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Main Office

  • 11150 W. Olympic Boulevard
  • Suite 1000
  • Los Angeles, CA 90064
  • Main Number: (310) 943-8080
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Jim Caskey, CPA

Partner

James Caskey has over 30 years experience in public and private accounting including financial management and consulting services, tax preparation and compliance services, and business management services primarily to the entertainment industry. His clients are involved in both wholesale and retail industries, real estate, entertainment and various medical related businesses. He is a Certified Public Accountant and a member of the AICPA and the California Society of CPAs.

Steve Grover, CPA

Partner

Warren Mandell, CPA

Partner

Warren Mandell is one of the founding partners of Caskey, Mandell, Karp & Block, LLP with over 25 years experience in public and private accounting. He has a wide range of accounting, tax and business management experience which enables him to provide relevant and timely advice to businesses owners and individuals. He specializes in the fields of entertainment, real estate, medical and private industry.

His experience has equipped him to deal effectively on behalf of his clients on issues related to tax planning, tax preparation, compliance and consulting services. Warren is a Certified Public Accountant who is a member of the American Institute of Certified Public Accountant and the California Society of CPAs.

David Stern, CPA

Partner

David is the co-managing partner of Caskey Mandell Karp & Block, LLP and has worked in public accounting for over 35 years.  He is a licensed certified public accountant in California

He provides various accounting, tax and business advisory services to closely-held businesses with a specialty in the fields of entertainment, medical, real estate and legal services. 

David received his Bachelors of Science degree with an emphasis in accounting from the California State University at Northridge.  During college he worked at Famous Amos Cookies in every accounting department.  After graduation, he worked for a large local CPA firm for a couple of years.  After receiving his CPA, he took off a year and traveled.  After his return, he worked for two other large local CPA firms before venturing off on his own in 1992.  He was then a partner in Wind & Stern, LLP for 5 years then was affiliated with Caskey, Mandell, Karp and Block, LLP before becoming a partner in January, 2018.

David has been published in various newspapers and he has been voted the “Best Accountant on the Westside” by The Argonaut newspaper.

David is a member of the American Institute of Certified Public Accountants (AICPA) CPA and the California Society of CPAS.

Bob Johnson, CPA

Bob joined our Firm as our resident tax-guru in January 2018 after having been the director of the tax department of a dual state (California and Nevada) CPA Firm from 1986 through 2017.  Previously, Bob had been with Arthur Andersen & Co., where he began his career, and Kenneth Leventhal & Co. (which later merged into Ernst & Young).  Bob holds a Masters in Business Taxation from the University of Southern California and has spent the better part of forty–five years in public accounting, primarily in the partnership arena and C & S Corporation taxation.  Bob also has extensive experience in personal income taxation.  Bob stands on two principles: (1) constructive and creative tax planning, and (2) timely filing of income tax returns.  Bob’s tax planning includes the traditional interim and year-end tax planning for individuals, corporations, partnerships, and trusts and their respective shareholders, partners or beneficiaries as well as estate planning.

Cheryl Stern, CPA, EA

Senior Tax Manager

Cheryl got her start in taxes when her employer saw her potential and sent her to H&R Block tax school.  Since that time, she became an Enrolled Agent, qualified to practice before the IRS, got her Bachelor’s and Master’s degree and became a CPA.  Hard work, perseverance and a passion for helping her clients are some of the traits that have helped Cheryl to become a sought-after CPA.

Cheryl joined CMKB in January 2018, and continues to serve her ever-growing client list.

In her spare time, Cheryl likes to spend time with her family and travel.

Meghna Sampat, CPA, EA

Senior Tax Supervisor

Meghna Sampat is a Senior Tax Supervisor with CMKB LLP. She is a licensed Certified Public Accountant with the State of California, Enrolled Agent with Internal Revenue Service, a Chartered Accountant from India and has a master’s degree in Accounting and Economics from India.

Meghna has been a part of CMKB LLP. since May 2020. She’s in charge of preparation and review of financial statements, federal & multi-state tax returns for corporate and non-corporate clients. Her experience in public accounting for over 8 years has developed her expertise and insight in areas of income tax compliance for state and federal, tax planning, preparation, audits, and consulting services for individuals/companies. 

Prior to joining CMKB, LLP., she was working as a Senior Tax Consultant with a private firm in Santa Monica, California for 6 years. She also has experience in the fields of statutory audits, corporate compliance, and strategic planning from her work stints in India with Deloitte and Johnson & Johnson as a Chartered Accountant.

She lives in Redondo Beach with her husband and their 6-year-old daughter and enjoys travelling & cooking in her free time.

Caelum Magee

A Southern California native of Pasadena, Caelum Magee graduated from Bucknell University in 2018 with a Bachelor of Science in Accounting & Financial Management (ACFM) with a focus on accounting. Immediately after graduation, Caelum began working at CMKB LLP. Over the course of his four years since joining the firm, his roles and responsibilities have quickly expanded. He is proficient in accounting, business and individual tax return preparation, as well as client facing communication. Caelum excels in absorbing and retaining new information quickly and is always available to assist a team or staff member in need.

He is a qualified CPA candidate and hopes to have his CPA license in the near future.  

Outside of the office, Caelum enjoys spending his free time gaming, traveling, and spending time with his pet corgi, Comet.

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