Adrienne Jo earned a neuropharmacology PhD at the University of Pennsylvania, where she studied brain-wide opioid receptor networks in mice at different stages of opioid use disorder, giving her a close-up view of addiction biology before she moved into investing. She has carried that focus into her public work, hosting the psychedelic science podcast Psych Exchange and helping build the University of Pennsylvania's biotech startup pipeline as Co-Managing Director of Nucleate Philadelphia, while also speaking specifically about how psychedelics and new therapies might change recovery from substance use disorders.
About their Fund
Palo Santo grew out of Daniel Goldberg's earlier Bridge Investments network and focuses on next-generation mental health treatments, aiming to build therapies that fit within the existing healthcare and insurance system rather than chasing decriminalization trends or quick stock listings, and it favors biotech-heavy, patent-protected compounds over classic psychedelic assets alone. The fund sets aside an unusually large share of capital for follow-on investments in its top companies, is backed by a scientific advisory team with deep pharmacology expertise, and has seen portfolio companies acquired by major pharmaceutical companies like AbbVie and Otsuka, supporting its goal of connecting psychedelic research with mainstream drug development.















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