molecular-glues
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Sean X. Hu
Sean X. Hu is the President and CEO of Rapafusyn Pharmaceuticals, a Baltimore-based biotech spun out of Johns Hopkins that is building a library of natural-product-like macrocycles it calls RapaGlues. He is a genomics PhD turned Wharton MBA turned management consultant turned operator, with prior stops at Bristol Myers Squibb, CuraGen, Illumina, AT Kearney, IMS, Bionest, BioStrat, GlobalData, and Avotres. In September 2025 he closed an oversubscribed $44M Series A led by BioTrack Capital and Yonjin Capital to push RapaGlues into difficult-to-drug targets.
Greg Verdine
Gregory L. Verdine is a Harvard-trained chemical biologist who coined the phrase 'drugging the undruggable' and built an empire around it. The Erving Professor Emeritus at Harvard University, he co-invented stapled peptides, pioneered the field of chemical biology, and founded or co-founded more than a dozen biotech companies - several of which reached the Nasdaq and three of which produced FDA-approved drugs. In July 2023 he joined Andreessen Horowitz as a Venture Partner on the Bio + Health team, bringing his rare combination of deep scientific discovery, serial entrepreneurship, and capital deployment to one of Silicon Valley's most influential venture firms.