Clients who work with our firm regard the HBLA team of professionals as a strategic partner in achieving their goals.
Partners

DAVID B. LANG
Co-Managing Partner
Managing Partner/Director of Tax Services, has expertise in the areas of individual, corporate, partnership, and fiduciary taxation. He services clients in professional services, health care, real estate, engineering and construction, consulting, and a variety of other high-growth closely-held businesses.
Professional Affiliations
- American Institute of Certified Public Accountants – Tax Section
- California Society of Certified Public Accountants
- South Orange County Community College District, Trustee
- American Jewish Committee – Orange County Chapter, Past President & Board Member
- Treasurer, Jewish Community Foundation of Orange County
- Board of Directors, Orange Coast Estate Planning Council
Education
- BS, Accounting, Penn State University
- MBT, University of Southern California
(949) 833-2815
David@hbla.com

LARRY S. GESELOWITZ
CPA
Co-Managing Partner/Director of Audit Services, with more than 30 years of experience, Larry has worked extensively with privately owned business clients in a variety of industries. As Director of Audit and Accounting Services, he is responsible for monitoring all audit, review and compilation services performed by the firm.
Professional Affiliations
- American Institute of Certified Public Accountants
- California Society of Certified Public Accountants
- Former Vice Chair, Chief Financial Officer and Member of Board of Directors, Irvine Chamber of Commerce
Education
- BCom, Accounting, University of Witwatersrand, Johannesburg, South Africa
- Hons.B.Acc, University of South Africa, South Africa.
(949) 833-2815
larryg@hbla.com

PAUL A. CASTILLO
CPA
Audit Partner, has over thirteen years of experience in public accounting. He manages the daily operations of the Auditing and Accounting department, is responsible for training and mentoring of staff, and supervises audit, review and compilation assignments for HBLA’s clients in the manufacturing, service, not-for-profit, information technology, and other industries.
Professional Affiliations
- American Institute of Certified Public Accountants
- California Society of Certified Public Accountants
Education
- BA, Accounting, California State University, Sacramento
(949) 833-2815
paul@hbla.com

DOV LAZARUS
CPA
Audit Partner, Dov has expertise in the areas of audits, valuations, business appraisals, compilations, and reviews. His experience includes over 7 years with Price Waterhouse conducting audits for small to medium-sized businesses and large corporate clients, evaluating internal controls and accounting systems. Dov also successfully owned and operated a multi-million dollar business for 11 years before joining HBLA.
Professional Affiliations
- California Society of Certified Public Accountants
Education
- BCom, Accounting, University of Witwatersrand, Johannesburg, South Africa
- Hons.B.Acc, University of Witwatersrand, South Africa
(949) 833-2815
dov@hbla.com

JONATHAN P. SCHUBERT
Director of Tax Services
Tax Partner, Jon has over 16 years of experience in public accounting. He provides tax planning and compliance services for HBLA clients. He has extensive experience in consolidated multi-state corporations, high net worth individuals, family-owned businesses, and partnerships. Jon’s background includes providing services for clients in healthcare, real estate, construction, and manufacturing.
Professional Affiliations
- American Institute of Certified Public Accountants
- California Society of Certified Public Accountants
Education
- BS, Accounting, University of Southern California
- MST, Golden Gate University
(949) 833-2815
jonathan@hbla.com

VICTOR K. HAUSMANINGER
Founding Partner
Founding Partner, Vic immigrated with his parents to Orange County from Austria, and has spent his entire career as a certified public accountant, serving as Audit Partner with Deloitte & Touche. In 1985, he formed HBLA where he re-engineered his “big 4” experience and standards and offered accounting services to privately owned businesses and their owners at reasonable rates. Vic’s background includes extensive experience in professional service corporations, manufacturing, high technology, real estate, financial institutions, construction, and distribution.
Professional Affiliations
- American Institute of Certified Public Accountants
- California Society of Certified Public Accountants
- YMCA of Orange County, Director
- International Bible Society, Director
- Mihaylo College of Business, Cal State Fullerton, Executive Council
Education
- BS, Accounting, California State University, Fullerton businesses.
(949) 833-2815
vic@hbla.com

LARRY EVANS
Bookkeeping Manager
Bookkeeping Manager, has over 20 years of accounting experience in all aspects of accounting and tax returns, including owning his own bookkeeping and tax service before joining HBLA. His ability to closely analyze complex business transaction documents, and accurately administer accounting principles, has created positive results for our clients. Larry oversees the day-to-day operations of HBLA’s bookkeeping services.
Education
- BA, Accounting, California State University, Fullerton
- Quickbooks Pro Advisor
(949) 833-2815
larrye@hbla.com
“Your Business Is Evolving… Is Your Accountant?”
“Your Business Is Evolving… Is Your Accountant?”