Isaac Mamaysky

Isaac Mamaysky is a partner in Potomac Law Group PLLC where he provides employment law, commercial contracts, and compliance guidance to management teams, in-house attorneys, and HR professionals across industries. His clients include multinational corporations, large educational institutions, national nonprofits, and privately held startups. Isaac regularly conducts internal investigations, writes employee handbooks, drafts commercial contracts, leads complex negotiations, advises on ethics/compliance matters, and counsels clients on every phase of the employment lifecycle.  

In addition to his practice, Isaac is an adjunct professor of law and teaches classes at the intersection of employment law, ethics/compliance, and human resources. He has published and been quoted in dozens of articles on these topics, including in Fortune Magazine, Lexis Nexis’ Law360, SHRM, and various academic journals.  

Isaac began his career at an AmLaw 100 law firm and has extensive in-house experience. He is also the cofounder of a large 501(c)(3) corporation that has employed more than 1,000 people over the past decade. He approaches clients’ legal needs with a business mindset and especially enjoys serving as outside general counsel to leadership teams, bringing together his management background and legal experience to help achieve their goals.