The Team

Camilo Siqueira

General Manager, Marsh Brothers Aviation

Camilo Siqueira is the General Manager at Marsh Brothers Aviation, leading strategic growth and operations for the company’s aerospace initiatives. With extensive experience in aerospace program management and operational leadership, Camilo brings a strong blend of technical insight and business acumen to Marsh Brothers Aviation’s mission of advancing innovative aviation solutions.

Before joining Marsh Brothers Aviation, Camilo built his career in global aerospace leaders such as Bombardier and Embraer, where he held leadership roles across program management, operations, and product development. Throughout his career, he has led high-performing, cross-functional teams, driven complex projects from concept to delivery, and consistently focused on operational excellence, collaboration, and results.

Juan Rivera

Manager, Sales & Business Development

Juan has an Aircraft Maintenance and Management diploma from Centennial College and over 6 years of experience in aviation aftermarket, spares and MRO sales. His experience working with a variety of aviation maintenance, repair and overhaul service providers, aircraft operators and Tier1’s such as Safran Landing Systems gives Juan broad experience across the aviation aftermarket industry. In his spare time, Juan is an avid cyclist and enjoys the outdoors putting many miles on his road bike.

Sheri MacDonald

Customer Service Representative

Sheri is an experienced executive assistant and administrator.  She is the primary point of contact for all customer service and support inquiries for both manufacturing and maintenance operations.

John MacDonald

Production Supervisor

As Head of Production, John oversees all manufacturing operations, including work and material planning, raw material management, and the processing of both in‑progress and finished parts. Drawing on his extensive experience in aerospace, defence, and exploration manufacturing, he is committed to optimizing production practices at Marsh Brothers Aviation to enhance service for both existing and prospective customers. John believes that true efficiency stems from doing the right things well — empowering skilled people to produce quality components — and fostering an innovative, collaborative mindset that drives synergy and sustainable growth within the organization.