GLEICHER, TILLEY AND LEONARD (“GTL” or the “Firm”) was established in 1975 and is uniquely qualified to provide services to our clients. We are a full service public accounting firm offering complete accounting, auditing, tax and management advisory services to our clients. The professionals assigned to each engagement are committed to provide you superior quality professional services. Our Firm is dedicated to serve middle market clients where the engagement partner and staff hands-on approach is best suited, which allows us to know the business owners and their operations in detail so we can make meaningful suggestions.  Our Firm is comprised of the five partners, multiple professional and multiple administrative staff, all dedicated to provide superior service to our clients.  GTL, LLP is a member firm of CalCPA, AICPA and its Peer Review Program, as a member of the AICPA Private Companies Private Section (PCPS).   

Manny Gleicher, LLB, CPA, Partner (retired).  Originally from Upstate New York and has resided in Los Angeles since 1959. Manny uses his legal expertise with his accounting profession to the benefit of our clients.  He specializes in all facets of taxation related to business management and banking.  He is well known for taking a personal interest in his client’s welfare. manny@gtlcpa.com

William (Bill) F. Tilley, CPA, Partner.  Originally from St. Louis, Missouri and has resided in Los Angeles, since 1969. Bill is a Tax Partner and has advised domestic subsidiaries of foreign corporations from China, England and France on tax and accounting issues.  His experience in accounting includes HUD audits, food processing, middle market manufacturers, real estate, estate planning and family wealth transfers. bill@gtlcpa.com

J. Pearse Leonard, CPA, Partner.  Originally from Ireland and has resided in Los Angeles since 1962.  Pearse is a Tax Partner, with special emphasis in manufacturers, service and real estate industries. He is a graduate of California State University, Los Angeles, with a degree in Business Administration.  His previous professional experience includes being a Controller for a division of a publicly traded manufacturing company. pearse@gtlcpa.com

James T. Chang, CPA, Partner. Originally from Taiwan where he was employed by an international accounting firm in the foreign tax division.  He is a graduate of the University of Illinois, at Urbana-Champaign with a Master of Business Administration. James is a Tax Partner handling primarily domestic subsidiaries of foreign corporations.  His expertise also includes banking, financial and business planning and asset lending. james@gtlcpa.com 

Fabio L. Vasco, CPA, Partner. Originally from Colombia, South America and has resided in Los Angeles since 1980.  He is a graduate of the California State University, Los Angeles with a Bachelor of Science in Business Administration, with specialization in Accounting. Fabio is an Audit and Accounting Partner, with specialization in the healthcare industry, both for-profit and nonprofit entities. His expertise also includes foundations, nonprofit organization, cities and local governments, and service industry companies.  Fabio is also fluent in Spanish. flvasco@gtlcpa.com

Narine Sefilyan, CPA. Originally from Armenia but raised in Los Angeles since the age of four,  a graduate of California State University, Northridge with a Bachelor of Science in Accountancy.  Narine has been in the accounting industry since a senior in high school, where she has gained her diverse knowledge of accounting by working on clientele ranging from the sole proprietor to the multi-million dollar corporation. Narine has been with GTL since July 2000 and is also fluent in Armenian. narine@gtlcpa.com

Patti Squier, Enrolled Agent.  Born and raised in Southern California.  Patti has worked in all phases of the accounting industry along with the field of federal and state taxation.  Patti enjoys taking an interest in her clients.  Patti has been with GTL since 2008. patti@gtlcpa.com

We believe in the value of relationships. We view every client relationship like a partnership, and truly believe that our success is a result of your success.


We are committed to providing close, personal attention to our clients. We take pride in giving you the assurance that the personal assistance you receive comes from years of advanced training, technical experience and financial acumen. Our continual investment of time and resources in professional continuing education, state-of-the-art computer technology and extensive business relationships is indicative of our commitment to excellence.

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