Leadership Team

Mark LeBlanc

President

A leader with a vision…

Mark’s genuine and infectious enthusiasm for ‘all things Tiree’ started in 2014, the day he first stepped through the door. His penchant for seeking out opportunities to grow Tiree’s business and the team is founded on over 15 years of experience in business development and strategic planning. His ability to build lasting relationships starts with his sincere passion for collaboration, teamwork, our built environment, and quality service, and is strengthened by his authenticity and engaging sense of humour. Mark is a bold thinker and has been instrumental in Tiree’s phenomenal growth and expansion. And he has a very clear vision and plans for that growth and expansion to continue!

Paul Knowlton

Senior Vice President, Real Property Advisory Services

A trusted leader with a commitment to quality…

When Paul came to Tiree in 2013, he brought with him a vision to build a renowned team of real property leaders. He realized that vision, and today leads a talented team in a wide range of service offerings that cover the full spectrum of real property advisory services. Whether it’s preparing a Treasury Board Submission for a multi-billion dollar development, or directing a team on assembling a portfolio strategy for the Federal Government, Paul is there, bringing over 30 years of experience, unwavering attention to detail, sound analysis and clear recommendations. His focus on quality product and quality service is evidenced in everything his team does. As his team continues to grow, Paul happily shares his wealth of knowledge, and passionately mentors his team on the value of quality work!

Joanne Pagani

Vice President, Project Management

Never-ending and continuous achievement…

Joanne joined Tiree in 2012, bringing with her a Professional Engineering designation, a Ph.D, over 15 years of experience leading the delivery of complex construction and engineering projects, and a stellar industry reputation! Joanne’s calm demeanour, dedication to solving problems and immeasurable passion for leading Tiree’s large team of best-in-class project managers forms the backbone of her commitment to our people, our clients, and our iconic projects. As Tiree’s growth continues, Joanne’s focus will be on expanding our Project Management business line, creating more opportunities for career advancement, training, tools and technology.

Mathieu Leduc

Vice President, Security and Smart Technologies

A guiding force, fusing expertise with exceptional teamwork

Mathieu stands at the helm of Tiree’s Security and Smart Technologies division with a remarkable track record of over 20 years in security management, having shaped the trajectory of complex projects. Under his leadership, Tiree delivers strategic consulting services that optimize operational efficiency, drive cost reductions and integrate sustainable practices in infrastructure design.

His extensive industry acumen and strategic insights are vital as Tiree strides forward fostering innovation. Mathieu is known among his peers for his grounded perspective, sharp humour and strong propensity for teamwork – qualities that resonate through the culture of our company. His distinctive contribution to Tiree goes beyond his professional milestones; it’s his personal investment in every project and team member that truly embodies the essence of Tiree.

Melissa Moffitt

Vice President, Business Development

A forward-thinking leader with a genuine passion for cultivating connection

For over two decades, Melissa’s drive and passion have propelled her successful career. She first joined Tiree in 2011, playing a critical role in our organization’s growth and success for over 10 years. After a brief tenure with a leading construction management firm, Melissa returned to Tiree in 2023 at the helm of business development. Melissa’s industry knowledge is extensive, and her ability to bring innovative ideas and anticipate market trends is unmatched. However, what truly sets her apart is her genuine passion for creating meaningful connections and building lasting relationships that positively impact our clients and our organization.

Lisa Anderson

Vice President, Marketing & Communications

A strategic leader, focused on amplifying Tiree’s voice and growth

Lisa’s journey with Tiree began in 2006 and has since spanned project delivery, business development, marketing, and communications. Across each role, she has brought a rare blend of operational depth and strategic insight—helping to strengthen client relationships, pursue new opportunities, and evolve Tiree’s brand.

Now as Vice President, Marketing & Communications, Lisa leads our integrated marketing, communications, and proposals teams, aligning efforts to position Tiree for continued growth across new and existing markets.

Known for her ability to craft compelling narratives, drive strategic initiatives, and challenge conventional thinking, Lisa plays a key role in amplifying Tiree’s market presence and supporting our vision for leadership and impact. Her collaborative approach and deep understanding of our clients and business remain central to Tiree’s future success.