Our Founder's Expertise

Geoffrey Weiss founded The Custom Column Packing Company after 30+ years as a downstream process scientist specializing in column chromatography.

At GE Healthcare (now Cytiva), Geoff worked as a Field Application Scientist, where he:

• Created chromatography training programs and seminars

• Served as a technical expert on GE's specialist team

After GE, he continued as a downstream process scientist, developing purification methods for various resins and target molecules.

Our Company

We provide PhastSep Antibody Purification Kits that deliver high-quality antibody purification from cell culture or other sources in under 1 hour. These kits feature single-use, pre-packed Protein A affinity columns coupled with desalting columns, providing a complete solution with no additional equipment or materials required.

In addition, we offer single-use pre-packed columns for stand-alone purification and as replacements for the PhastSep Purification Kits.

We are located in the San Francisco Bay Area.

Our focus and expertise enable us to help you find the best solutions from both a technical and practical perspective.

Ready to discuss your purification and chromatography needs? Contact us today.