The American Chemical Society has chosen Dr. Raymond P. Mariella, former associate vice president for research and dean of the graduate school of Loyola University, to be the new executive director of the 115,000 member organization.

Mariella was chairman of the chemistry department at Loyola before becoming dean in 1970. He has written over 60 research papers and several textbooks, including "Chemistry of Life Processes." He was the 1977 members and fellows Lecturer of the Ameican Institute of Chemists. His involvement in the American Chemical Society goes back more than 35 yars, and he has served on its board of directors since 1974.

The president of the College of Notre Dame, Sister Kathleen Feeley, S.S.N.D., has been elected to the boards of Union Trust Co. of Maryland and the bank's holding company, Union Trust Bancorp.

Sister Kathleen has been President of Notre Dame since 1971 and sits on the board of directors of the Baltimore Chamber of Commerce, the National Conference of Christmas and Jews, the Maryland Academy of Sciences, and the Better Business Bureau. In 1975 she was named Woman of the year by the Jewish National Fund Women's Auxiliary and Woman of the year in 1976 by the Maryland Colonial Society.

Union Trust also announced the election of Armand H. Levin to senior vice president of the bank's trust division and George B. Morris to senior vice president of its commercial banking division.

The board of directors of the Federal Reserve Bank of Richmond last week appointed Dr. Pearl C. Brackett to the board of directors of the bank's Baltimore branch. Brackett replaces Dr. Steven Muller, president of the Johns Hopkins University and Hospital, who will join the board in Richmond.

Brackett currently serves as assistant/deputy manager of the Baltimore Chapter of the American Red Cross. She has been active in public education and was assistant superintendent for Baltimore City public schools until her retirement in July, 1976.

In a recent reshuffling at the executive level at American Security Bank, the senior vice president in charge of international banking divisions, Gene L. Bennett, and William H. Ryland, senior vice president in charge of the corporate division, have exchanged positions.

Bennett worked at Citibank for 17 years before coming to American Security. Ryland served as vice president in charge of the corporate banking department of Union Trust Co. of Baltimore befoe joining American Security in 1973.

International Bank has elected Jerauld L. Olmsted to its board of directors. Olmsted has held the post of vice president-finance of International Bank since 1975 and currently serves on the boards of several IB affiliated companies, including Financial Security Group, Inc., and Avis Industrial Corp.

John W. Fisher, vice president of the washington Consulting office of Towers, Perrin, Forster & Crosby, management consultants, has been elected to the board of directors of the firm. Fisher came to TPF&-C in 1961 and worked in New York, Philadelphia and Atlanta before coming to the Washington office as manager in 1971.