Darren DeStefano

Margaret is one of the four founding partners of Rock Creek Energy Group. She has over 18 years of experience counseling and representing a broad swath of electric industry participants on a wide range of federal energy regulatory and administrative litigation matters. She provides strategic counsel to investor-owned utilities, renewable and conventional generators, private equity and institutional investors, developers, and renewable energy providers on transactional, regulatory, and litigat...

For more than two decades, Jo Anne Bitner has helped commercial and residential real estate developers to navigate the array of legal and business challenges inherent in a complex and ever-growing market. Her work with regional and national developers has been an integral key in bringing to life many of the vibrant neighborhoods, commercial centers, sprawling data centers, and public transportation systems that define the growing western suburbs of Washington, D.C. Jo Anne regularly coordinat...

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...

Michael J. Rustum is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Michael J., who practices law in Washington, District of Columbia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael J. is held by other top lawyers in the same geographic and legal practice area.

Tanja H. Castro co-founded CastroHaase PLLC in 2012. She is included in the 2013, 2014, 2015 and 2016 editions of Washington, DC & Baltimore’s Best Lawyers. Her practice is focused in the areas of commercial real estate valuation and taxation issues, including property tax assessment appeals. She advises clients on minimizing their real estate tax obligations. Ms. Castro is experienced in reviewing, analyzing and obtaining reductions in the assessments of all types of commercial pro...

As a native of Northern Virginia, I have focused my practice on contested divorce, including matters of fault, property division, alimony, and custody/visitation. My persuasive style has been well-received in courtrooms throughout Virginia, Maryland and the District of Columbia. My clients have included c-level employees of local and national corporations, senior executive level employees of the federal government, business owners of all sorts, and stay-at-home moms and dads. I have represent...

David Sanford is the Chairman and co-founder of Sanford Heisler Sharp LLP. He has recovered more than one billion dollars for individual clients and the United States government since 2004. David represents C-suite executives and non-managerial hourly employees throughout the US. He has served as lead counsel in more than 50 class actions and numerous qui tam cases around the country and represented more than 100 general counsel and attorneys (in-house and outside counsel) in contract dispute...

Erin L. Kopelman is a top attorney recognized by Best Lawyers in the practice area(s) of Collaborative Law: Family Law, Family Law and Family Law Mediation. Erin L., who practices law in Bethesda, Maryland, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Erin L. is held by other top lawyers in the same geographic and legal practice area.

John J. Heitmann is a top attorney recognized by Best Lawyers in the practice area(s) of Communications Law. John J., who practices law in Washington, District of Columbia, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John J. is held by other top lawyers in the same geographic and legal practice area.

Matthew T. Martens is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Securities. Matthew T., 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 Matthew T. is held by other top lawyers in the same geographic and legal practice area.