Stefano Spaggiari

Founder and CEO

Stefano has led Expert System to both global and industry wide recognition as a leader in semantic software. In addition to providing strategic direction, Stefano is involved in raising the profile of semantic technology throughout Italy. He helped found Semantic Valley, the European consortium of education, research and technology organizations dedicated to improving the quality of life through generating innovation and creativity through semantic technology. Stefano holds an EMBA from the Alma Graduate School of the University of Bologna, as well as a degree in Computer Science from the University of Modena, Italy.

Marco Varone

Founder and CTO

Marco created the award-winning, patented Cogito semantic technology, the basis for Expert System’s semantic product family. He has extensive experience creating natural language interfaces for search technology and leads the company’s technology development in the areas of linguistics and technology management. Marco is a recognized thought leader in semantic technology, and he blogs regularly on semantic technology for the leading Italian newspaper, Il Sole 24ORE. Marco holds a degree in Computer Science from the University of Modena, Italy.


lucascagliarini-bwLuca Scagliarini

VP, Strategy & Business Development

Luca is responsible for leading Expert System's worldwide sales. He has held leading positions at Hewlett Packard in Italy and in the US and at SiteSmith, where he contributed to an impressive first-year growth and the ultimate sale to Metromedia Fiber Network. In 2010, Luca helped found and launch ADmantX, where he previously served as CEO. Luca holds an Engineering degree from the Politecnico di Milano, Italy and an MBA from Santa Clara University, California.

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Andrea Melegari

COO, Intelligence Division



Andrea leads Expert Systems in sales, support and solutions for intelligence and security in the public and private sector and plays an instrumental role in the company's strategic initiatives. Prior to his tenure at Expert System, Andrea founded Expertweb, an advanced IT solutions developer and consultancy and division of the Expert System Group until its sale to Banzai Group, a leading Italian new media company. Andrea holds a degree in Computer Science from the University of Modena, Italy.



Luigi Paraboschi

Chief Financial Officer



Luigi brings over 25 years of international finance experience to Expert System, where he oversees  the company’s corporate finance and accounting functions. He joins the company from HP, where he was most recently Vice President, Finance for the Personal Systems Group, EMEA. Prior to that, he held executive Finance positions within HP’s Imaging and Print Group for its InkJet and LaserJet businesses in the US, as well as senior roles in HP’s commercial and consumer markets for start-up and mainstream product life cycle stages. Luigi earned a Master’s degree in Economics from Bocconi University in Milan, Italy.


Bryan Bell

Executive Vice President

Bryan oversees all business development and sales for Expert System in North America. He has extensive software industry experience including helping build organizations focused on desktop training, search, automated metadata extraction, taxonomy creation, knowledge management and semantic technologies. Prior to his tenure at Expert System, he also held positions at, Autonomy, APR Smartlogik and Concept Searching. Bryan is a graduate of Murray State University.

Paolo Lombardi

Founder and R&D Director

Paolo oversees the continued building and development of Expert System’s core semantic technology. As the leader of R&D operations, he leads an extensive team in the development of innovative semantic technology products. He brings extensive expertise in search technology, especially as it applies to automatic language translation. As co-founder, he contributed to the creation of the Cogito semantic platform, and is actively involved in the company’s continued growth. Paolo holds a degree in Computer Science from the University of Modena, Italy.



marcellopellacani-bwMarcello Pellacani

VP, Enterprise Division

Marcello focuses on building partnerships and developing social media monitoring and sentiment analysis technologies and projects. He was formerly the President and CTO of Expertweb, an advanced IT solutions developer and consultancy, where he helped double the company’s revenue in just three years before its purchase by Banzai Group. Marcello has co-founded numerous successful IT start-ups and has held positions at Olivetti in its Formula 1 team and at IBM. Marcello holds a degree in Mathematics and a degree in Computer Science from the University of Modena, Italy.

Andrea Belli

Director, Professional Services

As professional services director, Andrea is responsible for the planning, oversight and execution of the company’s project-related implementation delivery for North America and Asia Pacific. At Expert System, Andrea previously served as product manager for the company’s flagship development tool for categorization and entity extraction projects, Cogito Studio. Andrea previously worked for Telecom Italia's R&D division, contributing to the evolution of content-to-person services over convergent networks . Andrea holds a Master's degree in computer engineering from Modena University, Italy and a Masters in Telecommunications from Politecnico di Torino, Italy.