Our Team

Meet the team at NitroSell. From code junkies to strategic minds, NitroSell’s diverse team ensures we provide the best solutions for our retailers.

Charles Garvey

Executive Chairman

As COO and later CEO, Charles played a key role in propelling Ireland’s top technology company Horizon from a staff of eight people to a group employing 720 people and floated on the Dublin and London stock exchanges. Charles established several start-up businesses for Horizon and was also responsible for most of the acquisitions and disposals undertook during his time there. Horizon was recently sold to Avnet Inc, a US-based international technology distributor.

Donogh Roche


Before joining NitroSell, Donogh was an Extreme Blue Intern and Software Engineer with IBM at their Dublin Software Lab and was involved in a number of indigenous startups, including the company’s predecessors, NitroWeb and Amagineering Systems. He has been working on commercial web projects since 1998 and holds a degree in Computer Science from University College Cork (UCC), with an emphasis on entrepreneurship and marketing.

Mike Rosa

VP of Sales & Head of US Operations

Prior to joining the team in 2012, Mike managed a NitroSell WebStore in Michigan for a mutual-client of his Media Production and Marketing firm. That business sprang from his pioneering the Virtual Concierge Kiosk in 2004. He also worked in Radio, Televison and Advertising sales after receiving his Bachelors in Media and Marketing from Central Michigan University (CMU).

Peter Szczepanowski

Head of Client Services

Peter has been involved in e-commerce projects since 2012. Having joined NitroSell in 2015, he has been helping the retailers succeed online by providing best-in-class support. As VP of Services, his goal is to provide the best experience possible for our customers through our support, design, and online marketing teams.