NU Online News Service, Sept. 27, 1:23 p.m. – Magellan Health Services Inc., Columbia Md., says it has appointed Daniel Messina, president of the company, to the additional position of chief executive officer.

Messina replaces Henry Harbin, who will remain chairman of the board of directors. Messina has served on the board of Magellan since 1998. He became president of Magellan earlier this year, after having joined the company in 2000 as executive vice president and chief operating officer. Prior to joining Magellan, he was chief financial officer and head of business strategy for Aetna U.S. Healthcare, Hartford.