Janne Sirén, the director of the Buffalo AKG Art Museum in Upstate New York, will depart his post in October after more than a decade, opening up yet another top role at a US art institution.

Sirén oversaw the museum as it expanded dramatically in 2023, adding another building to its campus that doubled the AKG’s square footage. The expansion, which cost $230 million, was well-received, both within the art press and by locals, who flocked to the museum. The AKG reported that, in the year following the reopening, the museum received 340,000 visitors, a record for the institution.