Marketta Seppälä has acted as the founding director of the Pori Art Museum, Finland in 1979-1998. Since 1998 she has been Director of FRAME Finnish Fund for Art Exchange (funded by the Finnish Ministry of Culture) and the founding editorial director of Framework: The Finnish Art Review, published by FRAME. In 2001 and 2007 she has been Commissioner of the Nordic Pavilion at the 49th and 52ndVenice Biennials.
Marketta Seppälä participated in the first edition of Check in Budapest - ACAX visitor program. She hold a public lecture in the frame of Fresh AIR panel discussion 27th October 2008 in Ernst Museum.
Among her International co-curatorial and curatorial projects are Arctic Hysteria: New Art from Finland together with P.S.1 Director Alanna Heiss at P.S.1, New York; Adel Abidin: Abidin Travels at White Box, New York (2008), Heavy Snowflakes, Museo de Arte de Lima, Lima; Exteresa Arte Actual, Mexico City; Capacete Entretenimentos, Rio de Janeiro; Museo de Arte Moderno de Buenos Aires (2005-2004); Empathy: Beyond the Horizon, Pori Art Museum, Art Space, Sydney (2003-2001); Animal.Anima.Animus., Pori Art Museum, Museum voor Moderne Kunst Arnhem, The Netherlands; P.S.1 Contemporary Art Center, New York, Winnipeg Art Gallery (2000-1998); Strangers in the Arctic: Ultima Thule and Modernity, Rundetårn Copenhagen; Art Gallery of Ontario, Toronto; Museum of Contemporay Art, Helsinki (1998-1996); Diaspora in Context. Connections in a Fragmented World, Pori Art Museum; Museum of Contemporary Art, Sydney; The Gowett-Brewster Gallery, New Plymouth, New Zealand; Waikato Museum of Art and History, New Zealand (1996-1995).