Lawrence A. Guske, 43, has been elected...

Lawrence A. Guske, 43, has been elected vice president of finance and chief financial officer of PS Group. Guske previously served as PS Group’s vice president and controller. He also served as vice president of finance for Pacific Southwest Airlines, which was acquired by USAir Group on May 29. PS Group is involved in energy sales and production, aircraft leasing and related air transportation support services.