Specialty insurer Argonaut Group Inc. in San Antonio announced today that Dale H. Pilkington, president of its Colony Group subsidiary, has been appointed to the new position of president of Argonaut Group's excess and surplus lines segment.

Argonaut Group's E&S segment writes commercial property and casualty accounts on a primarily nonadmitted basis through Colony Group and Argonaut Specialty.

The company said both Colony and Argonaut Specialty will report to Mr. Pilkington in his role as president of excess and surplus Lines. Mr. Pilkington will retain his position as president of Colony Group until a successor is named.

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