Our Team Is the Keystone to Our Success
Our Team
Principals

Eric Poxleitner
Eric joined Keystone as a Senior Architect in 2013 and acquired the role of Principal in 2015...
Eric joined Keystone as a Senior Architect in 2013 and acquired the role of Principal in 2015. Throughout his impressive 40-year career, he has built a remarkable portfolio focusing on worship, commercial, institutional, multi-residential, modular, industrial, and First Nations projects across Canada. His expertise spans all phases of project delivery and consistently meets targets despite challenging budget, schedule, and site constraints across projects of varying scales.
Eric is known for his client-focused and collaborative design approach. He tailors designs to meet each client’s unique needs by fostering open communication and actively listening to their desires and concerns, establishing a foundation for a rewarding working relationship.
As a LEED® accredited Architect registered in Alberta, British Columbia, and Saskatchewan, Eric prioritizes design quality and sustainability with emphasis on integrity. His strong leadership, rigorous oversight, and collaborative design process foster a cohesive team environment and trusted client relationships, driving projects from concept to completion. He has actively participated in municipal advisory committees within the Fraser Valley and served as a board member for the Vancouver Chapter of Construction Specifications Canada.

Lukas Wykpis
Lukas plays a pivotal role in production oversight, resource allocation, and client collaboration across every Keystone project...
Lukas plays a pivotal role in steering production oversight, resource allocation, client collaboration, and authority coordination across every Keystone project. His exceptional time management, strategic coordination, and sound design rationale consistently deliver successful outcomes that align with client expectations, budgets, and timelines.
With comprehensive knowledge of each team member’s strengths and specialized expertise, Lukas strategically assembles project teams to ensure optimal alignment between personnel capabilities and project demands. His understanding of architectural principles, building codes, and municipal bylaws allows him to conduct swift, insightful site assessments that establish a solid foundation for project planning. Well-versed across diverse project typologies, he guides developments through all phases, from initial concept to final completion.
Lukas obtained his Diploma in Architecture & Building Technology from BCIT in 2004 and joined Keystone later that year. Through dedication and proven leadership, he advanced through various roles, including Associate, before becoming Principal in 2019.

Steven R. Bartok
Steven serves as Architect of Record on multiple projects, providing leadership from early design through to construction...
Steven serves as Architect of Record on numerous projects, providing leadership from early design through drawing production and the ongoing development of internal systems. With decades of industry experience, he brings a valuable design perspective that supports Keystone’s vision of confident design and collaborative solutions.
Originally from Calgary and now a long-time British Columbia resident, Steven offers a deep understanding of the regulatory environments, design, and community needs unique to both provinces. He is well-versed in provincial building codes, municipal bylaws, and permitting processes, enabling him to efficiently guide projects through all stages of development. His familiarity with regional climate considerations, from freeze-thaw cycles and snow loads to coastal conditions and seismic requirements, adds further depth to his expertise.
Known for his solutions-focused approach, Steven is a trusted leader and mentor within the Keystone team. He is a registered Architect in Alberta and British Columbia and was promoted to Principal in 2019 following his Associate role.

Keesa Hutchinson
Keesa is a second-generation architect with over 25 years of experience leading community-focused projects across Alberta and Western Canada...
Keesa is a second-generation architect with over 25 years of experience leading diverse, community-focused projects across Alberta and Western Canada. Her work reflects a deep commitment to creating meaningful, people-centred spaces that foster community, connection, and inclusivity—from cultural and recreation facilities to housing for individuals with special needs, and commercial developments.
Keesa has extensive experience with complex, multi-stakeholder projects and an innate ability to be sensitive to the needs of individuals and communities. Through effective communication and facilitation skills, she guides clients through challenging discussions, diplomatically translating technical design concepts into solutions that address building challenges and deliver thoughtful, consensus-driven outcomes. Most recently, her focus has included mixed-use, mid-rise residential developments and community projects.
As a Principal registered in Alberta, British Columbia, and Saskatchewan, Keesa is recognized for her strategic insight, collaborative leadership style, and ability to bring clarity and balance to multifaceted design and stakeholder processes. She plays a key role in maintaining client relationships, mentoring emerging professionals, and shaping Keystone’s ongoing growth and strategic priorities.

Andressa Linhares
Andressa is a registered Architect and Interior Designer with a multidisciplinary background spanning architecture, interior design, urban design, and urban planning...
Andressa is a registered Architect and Interior Designer with a multidisciplinary background spanning architecture, interior design, urban design, and urban planning. Her integrated perspective unites creative vision with technical expertise, making her a powerful asset to both the team and clients.
Since joining Keystone in 2016, Andressa has played a key role in shaping the firm’s design direction and ensuring excellence across all projects. She oversees the design process from concept through completion, guiding teams to maintain high standards of quality, cohesion, and attention to detail while balancing creativity with budget considerations.
In her leadership of the Interior Design department, Andressa champions a holistic approach that integrates architecture and interiors to create cohesive, meaningful environments that are both purposeful and inspiring. Known for her collaborative leadership and refined design sensibility, Andressa brings clarity and intention to projects. She is guided by the belief that great design can shape how people live, connect, and thrive.
