Christopher Miller has been chosen to lead the finance function at Core-Mark Holding, effective May 1. He will take over for Stacy Loretz-Congdon, who will retire from the firm at year-end. Miller is currently chief accounting officer, a post he has held since 2007.
Terry Lillis will retire from the top finance spot at Principal Financial Group before the end of first-quarter 2017. He joined the company in 1982 and was named finance chief in 2008.
Discovery Communications said that finance chief Andrew Warren plans to leave the company at the end of this year. Discovery will conduct internal and external searches for his replacement.
Grocery retailer Sprouts Farmers Market has chosen Brad Lukow to head finance, effective March 4. He will take over for interim CFO Susannah Livingston, who will stay on as vice president of investor relations and treasury. Lukow formerly held the top finance spot at Canadian drugstore retailer Shoppers Drug Mart.
John Duffey, who has been CFO at Six Flags Entertainment since 2010, has been promoted to president and CEO. He successor is Marshall Barber, who had been vice president of financial planning and analysis.
Hotel owner and franchisor La Quinta Holdings has named Jim Forson to head finance. He replaces Keith Cline, who has been promoted to president and CEO, posts he has held on an interim basis since September. Forson, in turn, has served as interim CFO since November; before that, he was chief accounting officer.
Frances Spark will retire from her posts as CFO and treasurer at CYS Investments, effective May 31, but will stay on at the company through February of next year. Jack DeCicco will join the firm on March 7 and will take over as CFO and treasurer on June 1. DeCicco has headed finance at Annaly Commercial Real Estate Group since 2013, and has been chief accounting officer there since December.
NGL Energy Partners has named Robert Karlovich III to lead the finance function. Previously, he was senior vice president of commercial and business development at Targa Resources Partners, as well as finance chief of its subsidiary Targa Pipeline Partners.
Kevin Cook plans to retire as CFO and treasurer at consultancy Booz Allen Hamilton, effective July 1. He will be replaced by executive vice president Lloyd Howell, Jr., who heads the civil commercial group, at that time.
Jim Waters will lead the finance function at Contech Engineered Solutions. He comes to the firm from Hillman Group, where he began as CFO in 1999 before being promoted to COO in 2011 and then CEO in 2013.