NATHANIEL BROOKS HORWITZ

RA Capital Management LP (Private Equity) (RA Capital) is a private equity & venture capital subsidiary of RA Capital Management LP founded by Peter Kolchinsky in 2004. The firm is headquartered in Boston, MA.

GentiBio, Inc. engages in the development of engineered regulatory T cells (EngTregs) programmed to treat autoimmune, alloimmune, autoinflammatory, and allergic diseases. The company was founded by Adel Nada, David Rawlings, Jane H. Buckner, and Gideon Gross and is headquartered in Seattle, WA.

Avilar Therapeutics is an American biopharmaceutical company that specializes in the discovery and development of extracellular protein degraders. The company is based in an undisclosed location. The company has developed a proprietary discovery platform that includes novel, high-affinity, small molecule asgpr ligands and advanced modeling of the biophysics, pharmacokinetics, and pharmacodynamics of atac mediated endocytosis and degradation. Avilar is developing atacs, a new class of protein degraders that shuttle disease-causing proteins from circulation to the endolysosome where the unwanted proteins are degraded. The company is leveraging their atac platform to create a broad and diverse pipeline of first-in-class extracellular protein degraders. The company was founded by Nathaniel Brooks Horwitz and Jamie Kasuboski. The CEO is Daniel S. Grau.

Superluminal Medicines Inc is a generative biological and chemical company. The company is based in Boston, MA. The CEO of the company is Cony D'Cruz.

Nivien Therapeutics Co. is an American biotechnology company that operates in the field of biotechnology. The private company was founded by Nathaniel Brooks Horwitz.

New Equilibrium Biosciences, Inc. operates as a biotechnology company. The company is headquartered in Boston, MA.