Henry C. Thumann

Eduardo S. Garcia is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Eduardo S., who practices law in Rockville, Maryland, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eduardo S. is held by other top lawyers in the same geographic and legal practice area.

Leon Fresco is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Leon, who practices law in Washington, District of Columbia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Leon is held by other top lawyers in the same geographic and legal practice area.

After serving as a law clerk for a Federal judge in Los Angeles, Mike began his career in tax controversy as a Trial Attorney with the Attorney General’s Honors Program at the Tax Division of the U.S. Department of Justice. After the Justice Department, Mike worked at a boutique tax firm in Washington, D.C., where he was elected partner in 2004. In this capacity he represented clients ranging from Fortune 100 companies to partnerships and individuals. Mike returned to government in 2005...

Bill Gehrig has practiced public finance law for more than 25 years as bond counsel, underwriter’s counsel, general counsel, disclosure counsel and special tax counsel in more than 2,000 debt financings and refinancings totaling more than $25 billion. Bill has wide-ranging experience in single-family and multifamily bond financings, refundings, and restructuring transactions.

W. Swain Wood is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. W. Swain, 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 W. Swain is held by other top lawyers in the same geographic and legal practice area.

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

Philip Baker-Shenk is a partner in our firm's Indian Law Practice Group and our Entertainment Law Practice Group. He provides legal and policy representation to dozens of Native American Indian Tribal governments as well as Tribal organizations and companies doing business with Indian Tribes. Mr. Baker-Shenk began working on behalf of Indian Tribes in our Nation's capital in 1976. For half a decade, he served as staff in the U.S. Senate, including two years as Majority General Counsel to Indi...

For over twenty-five years, Wendy has represented a diverse range of energy clients including investor-owned utilities, independent generators, investors in transmission infrastructure and local gas distribution companies before the Federal Energy Regulatory Commission (FERC), the Department of Energy and federal courts. Her practice focuses on rate regulation, energy market rules and operation, open access transmission issues, administrative litigation, mergers and acquisitions, enforcement ...

Robert S. Litt is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Robert S., who practices law in Washington, District of Columbia, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert S. is held by other top lawyers in the same geographic and legal practice area.

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...