Picture of Bruce P. Jeffer

Bruce Jeffer is one of Southern California's most prominent corporate attorneys. His practice emphasizes mergers and acquisitions, energy transactions and federal and state securities transactions, including all forms of tax-advantaged investments.

Bruce is experienced in representing oil and gas companies, financial institutions, entertainment companies, retailers, restaurants, nonprofits and all forms of partnerships and limited partnerships.

Recognized within the legal community for his effective leadership and business acumen, he is the founding member of the Firm and has served as JMBM's Managing Partner since the Firm's inception in 1981.

He has been profiled in the Daily Journal, Of Counsel, the Los Angeles Business Journal and other publications.


J.D., Harvard Law School, 1967

B.A., Yale University and University of California, Los Angeles, 1964
Phi Beta Kappa

Bar Admissions State Bar of California

Member, American Bar Association—Real Property, Probate and Trust Law Section

Los Angeles County Bar Association

Awards & Recognition
  • Founding Partner of Jeffer Mangels Butler & Mitchell LLP (1981), Managing Partner (1981-present)
  • Principal draftsman of national and state oil and gas rules
  • Recipient of the Los Angeles Business Journal's Excellence Award for Entrepreneurship (2006)