The RegistryState Bar Practice Area · Surnames O
Energy Law Attorneys in California, Surnames O
36 attorneys with an active California license whose State Bar record lists “Energy” as a practice area and whose surname begins with O. Practice areas on the record are self-reported; listings are in surname order, neutral, never ranked. The choice is always yours.
Energy Law · surnames O
| Attorney | Firm | City | Bar number | Admitted |
|---|---|---|---|---|
| Meghan L. O'Brien | Van Ness Feldman LLP | Lafayette | #321900 | 2018 |
| Susan M. O'Brien | Braun Blaising & Wynne | Sacramento | #243553 | 2006 |
| Karleen M. O'Connor | Clean Energy Counsel | Orinda | #229531 | 2003 |
| Vanessa A. Oddone | Peroni, Sosa, Tellechea, Burt & Narvaja | Asunci�n | #318881 | 2017 |
| Eileen E. Odell | CPUC | San Francisco | #280398 | 2011 |
| Sarah M. O'Farrell | Covington & Burling LLP | San Francisco | #363982 | 2025 |
| Gwenneth A. O'Hara | Buchalter, A Professional Corporation | Sacramento | #206100 | 2000 |
| Rosanne J. O'Hara | California Public Utilities Commission | San Francisco | #300272 | 2014 |
| Michael A. Okaty | Foley & Lardner LLP | Orlando | #314668 | 2017 |
| Michael P. O. Okayo | Not recorded | Torrance | #249466 | 2007 |
| Afamefuna Okeke | Not recorded | Houston | #362507 | 2025 |
| Julie C. Okwara | CITGO Petroleum Corp | Houston | #195905 | 1998 |
| Donald Charles Oldaker | Clifford and Brown | Bakersfield | #166230 | 1993 |
| Shannon K. Oldenburg | Southern California Edison | Rosemead | #228023 | 2003 |
| Bradley H. Oliphant | Sempra | San Diego | #216468 | 2001 |
| Chad Oliver | California Energy Commission | Sacramento | #346599 | 2022 |
| Kirk Crozier Oliver | California Energy Commission | Sacramento | #107830 | 1983 |
| Nicolas R. Oliver | Western Resource Advocates | Reno | #313162 | 2016 |
| Nicholas R. Olmsted | Not recorded | Oakland | #262309 | 2009 |
| Matthew J. O'Malley | Not recorded | San Diego | #272802 | 2010 |
| Nathan D. O'Malley | Musick Peeler & Garrett LLP | Los Angeles | #212193 | 2001 |
| Eseigbe A. Omofoma | The Omofoma Law Firm | Los Angeles | #276799 | 2011 |
| Owen R. Onouye | Global Energy Law Group | Los Angeles | #174580 | 1994 |
| Aram Ordubegian | ArentFox Schiff LLP | Los Angeles | #185142 | 1996 |
| Jamie E. Ormond | Not recorded | San Francisco | #298838 | 2014 |
| Maria J. Oropeza | State Bar Of California | San Francisco | #182660 | 1996 |
| Janelle Orsi | Sustainable Economies Law Center | Oakland | #254897 | 2008 |
| Pablo Ortiz Mena M de O | Ammper Energia, S.A.P.I de C.V. | Mexico City 11000 | #366216 | 2025 |
| Frederick M. Ortlieb | Not recorded | La Jolla | #131751 | 1987 |
| Hari M. Osofsky | Northwestern Pritzker School of Law | Chicago | #205592 | 1999 |
| David A. Ossentjuk | Ossentjuk & Botti | Westlake Village | #130384 | 1987 |
| Donncha O Tuama | Prime Data Centers LLC | Denver | #333888 | 2021 |
| Peggy O. Otum | Wilmer Hale Cutler Pickering & Dorr | San Francisco | #302949 | 2015 |
| Donald G. Ousterhout | Vestas-American Wind Technology, Inc. | Portland | #186631 | 1996 |
| David R. Owen | UC Law San Francisco | San Francisco | #222314 | 2002 |
| Evan B. Oxhorn | Evan Oxhorn Attorney-At-Law, A.P.C. | Huntington Beach | #288865 | 2013 |
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