David is a founding member and the Managing Partner of MacMain, Connell & Leinhauser. David has broad and extensive trial experience having tried over 125 cases to verdict in favor of his clients. David has, over the course of his twenty-five plus year legal career, focused his practice on the representation and counseling of public entities, public officials, educational institutions, religious entities, and non-profits throughout Pennsylvania, in a wide variety of civil rights and employment claims including police misconduct, zoning/land use, sexual harassment, discrimination, licensing, First Amendment, prison-based, employment, and work-place claims. David is frequently retained as a consultant and/or lead trial counsel in high-profile §1983 and municipal liability cases throughout the country including cases in New Jersey, Delaware, Maryland, Connecticut, New York, Illinois, Michigan, Ohio, North Carolina, and Arizona. He also serves as counsel to law enforcement agencies and correctional facilities on various issues including the review and preparation of policies, and operational issues.
David is a member of The Federation of Defense and Corporate Counsel, an international organization limited to 1400 lawyers worldwide who are selected by invitation only following an extensive peer review selection process. David is a member of the Defense Research Institute and an active participant in the Government Liability, Trial Tactics, and Law Firm Management Committees. David currently serves as the 2019 Chair of the Governmental Liability Committee, was the 2013 Program Chair of the annual conference and has been a featured speaker at several annual conferences.