ANSWERS | ACCOUNTABILITY | JUSTICE. Williams Bertram is a boutique litigation firm in Washington, DC comprised of experienced trial attorneys. We are strategic advocates and we look at each case uniquely. Our attorneys have over 25 years of civil litigation experience. Catherine "Katie" Bertram has a unique background, as a former defense attorney and Director of Risk Management for Georgetown University Hospital. Harvey "Shep" Williams has 30+ years of trial experience, including a recent substantial verdict against the District of Columbia for the wrongful death of a mentally disabled man. The firm is involved in significant class actions and personal injury cases in the DC metro area.