Find a Lawyer

Labor Law

1300 Pennsylvania Avenue NW, Suite 700, Washington, DC 20004

John Mahoney is a Washington, DC Attorneys at Law and the Founding and Managing Partner of the Firm, who specializes in the practice of federal sector employment, labor, and national security clearance law.

Labor Law

500 Eighth Street, NW, Washington, DC, DC 20004

Area of Practice: ERISA and Employment Jonathan Rose focuses his practice advising on matters related to the Employee Retirement Income Security Act of 1974 (ERISA) and related employment litigation. He advises plan sponsors and fiduciaries of qualified and non-qualified pension and health benefit plans in compliance with a wide range of fiduciary duties required in the administration and investment of plan assets. He has also successfully represented clients in over a hundred government investigations by the Department of Labor, Pension Benefit Guaranty Corporation and the Internal Revenue Service, among others. Jonathan also represents financial advisors, investment funds and service providers on Title I issues involving the structuring and marketing of investment funds, including venture capital and real estate operating companies, qualified plan asset managers, issuers and borrowers of credit and loan agreements, and issuers warehouse financing and administration agreements. He has extensive experience litigation in many areas of labor and employment law, including whistleblower claims against government contractors, federal and state wage-and-hour claims, and federal and state discrimination claims. He also regularly advises employers in the negotiation of employment and severance agreements and collective bargaining agreements. Some of Jonathan's notable experience includes representing clients in complex ERISA-related class action disputes in US district courts and other complex litigation matters; serving as first-chair counsel for Fortune 500 sponsors in stock drop and retiree health class action cases, as well as executive compensation litigation cases; and negotiating mergers of underfunded plans to avoid the imposition of withdrawal liability and excise taxes on employers through negotiations with the PBGC and IRS.

Labor Law

4242 Merrick Road, Massapequa, NY 11758

Keith E. Williams, Esq. is a United States Air Force Veteran and a 2014 graduate of the University of Southern California Gould School of Law. While attending USC Law, Mr. Williams was a Judicial Intern at the Ninth Circuit Court of Appeals for the Honorable Judge Harry Pregerson, a Legal Extern for the Federal Trade Commission, and the President of the USC Veterans Association. Mr. Williams is admitted to practice law in the states of New York and California, as well as before the United States District Court for the Eastern and Southern Districts of New York and the Central District of California. Since joining Neil H. Greenberg & Associates, P.C. in 2016, Mr. Williams has been actively involved in all aspects of the firm’s employment law litigation practice, including federal and state wage and hour disputes, employment discrimination, EEOC claims, wrongful termination, violations of the FMLA and the ADA, age discrimination, and personal injury claims arising from workplace incidents. Mr. Williams attended the University of Southern California, graduating magna cum laude with his bachelor’s degree in 2010. He received his associate’s degree from Farmingdale State College in 2007.

Labor Law

16133 Ventura Blvd., Suite 1200, Encino, CA 91436

Labor Law

6355 Topanga Canyon Blvd Ste, Woodland Hills, CA 91367

Area of Practice: Employment Law & Civil Litigation