A leadership shift at a federal agency that probes chemical industrial accidents and explosions won’t change how U.S. companies are investigated, according to a top agency official.

Chemical Safety Board Chairperson Vanessa Sutherland will resign from the agency June 22. The remaining board members voted to designate Kristen Kulinowski, a board member since 2015, as the board’s interim leader.

“There isn’t very much change that I’m hearing from the industry that they’re seeking right now,”...