Peter D. Greenspun

David T. Dekker is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and Litigation - Construction. David T., who practices law in Washington, District of Columbia, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David T. is held by other top lawyers in the same geographic and legal practice area.

Margaret J. McKinney is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law and Mediation. Margaret J., who practices law in Bethesda, Maryland, has been recognized since 2005. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Margaret J. is held by other top lawyers in the same geographic and legal practice area.

Since cofounding Stein Sperling 40 years ago, Millard Bennett has built a robust and varied business law practice, while simultaneously growing and expanding the firm as Managing Partner into one of Montgomery County’s largest and most sought after law firms. In addition to his time tested business acumen, Millard’s intuition, empathy and meticulous attention to his clients’ individual needs has earned him a reputation as a go-to business lawyer. Beyond advising clients on b...

Brent R. Gary is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Real Estate. Brent R., 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 Brent R. is held by other top lawyers in the same geographic and legal practice area.

William McLucas is one of the most sought-after advisors to public companies, boards of directors, audit committees and special committees dealing with corporate crises and related issues. He joined the firm after serving for more than eight years as Director of Enforcement for the Securities and Exchange Commission—longer than any other Enforcement Division Director in Commission history. He represents public companies, investment banks, accounting firms and advisors to mutual funds fa...

Brian P. Casson is the founder and Managing Partner of the Northern Virginia Immigration Law Firm, PLLC in Falls Church, VA. Mr. Casson's fearless advocacy and legal acumen have earned him the respect of clients and colleagues alike. He is recognized as a leading immigration attorney in the DC Metropolitan Area and has been both appointed and elected to serve in leadership roles in the American Immigration Lawyer's Association (AILA) from 2017 to present. The Northern Virginia Immigration Law...

Mr. Mills’ practice concentrates on securities and derivatives enforcement, regulatory counseling, and litigation. His clients include public and private companies, corporate officers, hedge funds, traders, energy marketers, broker-dealers, investment advisers commodity trading advisors and pool operators, and other professionals and executives. He represents clients in investigations and enforcement actions of the SEC, CFTC, FINRA, FERC, DOJ, state regulators and self-regulatory organi...

Miles S. Mason is a top attorney recognized by Best Lawyers in the practice area(s) of Communications Law. Miles S., 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 Miles S. is held by other top lawyers in the same geographic and legal practice area.

Barry Boss is co-chair of Cozen O’Connor’s Criminal Defense & Internal Investigations practice group, vice chair of the Commercial Litigation Department and office managing partner of the D.C. office. Prior to joining Cozen O’Connor in April 2004, Barry was an assistant federal public defender in Washington, D.C. Barry focuses his practice on complex criminal matters, particularly involving allegations of white-collar crime in federal court. Barry has extensive jury tria...

Barry Fleishman focuses his practice on complex policyholder insurance coverage and products liability issues. He has experience in complex litigation before federal and state courts, arbitral tribunals, and judicial and private mediators, with primary focus on representing corporate policyholders seeking to secure insurance coverage for liability and loss arising out property damage, bodily injury, personal injury, and alleged wrongful acts of directors and officers. Mr. Fleishman has repres...