Geoffrey Weiss. founder or The Custom Column Packing Company

CEO and Founder

Geoff Weiss

Experience:

Over 30 years of experience in downstream process development for biomolecules, including antibodies, enzymes, oligonucleotides, AAV, live viruses, and exosomes.

Ten years supporting chromatography hardware and resins as a Field Applications Specialist at GE Healthcare (now Cytiva Life Sciences)

Located in the San Francisco Bay Area.

Industry memberships:

PDA logo with the full name Parenteral Drug Association and a stylized globe
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Why Work With The Column Packing Company

1.      Performance you can trust — We use the highest-quality materials in our columns, including resins from premium suppliers. Our packing process follows current industry best practices and is highly reproducible, with very low lot-to-lot variation in performance testing.

2.      QC-verified, every column — Every column undergoes rigorous quality control testing before it ships, so you get consistent, reproducible performance run after run.

3.      Built for frequent replacement — Lower pricing means you can replace columns more often, keeping performance consistently high over time rather than watching it degrade between costly swaps.

4.      A partner, not just a supplier — We help you optimize resin selection, column size, and process conditions. We offer phone and email support, troubleshooting, and process-improvement guidance to reduce downtime, failed runs, and frustration.

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