American National Bankshares, parent company of American National Bank and Trust Company, appointed R. Helm Dobbins, executive vice president of the company and chief credit officer of the bank, will retire on March 31, 2017.

Dobbins has held these roles since June 2003, during which time he helped the bank grow its loan portfolio from approximately $400 million to over $1 billion.

Edward C. Martin, executive vice president and senior credit officer of the bank, will assume the role of chief credit officer of the bank following Dobbins’s retirement.

Prior to joining the company in September 2016, Martin served as a regional credit officer for Bank of North Carolina and as the chief credit officer of Valley Bank until its merger with Bank of North Carolina.

The company also promoted Ramsey K. Hamadi, executive vice president of the company and the bank, to chief administrative officer of the bank, effective on January 1, 2017. Hamadi was previously the senior executive vice president and chief financial officer of NewBridge Bancorp and NewBridge Bank.