of Product & Engineering)Jason Chen(Cofounder)

visit www.4dmoleculartherapeutics.com4dmoleculartherapeutics.comin

Portfolio news

latest coverage across their companies

Oura Secures Investment From Eli Lilly To Expand Connected Health Tools

Oura · pulse2.com · Jul 17, 2026

Where Are They Now: Verge Genomics | Science | AAAS

Verge Genomics · science.org · Dec 17, 2025

Frequently asked questions

What stage does BOLD Longevity invest at?: BOLD Longevity invests at the Growth, Late Stage stages.
What sectors does BOLD Longevity focus on?: BOLD Longevity focuses on AI & Machine Learning, Biotech, Healthtech, Longevity.
Where is BOLD Longevity located?: BOLD Longevity is headquartered in Boston, US.
Does BOLD Longevity lead rounds?: BOLD Longevity typically participates in rounds rather than leading them.

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