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Munger, Tolles & Olson
California law firm
California law firm
| Field | Value | ||||
|---|---|---|---|---|---|
| firm_name | Munger, Tolles & Olson LLP | ||||
| firm_logo | MTO.gif | ||||
| headquarters | California Plaza | ||||
| Los Angeles, California | |||||
| num_offices | 3 | ||||
| num_attorneys | 200 (2023) | ||||
| practice_areas | Litigation, Appeals, White Collar and Investigations, Antitrust, Securities, Corporate, Tax, Real Estate, Bankruptcy, Labor and Employment, Environmental | ||||
| key_people | Brad Brian, Chair | ||||
| Hailyn J. Chen, Co-Managing Partner | |||||
| Malcolm A. Heinicke, Co-Managing Partner | |||||
| revenue | $306.8 million (2023) {{cite web | url=https://www.law.com/law-firm-profile/?id=218&name=Munger-Tolles-%26-Olson-LLP | title=Munger Tolles & Olson | ||
| first | last= | publisher= | website=ALM Law.com | date=}} | |
| profit_per_equity_partner | $2.2 million (2023) | ||||
| date_founded | February 1, 1962 | ||||
| founder | Charlie Munger, Roy Tolles, Carla and Rod Hills, Dick Esbenshade, Fred Warder Jr. | ||||
| company_type | Limited liability partnership | ||||
| homepage | https://www.mto.com |
Los Angeles, California Hailyn J. Chen, Co-Managing Partner Malcolm A. Heinicke, Co-Managing Partner Munger, Tolles, & Olson LLP (MTO) is an American law firm founded in 1962 with offices in Los Angeles, San Francisco, and Washington D.C. The firm is known for handling litigation and corporate matters across multiple industries, including entertainment, technology, energy, healthcare, and financial services.
As of 2024, MTO employed approximately 200 attorneys across its three offices. It is considered one of the most prestigious and selective law firms in the US.{{Cite web |title=2025 Most Selective Law Firms
History
Munger, Tolles & Hills was established in Downtown Los Angeles' Tishman Building on February 1, 1962. The firm was founded by three former partners from Musick, Peeler & Garrett: Charlie Munger, E. Leroy Tolles, and Roderick M. Hills.
The founding group included two additional Musick attorneys, Richard Esbenshade and Frederick B. Warder Jr. as well as Carla Anderson Hills, who was serving as an assistant U.S. attorney at the time and was married to Roderick Hills. James T. Wood, a sole practitioner with connections to the Hills family, also joined the founding team.
In 1965, Charles Munger departed the firm to focus on investment management, forming a partnership with Warren Buffett and later becoming vice chairman of Berkshire Hathaway, which remained a client of the firm. The addition of Charles E. Rickershauser Jr., a former clerk to Supreme Court Justice William O. Douglas, strengthened the firm's corporate practice and led to its renaming as Munger, Tolles, Hills & Rickershauser. Ronald Olson joined as an associate in 1968 and was elevated to partner in 1970.
MTO expanded and opened an office in San Francisco in 1991. In 2016, the firm employed former Solicitor General of the United States Donald B. Verrilli Jr. to establish its Washington, D.C. office.
In 2019, the MTO underwent a leadership transition, appointing Malcolm Heinicke and Hailyn Chen as co-managing partners, succeeding Brad Brian and Sandra Seville-Jones. Brian was named as firm chair. At the time of her election, Chen was only the second Asian woman to assume a leadership position at a major law firm.
Legal practice
MTO has represented various clients in litigation and corporate transactions. The firm's client portfolio includes major corporations across various sectors, such as technology (Google, Intel), entertainment (The Walt Disney Company), financial services (Bank of America, Fortress Investment Group), transportation (BNSF Railway), utilities (Pacific Gas & Electric), and conglomerates (Berkshire Hathaway).
Industry ranking
MTO has appeared on The American Lawyer's A-List rankings multiple times between 2008 and 2024. The A-List evaluates U.S. law firms based on several metrics: revenue per lawyer, pro bono work, associate satisfaction, racial diversity, and gender diversity in equity partnerships. The firm ranked first in the publication for 2008, 2009, 2010, 2013, 2017, 2019, 2020, 2022, 2023 and 2024.
Lawyers

Attorneys
- Ginger Anders, a former Deputy U.S. Assistant Attorney General.
- Ronald Olson, a director of Berkshire Hathaway.
- Donald B. Verrilli Jr., former U.S. Solicitor General.
Alumni
-
Nancy Bekavac, the first female president of Scripps College.
-
Alan Bersin, former United States Attorney for the Southern District of California.
-
Jeffrey L. Bleich, former Special Counsel to President Barack Obama and United States Ambassador to Australia.
-
Daniel A. Bress, Judge on the U.S. Court of Appeals for the Ninth Circuit.
-
Daniel J. Calabretta, Judge on the U.S. District Court for the Eastern District of California.
-
Daniel P. Collins, Judge on the United States Court of Appeals for the Ninth Circuit.
-
Robert Denham, former CEO of Salomon Brothers and current chairman of the MacArthur Foundation.
-
E. Martin Estrada, United States Attorney for the Central District of California.
-
John Frank, Vice Chairman of Oaktree.
-
Michelle Friedland, Judge on the United States Court of Appeals for the Ninth Circuit.
-
Joshua P. Groban, Associate Justice on the California Supreme Court.
-
Carla Anderson Hills, former U.S. Trade Representative and former Secretary of Health and Human Services.
-
Roderick Hills, former White House Counsel and Chairman of the U.S. Securities and Exchange Commission (SEC).
-
Diane M. Johnsen, Judge on the Arizona Court of Appeals, Division One.
-
Leondra Kruger, Justice of the California Supreme Court.
-
Carolyn Kuhl, judge on the Superior Court of California for the County of Los Angeles and former Deputy Solicitor General at the Department of Justice.
-
Ted Lieu, Congressman representing the 36th District of California.
-
Felicia Marcus, Chairman of California State Water Resources Control Board.
-
Vilma Socorro Martínez, United States Ambassador to Argentina and past president of the Mexican American Legal Defense and Educational Fund (MALDEF).
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Charles Munger, vice chairman of Berkshire Hathaway.
-
Sarala Nagala, former Judge on the U.S. District Court for the District of Connecticut.
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John B. Owens, Judge on the United States Court of Appeals for the Ninth Circuit.
-
Gabriel P. Sanchez, Judge on the U.S. Court of Appeals for the Ninth Circuit.
-
Usha Vance, Second Lady of the United States.
-
Paul J. Watford, Judge on the United States Court of Appeals for the Ninth Circuit.
-
Brett Kavanaugh, Associate Justice of the Supreme Court of the United States (1990).
References
References
- (16 May 2022). "How to Be a Firm that Businesses Call When Billions are at Stake".
- (2014-07-22). "California Powerhouse: Munger Tolles & Olson". Lae360.
- "Munger, Tolles & Olson LLP".
- Andrew, McIntyre. (December 4, 2012). "How Munger Tolles defied the rules and built a national law firm".
- (March 1, 2007). "Transcript of Interview with Carla Anderson Hills".
- (July 2012). "The American Lawyer".
- Arnold, Laurence. (2014-10-30). "Roderick M. Hills dies at 83; head of the SEC under President Ford". Los Angeles Times.
- (2008-02-01). "Co-founder of Los Angeles law firm". Los Angeles Times.
- (2011-05-06). "Munger Tolles's Ron Olson and Berkshire: The Question of Lawyers Serving on Client Boards". AM Law Daily.
- (1995-09-05). "HENNIGAN VS. OLSON : Court Rivals : 2 Lawyers Will Slug It Out in O.C. Bankruptcy Debacle : Ronald L. Olson: Investment Giant Is Latest of His High-Profile Clients". Los Angeles Times.
- (2016-09-28). "Obama's former Supreme Court lawyer, Donald Verrilli, joins L.A. law firm". Los Angeles Times.
- (2016-09-28). "California Law Firm Hires Former Solicitor General for Washington, D.C., Office". Wall Street Journal.
- (2019-03-06). "Munger Tolles Elects New Managing Partners; Brad Brian Named Chair". American Lawyer.
- (2019-05-10). "News Flash: Asian American Woman Is New Leader at Elite Law Firm". American Lawyer.
- "The 2024 A-List: Top 20 Firms".
- Chang, Andrea. (2008-07-08). "L.A. law firm judged No. 1". Los Angeles Times.
- "THE AM LAW 100: Munger Revenue and Profits Flat".
- Jones, Ashby. (2009-06-30). "Munger Tolles Tops AmLaw's A-List, Once Again". The Wall Street Journal.
- Jones, Ashby. (2010-07-01). "Deja Vu All Over Again: Munger Tolles Again Tops the 'A-List'". The Wall Street Journal.
- "The 2013 A-List: The Complete Report".
- "The 2017 A-List".
- Zaretsky, Staci. (2019-07-24). "The Am Law A-List: Ranking The Most Elite Law Firms In America (2019) - Above the Law".
- "The 2020 A-List: Amid Upheaval, Firms Focus on Finding Balance".
- "The 2022 A-List: Top 20 Firms". The American Lawyer.
- "How the 2023 A-List Firms Manage to Holistic Success".
- (2017-03-08). "Munger Tolles adds former US deputy assistant attorney general". World Preview.
- "Commission Members | Ronald L. Olson".
- Olson, Elizabeth. (2016-09-28). "Donald Verrilli, Former Solicitor General, to Join Law Firm". The New York Times.
- (2020-04-21). "Cruise hires PG&E board chairman Jeff Bleich as chief legal officer". Techcrunch.
- (2019-07-09). "CUA Law Adjunct Professor Daniel Bress Confirmed to Serve as Circuit Judge on the U.S. Court of Appeals for the Ninth Circuit". Law.edu.
- (2023-02-24). "First openly Gay judge for U.S. Eastern District of California receives U.S. Senate confirmation". Elk Grove News.
- (1992-06-03). "Salomon Inc. names new CEO to head up securities house". Chicago Tribune.
- "John Frank".
- (2022-10-25). "California Supreme Court". LAist.
- (2022-03-03). "Arizona appeals judge joins Phoenix law office". Phoenix Business Journal.
- (25 November 2014). "Leondra R. Kruger appointed by Gov. Jerry Brown to state Supreme Court".
- (2010-06-03). "Assemblyman Ted Lieu confident in Attorney General run". Easy Reader & Peninsula.
- Fritsch, Jane. (September 2, 1990). "Felicia Marcus : Fighting for the Environment From Inside the Establishment". Los Angeles Times.
- [http://www.laobserved.com/archive/2009/05/vilma_martinez_to_argenti.php ''LA Observed'']
- (15 June 2021). "President Biden Announces Fourth Slate of Judicial Nominations".
- (8 September 2021). "President Biden Names Seventh Round of Judicial Nominees".
- Schonfeld, Zach. (July 15, 2024). "JD Vance's wife leaving law firm". [[The Hill (newspaper).
- (July 17, 2018). "Brett M. Kavanaugh: Selected Primary Material".
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