William R. "Bill" Zimmerman

Mark S. Popofsky is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law and Litigation - Antitrust. Mark S., who practices law in Washington, District of Columbia, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark S. is held by other top lawyers in the same geographic and legal practice area.

Jo Benson Fogel Practice Areas: Litigation; Family Law; Probate Admitted: 1970, Maryland; 1971, District of Columbia; 1974, U.S. Supreme Court; 1975, U.S. District Court, District of Maryland Law School: George Washington University, J.D. Member: Montgomery County (Member, Executive Committee, 1984-1986, 1993-1995; Director, Montgomery Bar Foundation, 1988 -- ; Administration of Justice, 1984-1990; Chair, 1996-1997; Bench/Bar, 1999-2001; Judicial Selections, 1984-1997, Chair, 1987 and 2008; D...

Brigen Winters counsels employers, plan administrators, financial institutions, insurers, trade associations, and coalitions on retirement, health and welfare, tax, executive compensation, regulatory, and legislative matters. Brigen helps clients achieve compliance and obtain favorable outcomes through amendments from Congress and regulatory guidance from the IRS and Departments of Treasury, Labor, and Health and Human Services. He counsels clients on all aspects of tax-qualified and individu...

Clients hire Jacob because his aggressive, tenacious, creative and proactive strategies often put the other side on its heels, and because he gets successful results in investigations and litigation. Jacob has secured superior results for his securities enforcement, white-collar criminal defense, FCPA and internal and government investigations clients. Jacob brings his experience and outstanding reputation, including for creative strategies and solutions, to the defense of investigations, lit...

David F. Klein is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. David F., who practices law in Washington, District of Columbia, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David F. is held by other top lawyers in the same geographic and legal practice area.

Wm. Quinton Robinson 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 Compliance Law and Corporate Law. Wm. Quinton, who practices law in Fairfax, Virginia, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Wm. Quinton is held by other top lawyers in the same geographic and ...

Biz is a leader in the field of criminal defense and internal investigations focusing on white-collar defense and health care cases. Biz regularly represents clients in congressional and criminal fraud investigations as well as qui tam, Foreign Corrupt Practices Act (FCPA), False Claims Act (FCA), civil RICO, and employment litigation. She has counseled clients — including boards, audit committees, and management — on the development and implementation of internal compliance and e...

Benjamin Kinder is a top attorney recognized by Best Lawyers in the practice area(s) of Nonprofit / Charities Law. Benjamin, who practices law in Reston, Virginia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Benjamin is held by other top lawyers in the same geographic and legal practice area.

K.C. Halm is a top attorney recognized by Best Lawyers in the practice area(s) of Communications Law. K.C., who practices law in Washington, District of Columbia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which K.C. is held by other top lawyers in the same geographic and legal practice area.

Douglas W. Ell enjoys solving difficult problems relating to employee benefits. His creative redesign of one benefit program saved a client over $20 million each year and was recently approved by the IRS. He drafted the first 401(k) plan in professional sports. Mr. Ell has represented a number of nationally recognized corporations, unions and multiemployer plans. He has litigated nationally with great success and persuaded Congress to make important changes in employee benefits laws. He has s...