- Our
- Company

Who We Are
Xcellon Biologics is a highly specialized CDMO focused on complex biologics including Antibody Drug Conjugates (ADCs), Bioconjugates, Bispecific Antibodies, and T-Cell Engagers.
Our expertise spans lead candidate selection through process development and manufacturing—helping biopharmaceutical companies overcome technological hurdles and accelerate the path from discovery to market.
With a team of industry-leading scientists, advisors, and biotech entrepreneurs, we bring decades of experience in biologics development, bioconjugation, and GMP manufacturing.
- Our Expertise
We Specialize In:
- Early Development for Bioconjugates
- Process Development & Optimization
- Analytical Development
- Formulation Development
- Non-GMP Manufacturing
- Advanced Data Analytics and Machine Learning for Bioprocessing
Why Choose Xcellon?
Decades of Industry Expertise:
Our team has collectively launched over 30 products, filed 20+ INDs, and has 40+ years of experience in both biologics and bioconjugates.
Strategic Location:
Cutting-Edge Facilities:
Machine Learning Innovation:
We integrate machine learning (ML) to improve process efficiency, reduce development timelines, and enhance manufacturing predictability.
Our Team
Our leadership comprises renowned scientists and industry veterans.
Partner
With Us
Partner With Us
Xcellon Biologics is backed by successful biotech entrepreneurs and professionals from top pharmaceutical and CDMO companies including Lonza, Abzena, Amgen, MedImmune, AstraZeneca, BioNTech, Seattle Genetics, and Immunomedics.
We collaborate with leading innovators and global partners to accelerate biopharmaceutical breakthroughs while maintaining the highest quality and regulatory standards.