Gregory Korbel

Founded in 2012, Atrin Pharmaceuticals, Inc. is a DNA Damage Response development company that focuses on a pipeline of products resulting from a series of novel conformationally restricted macrocyclic molecules. Part of Aprea Therapeutics, Inc., the company is based in Doylestown, PA. Atrin Pharmaceuticals was acquired by Aprea Therapeutics, Inc. on May 16, 2022 for $1.33 million. The company's products have the highest known potency for inhibiting ATR and exhibit ATR selectivity with potential broad therapeutic profile.

Novira Therapeutics, Inc. operates as a clinical-stage biopharmaceutical company. It focuses on the discovery and development of therapies for the treatment of chronic hepatitis B (CHB) infection. The firm’s novel antiviral drug candidates addresses the limitations of CHB therapies. The company was founded in 2009 by Osvaldo Flores, Ali Munawar and George D. Hartman and is headquartered in Doylestown, PA.