California Coastal Commissioners will vote next month on whether to fire their executive director, Charles Lester, leading some to speculate that pro-development forces are seeking a friendlier leader.

West Marin Supervisor Steve Kinsey, the chair of the commission, wrote in a Jan. 14 letter that Mr. Lester had the option of presenting a “transition plan” to replace himself. Instead Mr. Lester, who succeeded longtime executive director and noted firebrand Peter Douglas, elected to invoke his…