---
title: Meet the Onyx Business Leadership Team | Onyx
description: Meet the Onyx Business Leadership team – the leaders of the business within the Onyx portfolio. Ensuring business growth, stability, and lasting success.
---

[Skip to the main content.](https://harrisonyx.com/business-leadership#main-content)

[![Onyx-Logo-White](https://harrisonyx.com/hubfs/Onyx-Logo-White.svg "Onyx-Logo-White")](https://harrisonyx.com/?hsLang=en)

[![Onyx-Logo-FullColor](https://harrisonyx.com/hubfs/Onyx-Logo-FullColor.svg "Onyx-Logo-FullColor")](https://harrisonyx.com/?hsLang=en)

- [Home](https://harrisonyx.com)
- [Our Process](https://harrisonyx.com/our-process)
- [Portfolio](https://harrisonyx.com/portfolio-industry)
- About 
    - [About Us](https://harrisonyx.com/about-us)
    - [Our Story](https://harrisonyx.com/our-story)
    - [Our Values](https://harrisonyx.com/our-values-guide-us)
    - [Global Locations](https://harrisonyx.com/global-locations)
- People 
    - [Testimonials](https://harrisonyx.com/testimonials)
    - [Executive Leadership](https://harrisonyx.com/executive-leadership)
    - [Corporate Development](https://harrisonyx.com/corporate-development)
    - [Business Leadership](https://harrisonyx.com/business-leadership)
- Resources 
    - [News & Updates](https://harrisonyx.com/news-and-updates)
    - [Events](https://harrisonyx.com/events)
    - [FAQ](https://harrisonyx.com/faq)
- [Contact](https://harrisonyx.com/contact)

- [English](https://harrisonyx.com/business-leadership)
- [Français](https://harrisonyx.com/fr/business-leadership)

Search

Toggle Menu

- [English](https://harrisonyx.com/business-leadership)
- [Français](https://harrisonyx.com/fr/business-leadership)

Search

Toggle Menu

- [Home](https://harrisonyx.com)
- [Our Process](https://harrisonyx.com/our-process)
- [Portfolio](https://harrisonyx.com/portfolio-industry)
- About
  
  
  
    - [About Us](https://harrisonyx.com/about-us)
    - [Our Story](https://harrisonyx.com/our-story)
    - [Our Values](https://harrisonyx.com/our-values-guide-us)
    - [Global Locations](https://harrisonyx.com/global-locations)
- People
  
  
  
    - [Testimonials](https://harrisonyx.com/testimonials)
    - [Executive Leadership](https://harrisonyx.com/executive-leadership)
    - [Corporate Development](https://harrisonyx.com/corporate-development)
    - [Business Leadership](https://harrisonyx.com/business-leadership)
- Resources
  
  
  
    - [News & Updates](https://harrisonyx.com/news-and-updates)
    - [Events](https://harrisonyx.com/events)
    - [FAQ](https://harrisonyx.com/faq)
- [Contact](https://harrisonyx.com/contact)

**Business Leadership**

# *A leader is one who knows the way, goes the way, and shows the way.*

**–John C. Maxwell**

![parallax image](https://harrisonyx.com/hubfs/Mountain-Faded-Background-01.jpg)

![Leah McCallum](https://harrisonyx.com/hubfs/Dana%20People/LeahMcCallum-NorthStarHeadshot%20-GL.jpg)

Leah McCallum

Group Leader,              EVP NorthStar

![Marc Leblanc](https://harrisonyx.com/hubfs/JP%20People/MarcLebland-320x320.jpeg)

Marc Leblanc

EVP, Hardware Retail, Alice POS & TransActPOS

![ChatGPT Image 9 mai 2025, 08 h 44 min 35 s](https://harrisonyx.com/hubfs/ChatGPT%20Image%209%20mai%202025%2c%2008%20h%2044%20min%2035%20s.png)

Ian Holland

EVP, Retail Solutions

![Patrick Sirois](https://harrisonyx.com/hubfs/JP%20People/PatrickSirois-320x320.jpeg)

Patrick Sirois

EVP, Transportation & Sweda

![Roxane Prince](https://harrisonyx.com/hubfs/RoxannePrince-320x320.jpeg)

Roxane Prince

EVP, Construction & dakis

![Louis Perras](https://harrisonyx.com/hubfs/LouisPerras-320x320.jpeg)

Louis Perras

VP, IT Services

![Marc-André Sinclair](https://harrisonyx.com/hubfs/JP%20People/MAS-320x320.jpeg)

Marc-André Sinclair

EVP, Payment Solutions

![Création sans titre (6)](https://harrisonyx.com/hubfs/Cr%C3%A9ation%20sans%20titre%20(6).png)

Mathieu Déziel

Director, Marketing & Innovation

![Adam Smith](https://harrisonyx.com/hubfs/Dana%20People/AdamSmith-320x320.jpeg)

Adam Smith

EVP, Systems & Software

![Andrew Jordan](https://harrisonyx.com/hubfs/Dana%20People/AndrewJordan-320x320.jpeg)

Andrew Jordan

EVP, inHance

![Barry Dunphy](https://harrisonyx.com/hubfs/Dana%20People/BarryDunphy-320x320.jpeg)

Barry Dunphy

EVP, Cayenta

![Brian Lindamood](https://harrisonyx.com/hubfs/Dana%20People/BrianLindamood-320x320.jpeg)

Brian Lindamood

EVP, Questline

![Denna Sandoval](https://harrisonyx.com/hubfs/Dana%20People/DennaSandoval-320x320-1.jpeg)

Denna Sandoval

EVP, ServiceLink, DataVoice and Partner

![Douglas Lee](https://harrisonyx.com/hubfs/Dana%20People/DouglasLee-320x320.jpeg)

Douglas Lee

EVP, SilverBlaze

![Eric Chabot](https://harrisonyx.com/hubfs/Dana%20People/EricChabot-320x320.jpeg)

Eric Chabot

EVP, SmartWorks

![Julia Wareing](https://harrisonyx.com/hubfs/Dana%20People/JuliaWareing-320x320.jpeg)

Julia Wareing

EVP, Cognera and ivrnet

![Kate Atkinson](https://harrisonyx.com/hubfs/Dana%20People/KateAtkinson-320x320.jpeg)

Kate Atkinson

EVP, Cogsdale

![Mark Wilkinson](https://harrisonyx.com/hubfs/Dana%20People/MarkWilkinson-320x320.jpeg)

Mark Wilkinson

EVP, Advanced

![Nathan Riske](https://harrisonyx.com/hubfs/Dana%20People/NathanRiske-320x320.jpeg)

Nathan Riske

EVP, IAS and PerfectApps

## Want to know if your company is a fit?

Send us a message and we will get back to you within one business day.

[Let's Talk](https://harrisonyx.com/contact?hsLang=en)

Strategy

Strategy

- [Our Process](https://harrisonyx.com/our-process)
- [Our Portfolio](https://harrisonyx.com/portfolio-industry)

About

About

- [About Us](https://harrisonyx.com/about-us)
- [Our Story](https://harrisonyx.com/our-story)
- [Our Values](https://harrisonyx.com/our-values-guide-us)

Resources

Resources

- [News & Updates](https://harrisonyx.com/news-and-updates)
- [Events](https://harrisonyx.com/events)
- [Testimonials](https://harrisonyx.com/testimonials)
- [FAQ](https://harrisonyx.com/faq)

Contact

Contact

- [Contact Us](https://harrisonyx.com/contact)

[![Onyx-Logo-White](https://harrisonyx.com/hubfs/Onyx-Logo-White.svg)](https://harrisonyx.com?hsLang=en)

- [Accessibility Statement](https://harrisonyx.com/accessibility-policy)
- [Privacy Policy](https://harrisonyx.com/privacy-policy)

© 2026 Harris Onyx | A Division of Harris

We acquire Vertical Market software companies looking for the perfect buyer. At Onyx Group, we understand the importance of preserving your legacy and finding a forever home that aligns with your values and strategic goals. Onyx is a CSI/Harris company. Harris is an operating group of Constellation Software Inc. (TSX: CSU), one of North America's most active acquires of software businesses.

Return to top