Calluna Pharma

Founders

• Jonas Hallen (Norway · ♂) — A physician who met co-founders at Novartis and co-founded Arxx Therapeutics targeting inflammation and fibrosis; when Arxx merged with Oxitope Pharma in 2024 to form Calluna, he continued as co-founder and Chief Medical Officer.
• Rizwan Hussain (Norway · ♂) — An entrepreneur and former Novartis colleague who co-founded Arxx Therapeutics in 2019 around DAMP-targeting immunology research, which became Calluna Pharma after the 2024 merger.
• Joerg Klingelhoefer (Germany · ♂) — The scientist whose academic research on innate immunity formed the basis of Arxx Therapeutics, the Norwegian company that merged into Calluna Pharma.