Waste Management, the $13.3 billion Houstonwaste disposal company, named James Fish Jr. CFOand executive vice president. He succeeds StevenPreston, who is leaving to pursue CEO opportunities. Fish,49, joined Waste Management in 2001 and most recently served assenior vice president of the company's Eastern Group. Afterbeginning his career at KPMG Peat Marwick, he worked infinance and revenue management positions at Westex, TransWorld Airlines and America West Airlines.

Ryerson, the $4.2 billion Chicago metalprocessor and distributor, appointed Edward LehnerCFO and executive vice president. He succeeds WilliamJohnson, 55, who has been Ryerson's interim CFO sinceApril. Lehner, 46, joins the company after serving as CFO at PSCMetals. Earlier, he worked at Deloitte Touche Tohmatsu, Nucor andBirmingham Steel.

Men's Wearhouse, a $2.3 billion retailer ofmen's clothing, named Diana Wilson interim CFO.Wilson, 64, replaces Neill Davis, who is leavingthe Houston-based company to become president of Francesca'sHoldings, a retailer of women's clothing. Wilson previously servedas the company's chief accounting officer, after joining thecompany as corporate controller in 1999.