William Zachariah Mundy is a Lecturer for the Department of Government & Politics and the MLAW Programs, where he teaches courses in trial advocacy and public law.

Zachariah is also the Director of the five-time national champion Maryland Mock Trial Program and on the Board of Directors of the American Mock Trial Association. As a student at Maryland, he competed for Maryland Mock Trial, which culminated in him being named an All-American and the program winning its fifth national championship. 

During the day, Zachariah is a practicing attorney and the Director of the University of Maryland's Graduate Student Legal Aid Office (GLAO). He has served on the University's Undocumented Student Working Group and the International Student Working Group. Before coming to the University, he worked for the District of Columbia government where he litigated complex disputes at both the trial and appellate levels and worked on affordable housing policy and rulemaking.

Zachariah graduated from the University of Maryland with a BA in Government & Politics and earned his Juris Doctor from the UCLA School of Law.