David Ervin

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...

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

Venroy July differentiates his practice through his recognition of the interplay of business and legal considerations in the current economic climate, thereby positioning himself to effectively work with clients to develop the appropriate strategies to accomplish their business goals. Venroy’s diverse practice and experience has seen him advise clients operating in the government contracting, transportation, cybersecurity, banking and technology industries on an array of matters includi...

Craig E. Chason is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Mergers and Acquisitions Law and Securities / Capital Markets Law. Craig E., who practices law in Tysons, Virginia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Craig E. is held by other top lawyers in the same geographic and legal practice area.

Sam Spiritos’ clients recognize him as a sophisticated transactional attorney, trusted business advisor and an effective negotiator who truly understands their business needs. Over the course of his thirty-plus year career of successful deal-making, Sam has developed not only a masterful legal ability, but also strong relationships with many key players in the real estate markets in DC, Maryland, Northern Virginia and throughout the country. He draws upon this experience (which includes...

Christopher Cestaro is a partner in the firm's White Collar Defense and Investigations Practice. Mr. Cestaro’s practice focuses on white-collar criminal matters, government enforcement actions, internal corporate investigations, due diligence reviews and compliance counseling. Mr. Cestaro’s unique experience includes more than eight years as a federal prosecutor focused on white-collar cases, three years working as a compliance counsel for a multinational oil services company and ...

Nathan Kelley is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Nathan, 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 Nathan is held by other top lawyers in the same geographic and legal practice area.

Mark L. Stember is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law and Litigation - ERISA. Mark L., 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 Mark L. is held by other top lawyers in the same geographic and legal practice area.

Curtis L. Sano has over 20 years of experience representing developers, lenders, property owners and corporate users in the area of real estate law. This representation has focused on real estate purchase and sales for office, residential, retail and hotel properties, debt and equity financing and associated entity structuring. Mr. Sano also has extensive experience in conventional and securitized loans, real estate transfer tax planning and CCRs and reciprocal easements. Prior to joining Hol...

Gregory H. Koger is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and Litigation - Construction. Gregory H., 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 Gregory H. is held by other top lawyers in the same geographic and legal practice area.