Benjamin S. Vaughan

Steve Weber is a Partner in Peckar & Abramson’s Washington D.C. office and Co-Chair of the firm’s Government Contracts practice. He has 35+ years of experience representing domestic and international contractors in a wide range of construction litigation and governmental contract matters in and outside the U.S. Steve has represented domestic and international construction contractors on power projects, high rise projects and major infrastructure projects, among others. His exp...

Margaret is one of the four founding partners of Rock Creek Energy Group. She has over 18 years of experience counseling and representing a broad swath of electric industry participants on a wide range of federal energy regulatory and administrative litigation matters. She provides strategic counsel to investor-owned utilities, renewable and conventional generators, private equity and institutional investors, developers, and renewable energy providers on transactional, regulatory, and litigat...

James N. Mastracchio is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. James N., who practices law in Washington, District of Columbia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James N. is held by other top lawyers in the same geographic and legal practice area.

Darla J. McClure is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships), Closely Held Companies and Family Businesses Law, Corporate Law, Employment Law - Individuals and Employment Law - Management. Darla J., who practices law in Rockville, Maryland, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Darla J. is held by other top lawyers in...

Paul Varela counsels clients in contract planning, administration, and complex dispute resolution matters nationally and internationally in the engineering and construction industry. His broad range of legal experience includes government and private data centers, roads, bridges, tall buildings, nuclear and conventional power facilities, environmental remediation, biomedical centers, energy and chemical projects, airports, professional sports stadiums, pharmaceutical projects, mass transit, a...

Orlando J. Cabrera is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Orlando J., who practices law in Washington, District of Columbia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Orlando J. is held by other top lawyers in the same geographic and legal practice area.

Mark’s background includes a broad array of multijurisdictional and complex commercial disputes, including class action litigation. He has practiced before state and federal courts, as well as in arbitration actions, and he has been involved in all aspects of litigation—from pretrial discovery and motion practice to trial advocacy and appellate practice. He regularly represents plans, their sponsors, and insurance companies before federal and state regulatory agencies. As a litiga...

Sandra Grossman is a founding partner of Grossman Young & Hammond, a full-service immigration and international human rights law firm in Maryland. She is a skilled practitioner with nearly two decades of experience in a broad range of immigration matters. She has earned her reputation as a pragmatic and creative lawyer, who gets the job done even in the most complex of cases. Sandra has developed a unique practice representing and supporting clients before INTERPOL. In 2019, Sandra testif...

Bill Christiansen specializes in biotechnology patent matters, with particular emphasis on U.S. and international patent procurement, strategic management of patent portfolios, investment due diligence, early stage company counseling and competitive patent position analysis. He received his B.S. in Biochemistry and Biophysics (with honors) from Oregon State University (1991). After obtaining a Ph.D. in Biochemistry/ Biophysics/Molecular Biology from the University of Notre Dame (1995), for wh...

Personal injury lawyer Joseph Cammarata is a dual board-certified civil trial attorney, nationally known for his tenacity and perseverance in zealously representing clients in all stages of litigation. Mr. Cammarata's practice is concentrated in the areas of serious personal injury, brain injury, wrongful death and medical malpractice. He also successfully champions the rights of victims of discrimination and civil rights abuses. He has litigated against insurance companies, governmental enti...