John P. Pennington

Jeffrey A. D. Cohen is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Jeffrey A. D., who practices law in McLean, Virginia, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey A. D. is held by other top lawyers in the same geographic and legal practice area.

R. Peyton Mahaffey is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates and Personal Injury Litigation - Plaintiffs. R. Peyton, who practices law in Fairfax, Virginia, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which R. Peyton is held by other top lawyers in the same geographic and legal practice area.

William Zapf is a top attorney recognized by Best Lawyers in the practice area(s) of Ethics and Professional Responsibility Law. William, 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 William is held by other top lawyers in the same geographic and legal practice area.

Maury Baskin focuses his Washington, DC-based practice on national labor policy, challenging excessive government regulation on behalf of small and large businesses, while advising employers in compliance issues. He has extensive experience in dealing with labor relations and union pressure tactics, employment discrimination and wage and hour law. He has represented a variety of industry sectors, advising clients involved in construction, government contracting, higher education, telecommunic...

W. Todd Baker is an IP litigation partner in the Washington, D.C., office of Kirkland & Ellis LLP. Todd is experienced handling post-grant matters at the USPTO including all aspects of IPR proceedings at the USPTO's Patent Trial and Appeal Board (PTAB). He advises clients on issues of patentability, derivation, inventorship and priority related to post grant matters before the PTAB as a supplement or an alternative to traditional litigation-based patent validity challenges. Todd litigates...

Peter C. Burnett is a graduate of Hobart College and the Antioch School of Law. He has been licensed to practice in Virginia and the District of Columbia for over 40 years. Initially Peter served Loudoun County as a general practice lawyer, but in 1988, he decided to limit his practice to personal injury law. In the 25 years since, he has established an impressive track record, building Burnett & Williams into one of the most experienced personal injury firms in the state. Peter has guide...

Kenneth W. Parsons is a top attorney recognized by Best Lawyers in the practice area(s) of Native American Law. Kenneth W., who practices law in Washington, District of Columbia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kenneth W. is held by other top lawyers in the same geographic and legal practice area.

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

David is the Managing Partner of Winston’s D.C. Office. He advises clients on the management of a variety of benefit plans, and regularly counsels on executive compensation arrangements. Clients describe him as “very knowledgeable, responsive, and practical” and “recommend David to any client seeking an employee benefits counsel” (Chambers USA). Please read more here: https://www.winston.com/en/who-we-are/professionals/rogers-david-e.html

Paula Calimafde chairs the firm’s Retirement Plans , Employee Benefits and Government Relations practice groups and is also a senior member of the Estate Planning , Tax and Nonprofit groups. She has more than 35 years of experience advising companies and tax-exempt organizations on qualified and non-qualified retirement plans and employee benefits, including non-qualified deferred compensation, welfare benefit and cafeteria plans. She is a nationally recognized leader in the field of cr...