Our Leadership Team

Stephan Jost is the Michael and Sonja Koerner Director, and CEO of the Art Gallery of Ontario.

Following his appointment in 2016, Stephan demonstrated immediate leadership by thoughtfully exploring the AGO’s visitorship, collection and key strengths in order to strategically focus on three mission-aligned areas: art, access and learning. He has overseen the revitalization of several key areas in the Gallery, helped clarify new audience target segments; and launched Look:Forward, a major reinstallation of the AGO’s remarkable Collection.

Before joining the AGO, Stephan was Director of the Honolulu Museum of Art (HoMA) for five years, where he worked to make the Museum a welcoming and accessible place for a more diverse audience. Under his leadership, HoMA’s finances were dramatically improved; the education program expanded in reach and capacity; its membership increased by 64 per cent; and the visitor experience significantly energized.

Prior to that, he was the Director of the Shelburne Museum in Vermont, the Director of the Mills College Art Museum in Oakland, California, and held several curatorial positions at the Allen Memorial Art Museum of Oberlin College in Ohio.

Born in Michigan, Stephan holds a BA in art history from Hampshire College in Massachusetts and an MA in art history, specializing in the history of photography, from the University of Texas at Austin.

Jessica Bright was appointed Chief, Exhibitions, Collections & Conservation in 2021. She is responsible for leading all exhibition activity and associated project management; conservation; collection installation, care and management; registration, scheduling and logistical management of pan gallery installations and art movement. Jessica was previously the AGO’s Senior Director, Strategic Initiatives from 2020-2021; Director, Exhibitions from 2013-2019 and before that held positions in the AGO’s Curatorial, Education and Exhibitions departments. She worked on the Transformation AGO Project from 2006-2008 and was previously the Curator/Registrar at the Maclaren Art Centre.

Jessica holds a Master of Literature degree in Art History from the University of St. Andrews, Scotland and a BA in Art History from Queen’s University.

Linda Coslovi joined the AGO in 2023 in the inaugural role of Chief Finance & Operating Officer, bringing together two key facets in supporting the mission of the Gallery.

Highly regarded for transformational leadership and excellence in finance, operations, and strategic planning, Linda's mandate involves ensuring the Gallery's financial and operational effectiveness and sustainability while fostering a culture rooted in data-driven decision-making.

Before her tenure at the AGO, Linda held prominent positions in the private and public sectors. Her experience includes serving as the Associate VP of Finance and Planning at McMaster University and holding CFO roles in the electrification and aerospace sectors.

Linda is a Chartered Professional Accountant and holds an honours Bachelor of Commerce degree from McMaster University.

Robert Durocher joined the AGO in 2024 as the Richard & Elizabeth Currie Chief, Education & Programming. In this role, he leads the Education & Programming Division. Robert believes all people should have access to arts education, play, and programming that reflects and affirms diverse learners and communities, including intergenerational programs.

Before joining the AGO in this role, Robert was a Centrally Assigned Vice-Principal, Indigenous Education at the Urban Indigenous Education Centre at the Toronto District School Board. He was also an Instructional Leader, supporting teacher learning for the Grade 9 art course Expressions of First Nations, Métis and Inuit Cultures. Before this, he was a K-12 Learning Coach, engaging educators to integrate equity and anti-oppression strategies into their teaching practices. Robert was seconded faculty at York University’s Faculty of Education where he led courses in Visual Arts Education, Arts Integration, and Inclusive Education.

Robert is also an Associate at the Ontario College of Art & Design University (OCAD U), where he specializes in printmaking. He also holds a Bachelor of Fine Art degree from York University, a Bachelor of Education, and a Master of Arts from the Ontario Institute for Studies in Education of the University of Toronto.

Ros Lawler joined the AGO in 2024 as the Chief Brand & Business Officer. In this inaugural role, Ros leads a multifaceted team to ensure that the AGO’s brand and visitor experience are consistent throughout the Gallery while maximizing revenues across all revenue streams.

Before joining the AGO, Ros was the Chief Operating Officer at the National Portrait Gallery in London, U.K. She played a lead role in delivering a complete transformation of the building, brand and visitor experience to create relevance and engagement for the Gallery for future generations and to secure long term financial sustainability. Prior to this, Ros was the Digital Director at Tate. She devised a new digital strategy, focusing on creating immersive experiences, digital interpretation, wayfinding and e-commerce.

Ros holds a Bachelors degree in English Literature from Goldsmiths University.

Andrea Orr joined the AGO as Director, Campaign in 2019 and became Chief Development Officer in 2026. Andrea leads the Development team, building the AGO’s philanthropy strategy aligned with the Gallery’s long-term vision and setting the groundwork for future campaigns. The team also oversees the AGO Foundation and American Friends of the AGO.

Andrea has dedicated her career to the non-profit and philanthropic sector, having held progressively senior positions in donor relations, major gifts, and campaigns at Children’s Aid, Mount Sinai Hospital and Princess Margaret Cancer Foundations before joining the AGO. She is committed to the Gallery’s mission and sharing the gift of art with our community.

Andrea holds the CFRE designation, a Bachelor of Arts from the University of Ottawa, a Bachelor of Social Work from the University of Manitoba, and a Masters of Philanthropy and Nonprofit Leadership from Carleton University.

Erin Prendergast joined the AGO as Chief of Staff & Corporate Secretary in 2015, and became Chief, Strategic Initiatives in 2019. Erin is responsible for advising and assisting Leadership Team colleagues in the achievement of strategic initiatives, priority setting, corporate governance, and also manages the operation of the Directors' Office.

Erin was previously Director of Development at the Walrus Foundation, best known for publishing The Walrus magazine, from 2013 to 2015. Before joining the Walrus, she worked at the AGO for thirteen years, managing fundraising projects with goals of $1 million and above. She was the manager of the Transformation AGO fundraising campaign, which raised more than $300 million in funds. At the 2008 completion of Transformation AGO, Erin established a donor relations portfolio and helped launch the “Art Opens Minds” campaign in support of art education in 2011. Previous to these roles, Erin worked at Key Porter Books, a Canadian book publisher, and Sotheby's (Canada) Inc., an international fine art auction house.

Erin is a certified fundraising executive and holds a master's degree in publishing.