NEW YORK—The board of trustees of the Guggenheim Foundation has elected Carl Gustaf Ehrnrooth, of Helsinki, Finland, to the board. Ehrnrooth is a private investor with Corbis Investments S.A.; a controlling shareholder and chairman of the board of Ekoport Ltd., a waste management company; a member of the board of Confido Capital; and a former member of the board of directors of Amanda Capital Private Equity Fund and Mandatum Bank. He serves as a partner of Galerie Anhava and is a founding member and vice chairman of the board of trustees of the Kiasma Museum of Contemporary Art Foundation. Ehrnrooth has been collecting Finnish and Scandinavian 20th century art for over 20 years.

SALEM, Mass.—Tina Ambani has been elected to the board of trustees of the Peabody Essex Musem. Ambani is the founder of the Harmony Art Foundation, an institution that supports emerging and established artists in India and stages a yearly contemporary art show in the country. Ambani has been on the board of the National Institute of Design, Ahmedabad, and the National Gallery of Modern Art, Mumbai. She also served on the reconstituted General Assembly of the India Council for Cultural Relations.

PITTSBURGH—The Andy Warhol Museum has appointed Eric C. Shiner the Milton Fine curator of art. Shiner has previously served as adjunct professor of east Asian contemporary art at Cooper Union, Stony Brook University, and Pace University. He guest curated a number of exhibitions while in New York, including "Making a Home: Japanese Artists in New York" at Japan Society. He was also assistant curator for the first Yokohama Triennale in Japan in 2001 and worked as a curatorial assistant intern at the Warhol. Shiner begins work at the museum on October 1.

PITTSBURGH—The Carnegie Museum of Art has appointed Louise Lippincott and Maureen Rolla acting co-directors of the institution. Lippincott is currently the museum's chief curator and curator of fine arts; Rolla is the deputy director. The pair will fill the position left by Richard Armstrong, who had announced his retirement from the museum in June and was appointed the next director of the Guggenheim Foundation this week. Although Armstrong begins at the Guggenheim on November 4, he will be available at the Carnegie on a part-time basis through December 4. Lippincott and Rolla, who have a combined 23 years of experience at the Carnegie, will continue in their roles in addition to assuming management of the museum.

PASADENA, Calif.—Richard Koshalek stepped down on Wednesday from his post as president of the Art Center College of Design, the Pasadena Star-News reports. It was announced in June that the college's trustees had decided not to renew his contract, which expired at the end of 2009, but Koshalek requested to leave early. Despite several accomplishments — he increased the school's scholarship endowment from $16 million to $43 million, opened the South Campus in downtown Pasadena, and launched the Art Center design conferences — his nine-year tenure was marked by controversy, with students and alumni protesting that he neglected the quality of the school's education to focus on raising money.

CHICAGO—Matthew Witkovsky will be the new chair of the department of photography at the Art Institute of Chicago, beginning January 19, 2009. Witkovsky has worked at the National Gallery of Art in Washington, D.C., since 2003, as first an assistant and then associate curator in the department of photographs. Prior to that, he was a research associate in the National Gallery's department of modern and contemporary art. At the Art Institute, he will oversee collection management and department operations, and curate exhibitions.

LINCOLN, Mass.—Rachel Rosenfield Lafo, director of curatorial affairs and curator of the main exhibition at the DeCordova Museum and Sculpture Park, has announced her resignation, the Boston's Globe's "Globe West Updates" blog reports. Citing creative differences with the new director, Lafo is leaving after 25 years at the museum. She started work at DeCordova in 1984 as senior curator and was promoted to director of curatorial affairs in 2001. She plans to pursue "independent curatorial and writing projects"; her last day is November 1.