JLS

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 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 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 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.

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.

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 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 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.