The Goldfield Corporation announced that John W. Davis III has been appointed executive vice-president of Power Corporation of America and will be primarily responsible for C and C Power Line Inc. and Robert L. Jones, former president of SEP, has been appointed interim President of PCA and SEP. Goldfield will be conducting a search for a permanent replacement for the positions assumed by Mr. Jones and sep. mr. jones succeeds john w. davis iii, who has been appointed executive vice-president of pca effective june 14, 2016.