Mark Thomas Foley

Louis Mazawey brings decades of experience as an authority on the tax aspects of employee benefits in all forms to his work at Groom. As counsel to major insurance companies and a variety of plan sponsors—including corporate employers, trade associations, and public retirement systems—Lou has worked closely with qualified plans, 403(b) and 457 plans, IRAs, employee stock ownership plans, executive compensation, retiree medical benefits, plan terminations, mergers and spinoffs, the...

Jerry C. Straus is a top attorney recognized by Best Lawyers in the practice area(s) of Gaming Law and Native American Law. Jerry 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 Jerry C. is held by other top lawyers in the same geographic and legal practice area.

Catherine P. McCarthy is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Catherine P., who practices law in Washington, District of Columbia, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Catherine P. is held by other top lawyers in the same geographic and legal practice area.

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...

Ciara Baker is a partner in the firm’s Transactional Department and chair of the Tax Practice. She advises clients ranging from emerging companies to established public companies on a broad array of executive and equity compensation matters. Her experience includes equity incentive plans and awards, employment, retention, severance and change-in-control agreements, non-employee director compensation arrangements, and non-qualified deferred compensation arrangements.

A former federal prosecutor with extensive trial and appellate experience, Greg Marshall represents companies and individuals defending government enforcement, white-collar criminal, and civil litigation matters. Greg also conducts internal investigations and advises clients on compliance issues. He has assisted clients in the financial services, healthcare, government contracting, technology, export, and education sectors. Greg has defended investigations and cases involving the False Claims...

Scott Sergio is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Scott, 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 Scott is held by other top lawyers in the same geographic and legal practice area.

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...

Allyson Mullen provides counsel to medical device and in vitro diagnostic (IVD) manufacturers. Ms. Mullen assists clients with a wide range of pre and postmarket regulatory topics including developing regulatory strategy, preparing regulatory submissions, drafting regulatory policies and procedures, reviewing advertising and promotional materials, and addressing enforcement matters. In the premarket area, Ms. Mullen develops regulatory strategy, including obtaining breakthrough device designa...

Nicole Lynn Kobrine has successfully climbed to the top of the often male-dominated areas of complex business litigation and commercial real estate. She has been trying cases for more than 20 years and has secured major victories in the courts of DC, Maryland and Virginia. The judges in these jurisdictions know her, and oftentimes she is the only female lawyer in the well of the courtroom. Primarily practicing throughout the Washington, DC metropolitan area and nationally, Nicole's recent eng...