Dr. William Go Joins Janux Therapeutics: Marking a New Era for Immunotherapy Innovation
Leadership Transition Brings Extensive Oncology Expertise to Janux’s Pipeline
Janux Therapeutics, a clinical-stage biopharmaceutical company focused on novel immunotherapies, has appointed William Go, M.D., Ph.D., as Chief Medical Officer, effective January 26, 2026. Dr. Go will succeed Dr. Zachariah McIver, who is departing to pursue new opportunities. With over 20 years in hematology and oncology, Dr. Go has steered programs from early clinical phases to global approvals and first-in-class product launches. His arrival comes at a pivotal moment as Janux strengthens its clinical and regulatory operations.
Strategic Experience to Accelerate Pipeline Progress
Dr. Go’s professional background is both broad and deep. Most recently, he served as Chief Medical Officer at A2 Biotherapeutics, leading the clinical introduction of logic-gated CAR T-cell therapies and overseeing three Phase 1 trials for solid tumors. At Kite Pharma, he played a central role in the ZUMA-1 pivotal trial, which led to the FDA and EMA approvals of YESCARTA®, the first CAR T-cell therapy for large B-cell lymphoma. His tenure included oversight through Kite’s acquisition by Gilead Sciences and continued leadership in large B-cell lymphoma development. Earlier, at Amgen, he contributed to the expansion of Vectibix® and advanced biomarker strategies in colorectal cancer.
Comprehensive Pipeline Targeting Broad Cancer Indications
Janux is advancing a multifaceted portfolio using its proprietary Tumor Activated T Cell Engager (TRACTr), Tumor Activated Immunomodulator (TRACIr), and Adaptive Immune Response Modulator (ARM) platforms. The company’s current pipeline focuses on two clinical-stage candidates:
| Candidate | Mechanism/Platform | Target | Current Status | Indications |
|---|---|---|---|---|
| JANX007 | TRACTr | PSMA | Phase 1 | Prostate cancer (mCRPC) |
| JANX008 | TRACTr | EGFR | Phase 1 | Colorectal, head and neck, lung, renal, pancreatic, triple-negative breast cancer |
| PSMA-TRACIr | TRACIr (CD28-based) | PSMA | Preclinical | Combination with JANX007 |
| TROP2-TRACTr | TRACTr | TROP2 | Preclinical | TROP2+ solid tumors |
| CD19-ARM | ARM | CD19 | Preclinical | Autoimmune diseases |
Expertise Aimed at Scaling Clinical Success and Regulatory Strength
Dr. Go’s experience in moving therapies from early trials to market aligns with Janux’s vision of expanding its platform. His arrival comes as Janux increases the complexity and scale of its clinical programs, aiming to reach patients with significant unmet needs in oncology and beyond.
Positioned for Meaningful Advances in Oncology Therapeutics
“Janux is entering an important new phase as our programs advance and the complexity of our clinical and regulatory efforts increases,” said Dr. David Campbell, President and CEO. Dr. Go emphasized the unique tumor-activated T-cell engager platform and the science-driven approach as key draws. Under his stewardship, Janux appears poised to advance next-generation immunotherapies, aiming to deliver meaningful benefits for patients across a range of difficult-to-treat diseases.
Takeaway: Leadership and Pipeline Integration Enhance Outlook
With proven executive leadership and robust development experience, Janux’s appointment of Dr. Go signals a strategic shift towards greater clinical execution. Investors and industry watchers may want to monitor upcoming trial results and the company’s next moves, as Janux leverages its innovative platforms to potentially redefine the immunotherapy landscape.
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