The Law Firm of
Guerrieri, Clayman, Bartos & Parcelli, P.C.
1900 M Street, NW
Suite 700
Washington, DC 20036
202-624-7400 ( p )
202-624-7420 ( f )
Our Attorneys


Photo: Joseph Guerrieri

Joseph Guerrieri

Joseph Guerrieri began his legal career as a law clerk to a Superior Court Judge in Washington, D.C. and was thereafter appointed an Assistant United States Attorney for the District of Columbia where he served in the criminal, appellate and civil divisions. Mr. Guerrieri has taught trial practice in the Trial Advocacy Program of the United States Department of Justice.

Upon leaving government service, Mr. Guerrieri entered the private practice of law and, in 1985, founded Guerrieri, Clayman, Bartos and Parcelli, P.C., a nationally recognized law firm specializing in complex litigation and in all aspects of labor and employment law. He and the firm gained national prominence in litigating on behalf of airline workers against Frank Lorenzo and Eastern Airlines, and has successfully brought and defended a number of other highly publicized cases (tried before both judges and juries) against large corporations.

In addition to an active trial and appellate court practice, Mr. Guerrieri has assisted the firm’s labor union clients in the negotiations of national collective bargaining agreements for, among others, the pilots at Delta Airlines and the ground employees at Northwest, TWA, and US Airways. He has represented his labor union clients before a number of Presidential Emergency Boards appointed by the President of the United States to investigate labor-management disputes that threaten to interrupt interstate commerce. Mr. Guerrieri successfully represented unions at Amtrak in obtaining a recommendation from a PEB that eight years of back wage increases be paid to thousands of Amtrak rail workers. He also serves as counsel to the National Railroad Retirement Investment Trust.

Mr. Guerrieri counsels a number of labor organizations on compliance with Federal laws and has served as parliamentarian at various international union conventions. In 2001, with the approval of the U.S. Department of Justice, the 700,000-member Laborers’ International Union of North America appointed Mr. Guerrieri as an independent Elections Officer. In that capacity he investigated and decided local, intermediate and international union election protests from LIUNA members throughout the United States and Canada. He was recently appointed LIUNA Independent Hearing Officer to hear and decide disciplinary and trusteeship cases.

Mr. Guerrieri has published and lectured on a variety of litigation, labor and employment law issues. He served as a Visiting Professor of Labor and Employment Law in Russia at Vladivostok State University of Economics and Services. He has served as a delegate and counsel to U.S. delegations to the International Transportation Federation Congresses in London, England; Madrid, Spain; Florence, Italy; and New Delhi, India. He was elected a founding fellow of the College of Labor and Employment Lawyers and has served as a Labor Co-Chair of the Airline and Railroad Labor Law Committee and the Union Administration Committee of the American Bar Association. He received the highest Martindale and Hubbel, AV rating from his peers.

Mr. Guerrieri is a member of the District of Columbia bar. He received his Bachelor of Arts degree from the University of Michigan and his Juris Doctorate degree “with honors” from George Washington University Law School.

Photo: Robert S. Clayman

Robert S. Clayman

Robert Clayman has represented workers for more than thirty years. He began his legal career as an attorney with the migrant and seasonal farm workers office of Georgia Legal Services and has continued to work on behalf of labor unions and the employees they represent. Prior to moving to Washington in 1983, he was employed by a small union side labor firm in Atlanta. For the next five years he served as in-house counsel for the Association of Flight Attendants and for the past two decades he has represented unions in the airline and railroad industries at the firm.

Mr. Clayman has litigated cases in federal district courts and appellate courts throughout the United States. As counsel in more than fifteen airline bankruptcies, he has defended labor organizations against employers’ attempts to reject collective bargaining agreements, eliminate retiree health benefits, and terminate pension plans.

He acted as counsel for the Association of Professional Flight Attendants in its negotiations with American Airlines (1992-1995) and for the Air Line Pilots Association in its bargaining with Delta Air Lines (1999-2001). Mr. Clayman is again serving as APFA’s counsel in its current negotiations.

He has represented unions in the arbitration of numerous disciplinary and contractual grievances as well as in seniority integration and interest arbitration cases. His practice also has extended to staff members of the World Bank, where a seven member Administrative Tribunal is empowered to resolve employment-related disputes.

Mr. Clayman has been a lecturer at various conferences sponsored by the ABA Section of Labor and Employment, the ALI-ABA Airline and Railroad Labor and Employment Committee, the AFL-CIO Lawyers Coordinating Committee, and the Pensions Rights Center. He has also taught collective bargaining at the Columbus School of Law at Catholic University.

Mr. Clayman is a member of the District of Columbia bar. He is a graduate of Tufts University, and earned his Juris Doctorate from Emory University School of Law.

Photo: Jeffrey A. Bartos

Jeffrey A. Bartos

Jeffrey Bartos has represented labor unions, employees and consumers for over 15 years.

During law school, Mr. Bartos worked at the Legal Action Center in Milwaukee, Wisconsin, assisting low-income individuals in a range of legal matters, and was a student director of the Yale Law School Homelessness Clinic. After law school, he served as a Graduate Fellow at Georgetown University’s Institute for Public Representation, where he focused on representation of parents of children in need of special education services.

Mr. Bartos received his J.D. from Yale Law School in 1990, and an L.L.M. from Georgetown University Law Center in 1992. He spent the following year practicing general federal litigation with the firm Donovan, Leisure, Rogovin & Schiller before joining the firm which is now Guerrieri, Clayman, Bartos & Parcelli. in 1993.

Mr. Bartos’ work at the firm has included the representation of labor unions in a wide range of litigation in both the trial and appellate courts, under the Railway Labor Act, the Labor-Management Reporting and Disclosure Act, ERISA, Title VII, and the Bankruptcy Code. He has conducted federal jury trials in cases involving a union’s duty of fair representation, as well as an airline’s breach of the Air Carrier Access Act. He also secured the maximum available federal punitive damage verdict in a jury trial on behalf of a plaintiff who was discriminated against because of her pregnancy. Mr Bartos has conducted numerous emergency federal court proceedings involving the “status quo” obligations of the Railway Labor Act, and was actively involved in representing airline unions during the last wave of airline bankruptcies, both on creditors’ committees and in litigation. Outside of court, he has conducted many substantial arbitrations in the airline industry.

Since 2001, Mr. Bartos has been actively involved in resolving internal union election disputes within the Laborers’ International Union of North America (“LIUNA”). He served as the Deputy Elections Officer for LIUNA’s 2005 International Convention. In that capacity, he helped draft, implement and enforce election rules applicable across the union, and conducted training sessions for local unions in how to conduct a local union election.

In addition to his labor and employment law work, Mr. Bartos is involved in numerous consumer class actions under state antitrust and consumer protection laws. He sits on several plaintiffs’ Executive Committees and played a key role in securing what was then the largest indirect purchaser-class action settlement in U.S. history. He also works pro bono on adoption and custody cases in the District of Columbia courts.

Mr. Bartos is a member of the District of Columbia bar, and is an active member of the American Bar Association’s Railway and Airline Labor Law Committee, of which he is a past Union Co-Chair. Hereceived his B.A., magna cum laude, from Columbia University; his J.D. from Yale Law School, where he was awarded the school’s Colby Townsend Memorial Prize; and his L.L.M. (Advocacy) from Georgetown University Law Center. In 2009 Mr. Bartos was elected by his peers to a 3 year term on the Steering Committee of the Labor and Employment Law Section of the DC Bar.

Photo: Carmen R. Parcelli

Carmen R. Parcelli

Carmen Parcelli is a principal of the firm. She is a graduate of Georgetown University Law School magna cum laude, Order of the Coif, and was the recipient of the John F. Kennedy Labor Law Award. Ms. Parcelli joined the firm in 1994, then as a legal assistant. After deciding to obtain her law degree, she continued to work full-time at the firm while attending law school at night.

Ms. Parcelli’s areas of legal expertise include collective bargaining under the Railway Labor Act (“RLA”), employee benefits, and labor law in the bankruptcy context. Ms. Parcelli also served recently as the Deputy Elections Officer for the Laborers’ International Union of North America, assisting in the union’s internal officer election process. In addition to representing labor organizations, Ms. Parcelli has experience in a variety of individual employment matters, such as workplace discrimination cases, Family and Medical Leave Act (“FMLA”) issues, and matters arising under the Worker Adjustment and Retraining Notification (“WARN”) Act.

Ms. Parcelli is admitted to practice in the District of Columbia and the State of Maryland, as well as the bars of numerous federal appellate and district courts. She is also the Union Co-Chair of the American Bar Association’s Railway and Airline Labor Law Committee. She is a frequent presenter on a variety of topics at professional conferences, including the ABA Section of Labor and Employment Law conference, the ALI-ABA Airline and Railroad Labor and Employment Law conference, and the AFL-CIO Lawyers Coordinating Committee conference.

Ms. Parcelli also holds a Masters of Arts degree from The Catholic University of America in Medieval Studies. Her graduate studies emphasized medieval Latin literature and paleography. She attended Brown University as an undergraduate graduating magna cum laude. She is a native of the Washington, DC area and a graduate of the National Cathedral School.

Photo: Elizabeth A. Roma

Elizabeth A. Roma

Beth Roma, a principal of the firm, has advocated on behalf of workers and unions since 2000.

In 2000, Ms. Roma graduated from Saint Anselm College in Manchester, N.H. (B.A., summa cum laude). During college, she worked as a full-time intern for Senator Edward M. Kennedy on the Senate’s Health, Education, Labor and Pensions Committee. After graduating from college, Ms. Roma moved to Denver, Colorado, where she worked as an organizer for 9to5, the National Association of Working Women, advocating at a national, state, and local level on behalf of low-wage/low-income working families.

Interested in pursuing a career as an attorney in the labor movement, Ms. Roma went to law school and graduated from the Washington College of Law at American University in 2004 (J.D., cum laude). During law school, Ms. Roma worked as a law clerk for the Laborers’ International Union of North America; the American Federation of State, County, and Municipal Employees; and the Appellate Court Branch, Division of Enforcement Litigation, for the National Labor Relations Board. Also, in law school, Ms. Roma served on the Editorial Board for the American University Journal of Gender, Social Policy and the Law. Ms. Roma’s comment entitled, “Mandatory Arbitration Clauses in Employment Contracts: The Need for Meaningful Judicial Review,” [12 Am. U. J. Gender Soc. Pol’y & L. 519 (2004)], was published in 2004. In recognition of her work on behalf of employees, she was selected to receive the prestigious Myers Scholarship and the John and Tyna Karl Employment Rights Scholarship. She also holds a Masters of Arts degree in International Relations from American University (M.A., 2004).

Ms. Roma became a partner with Guerrieri, Clayman, Bartos & Parcelli in 2011 after working as an associate since 2005. Her practice has focused primarily on issues arising under the Labor-Management Reporting and Disclosure Act, particularly under Title I and Title IV of the Act, the Railway Labor Act, the federal duty of fair representation, and matters related to labor law in the bankruptcy context. Additionally, she has experience working on various employment law issues. Ms. Roma’s litigation experience includes representing clients at the trial and appellate levels of both state and federal courts. She also has experience representing clients before various government agencies.

Ms. Roma is active in her community and is a regular volunteer attorney with the Workers’ Rights Clinic sponsored by the D.C. Employment Justice Center and the Workplace Street Law Project sponsored by the D.C. Bar Association and Georgetown University Law School. She also volunteers as a mentor for high school and college students interested in pursuing a career in public service.

Ms. Roma is a member of the Bars for the State of Massachusetts and the District of Columbia as well as the bars of numerous federal appellate and district courts.

N. Skelly Harper

Mr. Harper joined Guerrieri, Clayman, Bartos & Parcelli as an associate in 2010. His practice focuses on representation of labor unions in federal court in actions arising under the Railway Labor Act and the Employment Retirement Income Security Act. He also contributes to the work of the firm resolving internal union disputes and advising unions in the bankruptcy context.

Skelly Harper is a 2007 graduate of the Cornell University School of Industrial and Labor Relations, where he concentrated his undergraduate studies on the history of the American labor movement. Mr. Harper received his J.D. in 2010 from Vanderbilt University Law School. While in law school, Mr. Harper interned with the Legal Department of the Service Employees International Union, where he worked on legal issues of internal union governance, and with the New York law firm Meyer, Suozzi, English & Klein, where he assisted on a broad range of issues facing the firm's union clients.

Mr. Harper is a member of the District of Columbia, New York, and Massachusetts Bars. He is a contributing editor of the District of Columbia Practice Manual.