Who We Are

We’re transforming the industry with Pure-IP.

Founded in 1999, ISONAS is the first access control company to design and manufacture a cutting-edge, IP-to-the-door solution that eliminates needless complexity—including inconvenient control panels, separate power supply, and dedicated hard-wiring. Our network-based PowerNet™ reader-controllers offer a patented technology that easily integrates with Windows-based software to deliver more simplicity, greater value, and total flexibility to go places you never thought possible. With 50,000+ readers already installed worldwide across a range of commercial and private organizations, ISONAS provides a proven solution that is revolutionizing the industry. Based in Boulder, Colorado, our company is privately held.


Tom Gambon

VP of Finance and Operations

Tom Gambon brings more than 20 years of experience in finance and supply chain management roles for manufacturing companies, including 11 years as CFO.  He has held executive positions at successful companies in the private and public-high tech markets with budgets in the hundreds of millions of dollars.  His most recent position was at Vergent Products, Inc., where he served as Chief Financial Officer for the Loveland, Colorado based contract manufacturer, responsible for all aspects of finance, accounting, human resources, facilities, legal and information technology.  Prior to his time at Vergent Products, Tom was the Chief Financial Officer and General Manager for Colorado vNet, a home automation products company in Loveland. He was instrumental in facilitating the acquisition of Colorado vNet by Russound, Inc. in 2009.  Tom also served in high level finance and supply chain roles at Cognitive Solutions Inc., StarTek Inc., and Exabyte Corporation.  Tom has a Bachelor's degree in Business Administration with an emphasis in Finance from the University of San Diego and a Masters of Business Administration with an emphasis in Finance and Accounting from Regis University.

Steve Calderoni

VP of Information Technology

Steve Calderoni has more than 20 years of experience in all facets of IT that includes system design and architecture, security, systems support, and systems/network administration. During his extensive career, Steve has held executive IT positions at high profile companies and most recently worked at EcoSys, where he served as VP of Information Technology and oversaw all IT functions that included managing IT budgets and purchasing, IT planning, security, personnel, process and procedure for all IT systems, and vendor relationships. Prior to his position at EcoSys, Steve was the Director of IT Operations & Security at Market Force Information where he was responsible for all aspects of IT Infrastructure. Steve holds a Bachelor’s degree from DeVry University in Systems Engineering with a minor in Electronic Engineering. Steve brings incredible knowledge of networks and best practices for a SaaS platform, and he will be dedicated to driving the technical interface with the ISONAS customer to the next level through the deployment, documentation and support of ISONAS products.  

Rob Lydic

Global Vice President of Sales

Rob Lydic is a nationally recognized sales leader in the physical security and information technology fields.  Rob created the largest manufacturers representative firm in the security industry and received over 14 national sales awards for performance. His sense of old fashioned honesty and integrity teamed with an assertive distruptive sales model has enabled Rob to lead highly successful sales teams.  Rob is 1997 graduate of Ohio Northern University,  member of the ONU Dicke College of Business Advisory Board, a 10 year member of the Entreprenuer’s Organization, a 2012 ONU Athletic Hall of Fame Inductee, an Ironman, and is regularly published in industry trade magazines.  Rob was named the prestigious DBusiness Magazine's "Thirty in their 30's".   Rob resides in Boulder with his wife, teaming together to raise two leaders of tomorrow.

Melissa Stenger

VP of Product Management and Marketing

Melissa is a longtime advocate for the customer spanning many types of businesses, from small technology companies to large consumer products companies and national retailers.  She has run customer facing teams for over 10 years and continues to impact organizations with her customer centric focus.  Her ability to understand the customer perspective and incorporate that into the day to day culture of organizations has made her a true leader. Her current role as VP of Product Management at ISONAS has enabled her to carry out her mission of developing products that exceed customer expectations on each and every project she touches.

She is a 2003 graduate from Indiana University’s Kelley School of Business.  In addition, she has been selected as a Rising Star within multiple organizations and participates as a Mentor for students at the Colorado University Leeds School of Business. 

Jesse Euton

Director of Engineering

Jesse comes to ISONAS with a deep knowledge of software application development.  He has a proven track record in building and delivering complex solutions for the agriculture, legal, and medical industries.  His technical expertise and ability to interface with all areas of the business has elevated ISONAS's product offerings in the market place. With 15 years of development experience, he has lead ISONAS through a complete software revamp and migration from an on premise software to a cloud-based application.  He believes deeply in building products that give customers a simple user interface and workflow and is always looking for opportunities to challenge the status quo. With a calm nature and patient demeanor, he continues to lead the engineering team in building scalable, reliable infrastructure and easy-to-use applications and APIs; pushing ISONAS to the bleeding edge of IP based access control.