William Couper is retiring as Bank of America’s Mid-Atlantic president at the end of this month, after a 40-year run at the bank.

Couper, 65, has served as the company’s regional president since 2005. He began working for American Security Bank in 1972 as a trainee in Washington. The bank was eventually purchased by Bank of America, and Couper went on to head the Baltimore and Washington area operations for the Charlotte-based banking giant.

“At the beginning of this year, I was coming up on 40 years with the company and I was about to turn 65 — both of those things were happening in May — so I began thinking about [retirement],” Couper said in an interview. “And the more I thought about it, the better it sounded.”

Couper’s role will be split into three state-level positions. David Millman, who currently oversees the Baltimore market, has been named the president for Maryland, while Gary Gore, the bank’s Richmond market president, will take over duties in Virginia. A D.C. president has yet to be named.

A spokeswoman for Bank of America said there was no connection between Couper’s departure and broader restructuring at the company, and would not confirm a report last week by The Wall Street Journal saying the bank plans to cut 16,000 jobs by the end of the year.

Bill Couper, Mid-Atlantic president of Bank of America

Couper, who served as chairman of the Virginia Banker’s Association until this summer, said he plans to stay on the boards of Goucher College in Baltimore and the Mary & Daniel Loughran Foundation in the District.

“I may wind up taking on another board or two, but other than that, I’ve got a lot of personal things I’d like to do,” he said.”

Couper, who lives in Severna Park, said he has plans to read — mostly historical books about the run-up to World War II and biographies — and hopes to travel to Europe and South America.

“When you’re keeping the pace that we keep here, there’s not a whole lot of time for that stuff,” he said. “I had some things to finish up [before retirement] — and now they’re done, so it’s time.”