ACGIH(r) Worldwide(Cincinnati, OH) has announced the resignation ofRichard A. Strano, and the appointment of A. Anthony Rizzutoas executive director of the association. Strano, who has been Executive Director since 1992, has accepted the position of executive director of the American Industrial Hygiene Association. Rizzuto has been the association's associate executive director since 1999, after serving as its director of administration and finance for six years. He has also served in the capacity as executive director of the American Association for Aerosol Research (AAAR) over the past two years.