How many investments has JLS made?

JLS has 18 tracked investments, 1 of which have exited via acquisition or IPO.

What stage does JLS invest at?

JLS invests at the Seed, Series A, Series B stages.

Where is JLS located?

JLS is headquartered in New York, US.

Who does JLS co-invest with?

JLS most often shares deals with Noetic, Innovating Capital, Iter Investments, among 18 tracked co-investors.

JLS

Venture capitalActively deploying

New York · Seed–Series B · 12 people tracked

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Investment thesis

JLS Fund focuses on the emerging field of precision neuromedicine, capitalizing on advances driven by science, technology, and data. The firm finances and helps build companies that convert breakthroughs in neuroscience, technology, and data into meaningful patient outcomes and value for strategic acquirers.

Invests inBiotech Deep Tech Digital Health Healthtech Medical Devices New York

Source: firm website, verified Aug 3, 2026.

Stage

Seed–Series B

New York, US

Instruments

Equity

Founded

2019

Tracked investments

Team · 12 people

from the firm's website

Simeon Schnapper· Managing Partner· New York, New York, United Statesin

Jeffrey Siegel· Partner & Investor Relations· Plattsburgh, New York, United Statesin

Jeffrey Siegel is a Senior Content Contributor at Eunice.io with over 25 years of experience as an editorial writer and copywriter in the financial newsletter industry. His expertise spans renewable energy, agriculture, biotech, foodtech, cannabis, psychedelics, transportation, and ESG investing. He is the author of Investing in Renewable Energy: How to Make Money on Green Chip Stocks and co-author of Energy Investing for Dummies, published by John Wiley & Sons, and has appeared as a guest on Fox, CNBC, Bloomberg Asia, and Cheddar.

Brendan Hussey· Principal· Canadain

Brendan Hussey is a Principal at JLS Fund focusing on life sciences deep technology ventures. He has background as a synthetic biologist, biotech entrepreneur with a successful exit, and former investment banker, and currently works as a venture capitalist and consultant.

Andrew Tatarsky· Advisor· New York City Metropolitan Areain

Andrew Tatarsky is a psychologist and founder of the Harm Reduction Therapy Training Center who has worked in substance use treatment for over 35 years in roles including counselor, program director, and trainer. He developed Integrative Harm Reduction Psychotherapy, an approach that combines psychodynamic, cognitive-behavioral, and mindfulness strategies to address substance misuse and other risky behaviors alongside broader personal and social issues. His work has been documented in the book *Harm Reduction Psychotherapy: A New Treatment for Drug and Alcohol Problems*, published in English, Polish, and Spanish editions, and he conducts professional training nationally and internationally.

David Hirsch· Advisor· New York, New York, United Statesin 𝕏

David Hirsch is a General Partner and founder at Compound VC. Previously, he spent his career in sales and business development roles at technology companies, including Google, where he joined as the second employee at the New York office in 2000 and later co-founded the Vertical Markets Group to develop the company's monetization strategy and regional sales structure.

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Ethan Nadelmann· Advisor· New York City Metropolitan Areain

Gul Dolen· Advisor· Northbrook, Illinois, United Statesin

Gul Dolen is Managing Partner at Salveo Capital and a private equity investor with experience across venture capital, private company operations, and board-level advisory roles. He has founded multiple frontier market investment funds focused on cannabis, psychedelics and CNS disorders, and energy and resource efficiency, with sector expertise spanning software, financial services, regulated industries, and clean technology. Dolen has held interim executive positions and brings experience in M&A transactions, capital raising, international expansion primarily in Asia, and corporate development strategy.

Leonard Pickard· Advisor· Santa Fe, New Mexico, United Statesin

Lindsay Hoover· Managing Partner· Carmel Valley, California, United Statesin

Lindsay Hoover is co-founder and managing partner at JLS Fund. Her background encompasses corporate finance, strategy, and investment banking, with expertise in corporate development, mergers and acquisitions, equity and debt placements, and restructuring advisory.

Mark Losh· Advisor· Port St Lucie, Florida, United Statesin

Mark Losh is founder and CEO of FaithWell PBC, a platform designed to support spiritual growth within churches, recovery ministries, and faith-based organizations. The company's SpiritualOS offering combines assessment, personalized planning, coaching, and community reflection to track spiritual development across the week. Losh previously spent nearly 40 years in venture-backed technology companies before founding FaithWell.

Nick Gillespie· Advisor· New York, New York, United Statesin

Nick Gillespie is Editor At Large at Reason Foundation, where he has worked since 1993 across roles including managing editor and editor in chief. He produces written content, videos, and podcasts for Reason.com and has been a finalist for National Magazine Awards twice, as well as a columnist for Time and The Daily Beast. Gillespie holds a Ph.D. in American literature from SUNY-Buffalo and has prior experience as a journalist covering entertainment, arts, and culture.

Walter Greenleaf· Advisor· Stanford, California, United Statesin

Walter Greenleaf is Research & Innovations Director at Stanford University's Medical Mixed Reality Center and an advisor to the Virtual Human Interaction Lab, the Wearable Electronics Program, and the VR-IT Clinic. Over 35 years, he has designed and developed clinical systems in surgical simulation, medical visualization, telerehabilitation, sleep staging, and digital health products, and currently advises numerous medical technology companies and venture firms on digital health systems. He serves as founding Board Chair of the International Virtual Reality Health Association and has held chief science officer positions at Pear Therapeutics and Interaxon.

What they invest in

from 15 of 18 portfolio companies

Digital Health ×10Mental Health ×9Biotech ×8Healthtech ×6AI & Machine Learning ×3Wellness & Fitness ×2Consumer ×1EdTech ×1

HQs:United States×5Canada×1

Investments · 18 tracked

founders shown can be your intro path

Cybincybin.com in 𝕏NASDAQ: HELP

Helus Pharma (branded Cybin) is a clinical-stage biotech developing novel serotonergic agonist therapies for mental health conditions, with lead programs including CYB004 in Phase 2 trials for generalized anxiety disorder.

BiotechDigital HealthMental HealthToronto

Eric So(Co-Founder, Executive Chairman & Interim CEO)Paul Glavine(Director, Executive Officer)Gabriel Fahel(Executive Officer)George Tziras(Director, Executive Officer)Aaron Bartlone(Executive Officer)Greg Cavers(Executive Officer)

Co-investorsInnovating Capital Noetic

AiVita Biomedicalaivitabiomedical.com

AIVITA Biomedical is a biotechnology company developing personalized vaccines using an autologous cell therapy platform, including a pan-antigenic cancer vaccine that targets all neoantigens and a multi-pathogen vaccine kit for infectious disease prevention.

BiotechHealthtechIrvine, US

Hans S. Keirstead(Executive Officer, Director)Gabriel Nistor(Executive Officer)Ed Inal(Executive Officer)

BoardAlexander B. Suh(Director)Susan Bloomfield(Director)

Awkn Life Sciences Incawaknlifesciences.com inacquired by Solvonis Therapeutics

BiotechDigital HealthMental Health

Co-investorsIter Investments

Ceretypeceretype.com in

Ceretype is a services, platform, and insights company that produces functional brain maps and biomarkers by quantifying fMRI data to measure brain activity and circuitry at the individual patient level.

AI & Machine LearningBiotechDigital Health

Co-investorsLeafy Tunnel

Diamond Therapeuticsdiamondthera.com

Diamond Therapeutics is a preclinical biotechnology company developing drug treatments for psychiatric and neurological disorders, with a focus on the pharmacology and therapeutic use of psychedelic compounds.

BiotechHealthtechMental HealthToronto, CA

Judy Blumstock(Chief Executive Officer, Founder, Director)Michael B. McDonnell(Chief Medical Officer)Grant McCutcheon(Chief Financial Officer)

Co-investorsNoetic

Double Blinddoubleblindmag.com 𝕏

DoubleBlind is a media and community company that publishes journalism, guides, and educational courses about psychedelics, and offers memberships including a magazine, webinars, and a private community.

ConsumerMedia & EntertainmentWellness & Fitness

Entheaenthea.com in

Enthea is a third-party administrator (TPA) that provides employer-sponsored mental health benefits covering psychedelic-assisted therapies, such as ketamine-assisted therapy, to address root causes of conditions like trauma, depression, and addiction.

Digital HealthInsurTechMental Health

Co-investorsChicago Early Growth Ventures (CEGV)

Fireflyimmersivefireflyimmersive.com

Firefly Immersive builds The Sanctuary, a modular immersive (VR) therapeutic platform delivering science-backed content and biofeedback for behavioral health conditions such as stress and anxiety, substance use disorders, sleep disorders, and resilience training.

Digital HealthHealthtechMental Health

Fluencetrainingfluencetraining.com in

Fluence provides education and professional certification in psychedelic therapy for therapists and mental health professionals, offering courses on molecule-specific treatments (MDMA, psilocybin, ketamine), harm reduction, and integration.

Digital HealthEdTechMental Health

Co-investorsIter Investments

Gawellagwellamushrooms.com

Co-investorsInnovating Capital

Gilgamesh Pharmaceuticalsgilgameshpharmaceutical.com in 𝕏

Gilgamesh Pharmaceutical develops novel chemical entities for psychiatric disorders using medicinal chemistry and AI-powered translational platforms to design rapid-acting therapies targeting neurobiological mechanisms rather than symptom management.

AI & Machine LearningBiotechDigital HealthHealthtechNew York City, US

Jonathan Sporn(Founder)inAndrew Kruegel(Founder)inDalibor Sames(Founder)inJONATHAN SPORN(Founder)inAndrew Kruegel, Ph.D.(Executive Officer)Jonathan Sporn, M.D.(President and Chief Executive Officer)

Co-investorsAera VC Frontera Technology Ventures Frontier Path VC James Beshara Fund Magnetic Ventures Noetic +4 more

GoodCapgoodcap.com in 𝕏

GoodCap Pharmaceuticals develops drug candidates targeting disorders driven by neuroinflammation, with a lead candidate (GCAP001) combining two molecule classes to reduce inflammatory biomarkers linked to psychiatric and neurodegenerative conditions.

BiotechDigital HealthMental Health

Darryl Hudson(Co-founder)

Hemispherichemispheric.ai

Gidi Littwin(Founder)

Homecominghomecoming.health in

Homecoming is a HIPAA-compliant electronic health record (EHR) and practice-management platform for psychedelic centers, retreats, churches, and guides, covering intake and screening, e-signatures, prep and integration programs, outcomes tracking, and referrals.

Digital HealthMental HealthSaaS

Immunis Biomedicalimmunisbiomedical.com in

Immunis Biomedical develops multi-active biologics based on stem cell-derived secretomes — cell-free therapeutics containing proteins, lipids and growth factors — aimed at treating age-related and immune-related diseases.

BiotechHealthtechLongevityIrvine, US

Hans Keirstead(Chairman of the Board)

Co-investorsBold Capital Partners quadraScope Venture Fund Remiges Ventures, Inc.

Ksana Healthksanahealth.com in

Active seed-stage healthcare company

Eugene, US

Nicholas Allen(Chief Executive Officer)Phillip Scripa(Chief Financial Officer and Secretary)William Shortt(Chief Operating Officer)Jan Hardorp(Director)

Co-investorsBIP Ventures re.Mind Capital

Lieflief.ai in 𝕏

Lief is an AI wearable that measures heart rate and breathing to track stress in real time via heart rate variability (HRV), and guides users through HRV biofeedback exercises to self-regulate their stress response.

HardwareMental HealthWellness & Fitness

Naiturnaitur.ai

Naitur builds AI automation for independent health and wellness practices, covering intake, follow-up, lab result delivery, rating-scale scoring, and clinical research workflows with compliance controls (HIPAA, GDPR, IRB) and human oversight.

AI & Machine LearningDigital HealthHealthtech

Exits · 2

IPOs and acquisitions across the tracked portfolio

CybinNASDAQ: HELPAwkn Life Sciences Incacq. by Solvonis Therapeutics

Portfolio news

latest coverage across their companies

Cybin (NASDAQ:HELP) Price Target Raised to $62.00 - Ticker Report

Cybin · tickerreport.com · Aug 23, 2026

Lilly enters psychedelic drug race with up to $3.8 billion AtaiBeckley deal | 1470 & 100.3 WMBD

Gilgamesh Pharmaceuticals · wmbdradio.com · Jul 16, 2026

Diamond Therapeutics Receives Multi-Million Dollar US Government Funding for Phase 2 Clinical Trial of Anxiety Treatment — OBIO

Diamond Therapeutics · obio.ca · May 19, 2026

Ksana Health Awarded ARPA-H Contract to Build a Behavioral Health Foundation Model

Ksana Health · prnewswire.com · May 14, 2026

Clemson University homecoming raises money for families in need

Homecoming · yahoo.com · Oct 31, 2025

Frequently asked questions

How many investments has JLS made?: JLS has 18 tracked investments, 1 of which have exited via acquisition or IPO.
What stage does JLS invest at?: JLS invests at the Seed, Series A, Series B stages.
What sectors does JLS focus on?: JLS focuses on Biotech, Deep Tech, Digital Health, Healthtech, Medical Devices.
Where is JLS located?: JLS is headquartered in New York, US.
Who does JLS co-invest with?: JLS most often shares deals with Noetic, Innovating Capital, Iter Investments, among 18 tracked co-investors.

Media · Podcasts & interviews

featuring the team

79. Weaving a New Type of Magic: The JLS Fund & Psychedelic Philanthropy with Simeon Schnapper

The Gravity Podcast · Simeon Schnapper

Images

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