Historic Preservation Staff Biographies Learn about the prior experience and current responsibilities of the DC Historic Preservation Office staff. Name Position David Maloney State Historic Preservation Officer Steve Callcott Deputy State Historic Preservation Officer Michael Beidler Senior Preservation Specialist Anne Brockett Architectural Historian Toni Cherry Senior Enforcement Officer Joyetta Delaney  Staff Assistant  Timothy J. Dennée Architectural Historian Patsy Fletcher Community Outreach Coordinator R. Keith Lambert Preservation Inspector C. Andrew Lewis Senior Preservation Specialist J. Brendan Meyer Preservation Specialist Amanda Molson Preservation Specialist Ruth Trocolli  Archaeologist Eldra D. Walker Preservation Specialist Kimberly Prothro Williams Architectural Historian Bruce Yarnall Operations and Grants Manager