Upon graduating from Boston University School of Law, Lynn S. Muster practiced privately for several years in civil and criminal litigation. She then clerked in the Massachusetts Superior Court and the Massachusetts Appeals Court, and was hired as a staff attorney and senior staff attorney at the Massachusetts Appeals Court, before being promoted to her current position in 2019.
Muster has coordinated, co-chaired, and been a panelist on many CLE programs on appellate practice, hosted by a variety of Boston nonprofit legal organizations. Muster also has published numerous legal articles, including as co-author with Justice John M. Greaney (ret.) on the history, development, and application of summary judgment. She also has co-authored material on the collateral consequences to judges and clerk-magistrates of their criminal conduct, and on the topic of searches and seizures of electronically stored information. Muster served on the board of editors for the Massachusetts Lawyers Weekly for more than a decade, and from 1997 to 2015 was a consultant and attorney/grader with BarBri Bar Review.