Our Leadership Team

For over 20 years, we have offered relentless customer service, giving our customers the support they need, when they need it.

John Biglin

Chief Executive Officer

John Biglin, Founder & CEO of Interphase Systems, leads the company with over 25 years of experience in the technology industry, providing high-quality technology advisory services to Fortune 500 companies worldwide.

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Denise Biglin


As the president of Interphase Systems, Denise Biglin leads all back-office operations, including finance and human resources. Denise works proactively with our clients and employees to ensure the firm’s contractual and financial obligations are met.

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Jon Prange

Director, Managed Services

Jon is responsible for leading the company’s managed services business. For the past nine years, Jon has worked to provide excellent customer service while delivering a complete technical architecture package.

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Lew Smith

Director, Client Services

Lew Smith serves as director of client services. His team is responsible for the overall service delivery to Interphase’s clients, with a specific focus on quality and customer satisfaction.

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Todd Smith

Director, Information Security Practice

At Interphase, Todd is responsible for the development of a complete security program, a Managed Security as a Service offering, as well as the implementation of leading security technologies within client environments.

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Michael Walsh

Director, Infrastructure Services & Client CIO

Michael Walsh is responsible for delivery of technical architecture, strategy, engineering, operations and support services to many of Interphase’s clients.

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