Dec. 4, 2018: Marc Elrich, Democrat, was officially sworn in as the Montgomery County, Md., County Executive yesterday, Monday, Dec. 3, 2018. Elrich, 69, was sworn in during a ceremony held at the Music Center at Strathmore in Rockville, Maryland. Elrich succeeds Ike Leggett, Democrat, who held the position for the last twelve years. County Council President Hans Riemer spoke before Elrich, welcoming “new voices to county leadership” and welcoming the crowd to a “new era” in county government. The nine Members of the County Council were also sworn in, including newcomers Gabriel Albornoz, Evan Glass, Andrew Friedson and Will Jawando.