Barbara S. Wahl

Bob Wellen, a partner of the firm, has practiced tax law for nearly 35 years. His practice involves planning, structuring and negotiating business transactions and representing taxpayers seeking private letter rulings from IRS and tax policy determinations from IRS and the Treasury Department and in controversies with IRS. He also serves as an arbitrator and as an expert witness in commercial disputes involving tax issues. Bob grew up in Jersey City, New Jersey. He graduated from Yale College...

Sally Ann Hostetler is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Construction. Sally Ann, who practices law in Reston, Virginia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sally Ann is held by other top lawyers in the same geographic and legal practice area.

Craig McRobbie works directly with inventors to prepare patent applications in the areas of biotechnology, biochemistry, organic chemistry, inorganic chemistry, pharmaceutical chemistry and biology. Mr. McRobbie prosecutes patent applications including corresponding with clients and preparing replies to all USPTO correspondence. Mr. McRobbie handles cases before the USPTO Patent Trial and Appeal Board, and prepares patentability, non-infringement, validity and freedom-to-operate opinions. Mr....

I am one of the three founding partners of Cooper Ginsberg Gray, PLLC, and helped launch the firm in November of 2004. Our founding principles are focused on providing compassionate and competent legal representation, advancing the legal profession, and giving back to the Northern Virginia community. Throughout my 25+-year career, my practice has been devoted to helping my clients navigate through family law matters. I have been privileged to represent mothers, fathers, husbands, wives, as we...

Theresa M. Connolly is the co-managing partner of the Washington, D.C. Metro offices, where her litigation practice focuses on advising and counseling employers in all employment matters and defending employers in all aspects of workplace litigation including complex trade secret misappropriation cases. She has significant experience representing employers in regards to discrimination claims, harassment, contractor issues, wage and overtime claims, wrongful discharge, contracts, tort actions ...

Petr's practice focuses on investment treaty arbitration, international commercial arbitration and public international law. Petr's legal knowledge and mastery of technical and financial issues makes him a vital resource for clients in today's complex international arbitrations. Petr has been recognized as one of the "Most Highly Regarded Individuals" in Arbitration by Who's Who Legal – Future Leaders 2018 and 2019. A partner in the Firm's International Arbitration Group based in Washin...

Denise Hammond, Senior Counsel, has focused exclusively on the practice of immigration law for almost 30 years. She has received numerous accolades from clients and peers for her extraordinary level of personal service, her resourcefulness, and her ability to break down complex immigration laws and find creative solutions for the most challenging cases. In 2014, Chambers Global praised Denise’s practice, noting that she "has an incredible client service approach – her personal att...

Brian Krulick is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and Litigation - Construction. Brian, who practices law in Tysons, Virginia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian is held by other top lawyers in the same geographic and legal practice area.

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...

Nathan J. Muyskens is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Nathan J., 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 Nathan J. is held by other top lawyers in the same geographic and legal practice area.