Mark M. Burden has been named the new managing partner of Donohue Brown Mathewson & Smyth LLC.Burden, who was one of the eight founding attorneys with the firm in 1995, said the firm has been strategic in its growth as a standalone defense shop over the past 22 years, and he hopes to see that continue.He emphasized that his new leadership role doesn’t make him a singular voice in guiding the future of the firm.Burden succeeds John A. Krivicich, who had been the managing partner since 2014. Krivicich remains of …