Executive Team

Neil M. Leiman, President, CEO


Founded in 1981 by Neil Leiman, Leiman & Associates has been part of the San Diego community, serving residents from all over the county. We pride ourselves in staying well versed with all the updated tax regulations and tax laws.  With the praise of thousands of loyal clients, Leiman & Associates thrives only on positive client referrals and has successfully grown every year since it was founded.  Through continuing education and training, we offer you sound tax advice whether it be an individual return, small business tax advice, or incorporation services all year round.

  • California Tax Education Counsel (CTEC)/Tax Preparer

  • Small Business Incorporation Specialist

  • Previous Accounting Professor (30 years) at National University, San Diego

  • MBA in Finance, Fairleigh Dickinson University, 1976

  • BS in Accounting, Fairleigh Dickinson University, 1973

Amanda Bettencourt, Vice President, Tax Preparer


In 2006, Amanda joined her family tax practice to better accommodate the needs of an ever growing client base. With a background Counseling Psychology, Amanda has developed a specialized skill set to help her clients navigate through their financial stressors. She is California Tax Education Counsel (CTEC) compliant annually, and remains up-to-date on all tax laws and regulations.

  • California Tax Education Council (CTEC)/Tax Preparer
  • Small Business Incorporation Specialist

  • MS Counseling Psychology National University, 2006

  • BS Gerontology San Diego State University, 2004

Gail Leiman, Office Administrator, Accounts Receivable


In 2012, Gail joined Leiman & Associates as Office Manager after retiring from 20 years of teaching in California.  Her responsibility is to supervise and coordinate overall administrative functions as well as accounts receivables. She has excellent communication, organizational skills and leadership qualities.

  • Corporation Specialist

  • BA Monmouth University

  • MS National University

Martha Jones, Tax Preparer/Associate


Martha has been with Leiman & Associates for over 8 years. She has been California Tax Education Counsel (CTEC) compliant, since 2011.  She remains current on tax laws and regulations.

  • Bilingual English/Spanish

  • She is California Tax Education Counsel (CTEC) compliant/ Tax Preparer

  • BA in Business Administration

Cathy Gallegos, Corporate Document Coordinator

Cathy brings to Leiman and Associates 20 plus years of Accounting and Legal experience. She prides herself on attention to details and organization. Cathy was raised in Santa Barbara and worked for the County of Santa Barbara in their accounting department. Most recently she has worked as a paralegal for a prestigious law firm. Cathy submits the required Federal and State corporate filings and completes the corporate book, which includes Bylaws and Stock certificates. She also meets with newly incorporated clients to review the change in tax entity and to answer questions.

Santiago Simental, Account Specialist


Santiago joined Leiman & Associates in April 2018 after finishing college at Chico State. He completed his Business Administration degree in Finance. He is responsible for building strong relationships with our clients and managing Neil's accounts.

       Bilingual English/Spanish

       California Tax Education Counsel (CTEC)/Tax Preparer

       Bachelor's Degree Finance Chico State 2016