Terence P. Delaney adds interim CFO to vice president of investor relations and planning at Sunoco Inc., the $44.7 billion manufacturer and marketer of petroleum and petrochemical products based in Philadelphia. Delaney, 52, replaces Thomas W. Hofmann, 56, who will retire after six years as senior vice president and CFO. A 29-year company veteran, Delaney has held his current position since January 2003. Previously he held various strategic planning, budgeting, external reporting and auditing positions.

Jairaj Chetnani, one of Treasury & Risk's top 40 executives under 40 for 2008, is the new vice president and treasurer at Quanex Building Products Corp., the $2 billion manufacturer of engineered materials and components for the building products market based in Houston, Texas. Chetnani, 37, succeeds John J. Mannion, 42, who resigned to pursue other opportunities. Chetnani joins the company after three years as treasurer at MEMC Electronic Materials, a manufacturer of semiconductor and solar wafers. Previously, Chetnani spent four years as assistant treasurer at transportation services provider YRC Worldwide.

Kevin M. McNamara will retire as executive vice president, CFO and treasurer on May 31, at HealthSpring Inc., the $1.6 billion provider of supplemental Medicare plans based in Franklin, Tenn. McNamara, 52, has held this position since joining the company in April 2005 from HCCA International, a healthcare management and recruitment company where he was CFO since October 2002. From April 2005 to January 2006 McNamara also served as non-executive chairman of ProxyMed, a provider of automated healthcare business and cost containment solutions. HealthSpring will engage a national search firm to recruit candidates for a new CFO.