NMI Holdings Inc. has appointed Claudia Merkle CEO of the company, effective Jan. 1, 2019.

She will succeed Bradley Shuster, who has been named executive chairman of the company, effective the same date. Merkle joined the company in May 2012, and has served in various capacities within the company including president, COO and chief of insurance operations.

Additionally, the company Dec. 28 appointed Pat Mathis COO of the company.

Mathis also joined the company in May 2012 and served as its chief risk officer from May 2012 until May 2018.

Furthermore, NMI Holdings' board increased its size from seven to eight directors, effective Jan. 1, 2019.