The business of Kiernan Trebach is directed by a five-person Executive Committee. Currently serving on the Executive Committee are Alan Block, Heather Deane, Michael Smith, Mark Lockett, and John Kiernan. Heather Deane is the Firm’s Managing Partner and is responsible for overall leadership, strategy and policy in coordination with the Executive Committee. In addition, Kevin McCarthy, CPA, CLM, the firm’s Chief Financial & Administrative Officer, manages the day-to-day administrative and finance operations of the firm. Michael Chefitz serves as the firm’s General Counsel.
General Counsel
Professional Staff

Outside of work, you will find Helen with family and friends, at the beach and watching sports.


Outside of work, Dennis enjoys spending time with family and friends, spending time on the family farm and attending small college football games in the fall.
Suzannah began her career in DC, working for DC Prisoners Legal Services Project, a non-profit that helped advocate for prisoners’ rights where she served as a liaison between inmates and legal counsel. Over the last decade, Suzannah has worked with attorneys in IP and Corporate law.
Suzannah is driven by innovation, intelligent people, and the desire to continuously learn. Despite a disdain for clichés she often quotes Esther Dyson: “Always make new mistakes” and believes that empowered people should empower people.
Outside of work and school, Carmen enjoys spending time with family and friends, travelling and reading science fiction.

Sandra Zavala has been with the firm’s Washington, D.C. office for 11 years. Sandra is the Collections Specialist, she mainly focuses on the accounts receivables for all the firm offices and assists with billing.
Outside of work and school, Sandra enjoys spending time with family and friends.