LAWYER PROFILE
Mark Sundback

Mark Sundback

USA 2026

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Sheppard, Mullin, Richter & Hampton LLP
 Sheppard, Mullin, Richter & Hampton LLP

Ranked in 1 practice area

Energy: Oil & Gas (Regulatory & Litigation)

USA - Nationwide

17 years ranked

About

Provided by Sheppard, Mullin, Richter & Hampton LLP

Practice Areas

Mark Sundback is a partner in the Real Estate, Energy, Land Use & Environmental Practice Group in the firm's Washington, D.C. office.

Since 1981, Mark has been engaged in the representation of energy industry participants before federal and state agencies charged with jurisdiction over energy markets and their participants. His representations have focused on the rates, terms and conditions associated with gaining access to regulated energy transmission systems, transactions involving changes in ownership of jurisdictional assets and unbundling matters.

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Energy: Oil & Gas (Regulatory & Litigation) - USA - Nationwide

Band 4
Individual Editorial
Mark Sundback of Sheppard, Mullin, Richter & Hampton LLP has substantial capabilities advising clients in regulatory proceedings and approvals, including rate and pipeline construction disputes.
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Strengths

Provided by Chambers

  • When it comes to litigation Mark is exceptional on that front. He is a great advocate for his clients.

    Energy: Oil & Gas (Regulatory & Litigation)Chambers Guide to the USA

  • Mark combines deep regulatory knowledge with creativity, resourcefulness and a solution-oriented approach.

    Energy: Oil & Gas (Regulatory & Litigation)Chambers Guide to the USA

Ranked Individuals at Sheppard, Mullin, Richter & Hampton LLP (107)

California

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