Brown & Brown Inc. has begun a search for a new chief financial officer.<br /><br />Cory Walker, who’s been CFO for 17 of the past 22 years, plans to retire from the insurance firm in March, a statement said.<br /><br />Walker, who also is senior vice president and treasurer, joined Brown & Brown (NYSE: BRO) in 1992, when the firm had $33 million in revenue. It posted $1.2 billion in revenue in 2012.<br /><br />Walker was among the most highly paid executive officers at Brown in 2012, with total compensation of $674,496, the company’s proxy filing said.<br /><br />Brown & Brown, headquartered in Tampa and in Daytona Beach, markets and sells insurance products and services nationwide.