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INTELLIGEN is a high technology company that develops and markets software tools for simulation, computer-aided process design, capacity analysis, production scheduling, debottlenecking, environmental impact assessment, and project economic evaluation. INTELLIGEN's software tools serve the process manufacturing industries.

INTELLIGEN is the leading supplier of simulation and design tools for the biotech, specialty chemical, pharmaceutical , mineral processing, and food and consumer goods industries. Our environmental and water purification simulation tools are changing the rules of those markets and quickly gaining acceptance.

INTELLIGEN was founded in 1991 to commercialize computer-aided process design technology that had been developed at the Biotechnology Process Engineering Center of the Massachusetts Institute of Technology (MIT). All of its founding members received PhD's in Bio / Chemical Engineering from MIT.

Our customer base is growing fast. Here is a sample of our current clients.

US Contacts for Business and Other Inquires:  

Demetri Petrides & Elpida Sapidou
Scotch Plains, NJ
Phone: +1 908 654-0088
Fax: +1 908 654-3866
Email: dpetrides(at)

Charlie Siletti
Phone: +1 603 715-9175
Mobile: +1 609 410-6484
Email: casiletti(at)

John Calandranis
Mobile: +1 262 483-8846
Email: jcalandranis(at)

European Contact for Business and Other Inquires:  

Dimitris Vardalis
Thessaloniki, Greece
Tel: +30 2310 472-670
Email: dvardalis(at)