Jeff is a chemist by profession, having experience in design, construction, operation, and troubleshooting of pilot to industrial-size membrane systems including RO, membrane softening, ultrafiltration, and microfiltration (mostly in non-traditional applications).

He specializes in mineral scale formation and inhibition and  fouling and performance restoration of membrane systems. He has experience with other water treatment techniques including ion exchange, sorption and chemical treatment. He has managed R&D, Technical, and Analytical laboratories. He is a member of several professional organizations, has been published in various technical journals, and lectures frequently.