3rdLine.Studio is a mid-sized architectural practice based in Sudbury, Ontario. Established in 1984 by Dennis Castellan and Peter Dewit, the office has been in practice for over 40 years. Offering a full range of architectural services our built portfolio includes residential, commercial, institutional and industrial work across northern Ontario and beyond. In its 40 years of practice 3rdLine.Studio has built its reputation upon leading, designing and delivering creative architectural solutions that respect both function and finance.
What’s in a name
In 2016, Castellan James and Partners Architects became 3rdLine.Studio. This change in name represents a continued evolution of the practice. We continue to believe in the power and strength of a studio process and open collective effort. We continue to build upon lessons learned and are committed to the delivering successful projects.
The name itself, 3rd Line Studio, is grounded in the elements we have defined as essential to the practice of architecture.
PEOPLE | EARTH | BUILT FORM
B.E.S., B.Arch., OAA, MRAIC
M.Arch., B.Arch.Sci., OAA, OAQ
Professional Quantity Surveyor
PQS, GSC, M.A.A.T.O.
Professional Quantity Surveyor
PQS, CET, GSC
M.Arch., B.Arch.Sci., OAA
Advanced DIP. Architectural Technology
Project Manager / Contract Administrator
B.A.S, M.Arch, OAA
Document Control Officer
Architect | B.E.S., B.Arch., OAA, MRAIC
Tim has practiced architecture with 3rdLine.Studio in Northern Ontario for over 30 years. His work includes highly sustainable environments; commercial developments, offices, schools, laboratories, industrial and residential work. His focus is ensuring design solutions create long life projects. Tim’s work with Canada Revenue Agency and with Rainbow District School Board have assisted these organizations to manage significant change with respect to their physical infrastructure. Tim has contributed design leadership to community projects including Rotary Park, Laurentian University School of Architecture and Health Sciences North.
Architect | B.Arch., OAA
Michael Ladyk joined the Firm in 1995 as an intern architect and has been a Partner since 2005. With 30 years of experience in the practice of architecture and construction, Mike has liaised with a diverse group of clients, consultants and trades to complete projects across commercial, industrial, institutional, First Nations and residential sectors.
Mike is a skilled technical designer with a clear understanding of function, form and material issues. He is well known for listening and responding to client issues and excels in team environments, managing multiple tasks in a professional and practical manner. He takes pride in assuring that the needs of clients are met by acting as prime contact through all phases of the project.
Currently a member of the Greater Sudbury Development Corporation (GSDC), Board Member of the United Way Capital Campaign (2017-2019), President of the Wavy Lake Campers Association, President of Corsi Hill Playgrounds and past Chair for the Sudbury Action Center for Youth (SACY) and former coach for the Sudbury Minor Hockey Association , Mike is notable for his contribution to his community. Grounded by his roots, he understands the importance of integrity and building a strong community.
Architect | M.Arch., B.Arch.Sci., OAA, OAQ
Angèle first joined 3rdLine.Studio in 2010, as an intern architect and 2018 as a Partner in the firm.
Angèle’s wide range of experiences both culturally and professionally play a significant role in her approach to design at 3rdline Studio. Angèle received her undergraduate degree at Ryerson University. In the following years Angèle lived and worked in Southern Ontario specializing in the high – end residential sector later moving abroad to immerse herself in European culture and design. She later completed a Master’s of Architecture at Lawrence Technological University in Southfield, Michigan.
With 15 years of experience Angèle is well versed in design development, construction documentation, interior design, budgets, contract administration and project management across the institutional, commercial, residential and industrial sectors. Now an architect and partner at 3rdLine.Studio, Angèle is seeking to build long term client relationships.
She is currently a member with the Business and Professional Women’s Club of Greater Sudbury (BPW) and is a part time professor at Collège Boréal.
Professional Quantity Surveyor | PQS, GSC, M.A.A.T.O.
Vanessa is a partner of the firm and is a Professional Quantity Surveyor with 15 years of experience providing construction management and architectural services at 3RDLINE STUDIO and POLESTAR CM. Vanessa excels at putting buildings together and managing the contract documents and the trade contractors that construct the work. She leads the development of costing analysis and value engineering throughout project development. Her strong leadership and project management skills are supported by a firm foundation of technical building knowledge. She has led the development of contract documents for buildings valued up to $30M. She is a member of the Canadian Institute of Quantity Surveyors (CIQS), of the Association of Architectural Technologist of Ontario (AATO) and has Gold Seal Certification (GSC) from the Canadian Construction Association (CCA).
Vanessa was born and raised in Sudbury and has been exposed to the construction industry since her childhood. She is a proud French Canadian with aspirations of contributing to French communities in the North.
Vanessa’s focus has been on providing project management leadership. She is working with institutional and private sector corporate clients on a wide variety of project types and scales. She enjoys making meaningful spaces happen for her clients on budget and on time.
Professional Quantity Surveyor | PQS, CET, GSC
Sergio is a managing Principle of 3rdLine.Studio since 2000. In his role he acts as the Chief Financial Officer, Professional Quantity Surveyor, Certified Engineering Technologist, Gold Seal Certified Construction Project Manager and Senior Contract Administrator.
Sergio is a vital member of 3rdLine.Studio. He brings added value to our team with his vast construction experience and knowledge. His work primarily focusses on project cost management and value engineering during design and construction.
Project Architect | M.Arch., B.Arch.Sci., OAA
Andrea is a licenced architect and has been with the firm full time since 2015.
Born and raised in Sudbury, Ontario, Andrea’s research investigated architectural opportunities for repurposing post extraction landscapes; it is this desire to contribute to the architectural landscape of the North that brought her back to the region.
During her time with 3rdLine.Studio, Andrea has had the opportunity to design, lead, manage and coordinate a variety of projects across Northern Ontario.
Andrea completed her studies at Ryerson University and is a licensed architect with the OAA.
Technologist | Advanced DIP. Architectural Technology
Melissa joined our 3rdLine.Studio team in 2015. She graduated from Algonquin College’s Ontario College Advanced Diploma for Architectural Technology, and started her career in the architectural field in Ottawa before migrating back home to Sudbury. Melissa is currently in pursuit of becoming a member of the Association of Architectural Technologists (AATO) and is a highly-engaged individual.
Project Manager / Contract Administrator |
Ian Boyne was born in Coatbridge, Scotland and immigrated to Canada in 1964 where he grew up in the small northern Ontario town of Espanola. Ian has worked as a Project Manager for over 30 years on a wide variety of projects ranging from $50,000 to a $200+ million hospital expansion. His job included working with clients, collaborating and listening to their requirements, designing and implementing a plan in order to create the final project. Ian also worked for the provincial government for five years, working with different ministries to implement their needs for various projects.
Architect | B.A.S, M.Arch, OAA
April is an architect at 3rdLine.Studio where she has been a part of the team since 2018. During her time at the studio, she has worked on a wide range of projects, including residential homes, commercial buildings, industrial spaces, health care facilities, and Long-Term Care facilities. Her expertise extends across all project phases including schematic design, design development, construction documentation, coordination, and project management.
Born and raised in Sudbury, Ontario and with a strong connection to Manitoulin Island, April has always been passionate about working in the north. She completed her Bachelor of Architecture in 2018 and her Master of Architecture in 2020 at the McEwen School of Architecture in Sudbury, where she was immersed in a tricultural environment specialized in designing for the north. April’s diverse background, education, creative and critical thinking are an asset, informing the execution of creative ideas with practical construction techniques and methods.
Intern Architect | B.A.S, M.Arch
Kristina joined 3rdLine.Studio as an intern architect in 2021, but first worked for the firm back in 2015, continuing to work on and off with our team throughout her academic studies. She completed her studies at the McEwen School of Architecture, graduating with her Master of Architecture in 2021.
Kristina was born and raised in Sudbury, and always knew she wanted to stay in Northern Ontario. She aspires to showcase the beauty of the northern landscape and culture through her career.
Her work includes everything from working with clients in the design phase through to contract administration work during the construction of the project. Kristina is currently working towards getting a well rounded experience in the architectural world as soon to be licensed architect.
Intern Architect | CACB Certified
Ilenia is an Italian national that joined the 3rdLine team in 2021. She holds a Master’s degree in Architecture from Politecnico di Milano. During her university career, Ilenia participated in a one-year exchange program with the Queensland University of Technology in Brisbane, Australia. Her thesis research focused on retrofitting an existing building to achieve a lower energy consumption.
After graduating, she moved to Canada and found home in Sudbury, Ontario. Ilenia is currently accredited by the Canadian Architectural Certification Board (CACB) and registered as an Intern Architect with the Ontario Association of Architects (OAA). At 3rdLine.Studio Ilenia has had the opportunity to work on a variety of project types and sizes, from initial design through to construction she enjoys working through each step of the process.
Intern Architect | B.A.S, M.Arch
Cassidy joined the 3rdLine.Studio team in 2021 as an intern architect shortly after graduating from the McEwen School of Architecture where she obtained her Bachelor’s and Master’s of Architecture. During her final year of studies, she defended her thesis which focused on the relationship between the built and natural environment of communities on Manitoulin Island.
Cassidy was born and raised in Sudbury, Ontario and always knew she wanted to work in Northern Ontario. She enjoys being outdoors and being active, participating in many activities including horse back riding, kayaking and painting.
Working towards becoming a licensed architect Cassidy is exposed to many stages of every project. She enjoys and has gained great experience working on proposals and RFP responses. Additionally, she enjoys collaborating with clients and consultants from the initial design phase, through working drawings and to project completion.
Intern Architect | B.A.S, M.Arch
Maria graduated from the Master’s Program at the McEwen School of Architecture in April 2022, where she successfully defended her thesis on gender, poverty, and trauma-informed design solutions in Northern Ontario. Her academic focus on designing for Northern Ontario provided her with valuable experience in addressing real community issues and hands-on building experience. Born and raised in Eastern Europe, Maria’s multicultural background allows her to have a unique understanding and open-minded approach to diversity and socially sustainable architecture.
Following her graduation, Maria joined the 3rdline.Studio team
Intern Architect | B.A.S., M.Arch
Brook-Lynn joined 3rdLine.Studio in 2023 as an intern architect. With her love for making she has been able to implement another perspective to her designs. Brook-Lynn has had to opportunity to work on a variety of different projects across all phases and is eager to continue her journey as she works towards getting her license.
Intern Architect | B.A.S., M.Arch
Alex is an intern architect at 3rdLine.Studio where he has been a part of the team since October of last year. He has had the opportunity to be involved on a wide range of projects across all project phases. He is passionate about designing in the North and continuing to learn about the community as he works towards getting his license.
Co-Op Student | B.A.S
Sam joined the 3rdLine.Studio team back in the summer of 2023 and is back as a Co-Op student hire. Sam has had the opportunity to work on a variety of different project types and sizes at all different stages, but enjoys working on technical drawings.
Sam is currently studying at the McEwen School of Architecture and is in the process of completing his Masters Degree. He is eager to complete his schooling and continue to work towards obtaining his architects license.
Co-Op Student | B.A.S.
Josh is a Co-Op Student hire who joined our 3rdLine.Studio Inc. team this past January. He is currently studying at the McEwen School of Architecture and is in the process of finishing his masters degree. Although Josh has only been with us a short period of time he has had the opportunity to work on a wide range of projects with a focus on design and working drawings. Josh enjoys working in upper Northern communities, and is eager to continue working up North when he graduates.
Co-Op Student | B.A.S.
Scotia joined our 3rdLine.Studio team this January as a Co-Op student placement. She is currently finishing her master’s in architecture at the Laurentian University McEwen School of Architecture. Although she has only been with us a short couple months, she has had the opportunity to take part in a variety of projects in many different stages, such as proposals, design development, working drawings, all while tackling our social media.
Born and raised in Sudbury she is eager to finish her schooling and work towards her architects license where she can continue working in and beautifying Northern communities with architecture.
Controller | PCP
Sheri joined our 3rdLine.Studio team in 2010. She is responsible for all in-house accounting operations, pension/benefits administration, financial/government reporting, and employment standards compliance. She completed the Business Administration and Human Resources Management program locally at Cambrian College and holds a Payroll Compliance Practitioner certificate through the Canadian Payroll Association (CPA). Sheri is a driven professional that is currently working towards her Certified Payroll Manager certification through the CPA.
Sheri is skilled and experienced in accounting and human resources best practices, up to date with current HR trends, and compliant with payroll and employment standards.
She is also an active member of the Human Resources Professional Association, the Canadian Payroll Association and Young Professionals Association of Greater Sudbury.
Document Control Officer |
Vivianne joined our 3rdLine.Studio team in 2015. She has 10 years’ experience working as an administrative expert and enjoys helping others whenever possible. In her role, she is the first point of contact to 3rdLine.Studio and supports our technical staff and Partners. Vivianne’s dynamic ability to take on new responsibilities allows our staff and clients to focus on other priorities.
Administrative Assistant |
Born and raised in the Greater Sudbury area, Hailey joined the 3rdLine team in 2023. With 9 years of combined administrative and customer service experience, Hailey is well-versed in the local context, making her a well-rounded asset to the 3rdLine office. Within her role, she serves as the first point of contact for 3rdLine.Studio, representing our many friendly faces that clients, consultants, and contractors encounter when visiting our office.