Edo de Waart, who has been chief conductor at the opera since last year, cited family and health reasons.

“My decision to leave, although difficult, was made because I wish to spend more time with my family, and summers afford that opportunity,” de Waart said in a statement released by the opera Friday.

De Waart, 67, lives in Middleton, Wis., with his wife and two young children.

“I have also found the Santa Fe altitude a more difficult adjustment, and that too was a factor,” he said.

I found it here.